October Races in the West
Morgan Hill, CA
Rancho Hills Trail Run
Oct 5, 2024
Carlsbad, CA
Super Hero Obstacle Race
Oct 6, 2024
Murray, UT
ZERO Prostate Cancer Run/Walk
Oct 19, 2024
Evergreen, CO
EAPL Zombie Run 5K
Oct 29, 2023
Auburn, WA
Baby Steps 5K
Oct 15, 2023
Cool, CA
Heart of Cool
Oct 20, 2024
Newport Beach, CA
Run4Sharks and Ocean Health Fair 5K
Oct 12, 2024
Pasco, WA
Dia de los Muertos Run
Oct 28, 2023
Kodiak, AK
KMXT Run the Rock
Oct 14, 2023
Redmond, WA
Perrigo parkrun
Jun 8, 2024
Jun 15, 2024
Jun 22, 2024
Jun 29, 2024
48 more
Where's Bigfoot 5K
Oct 20, 2024
Captain Jack's Treasure Run
Oct 27, 2024
Portland, OR
Stumptown XC Series
Nov 18, 2023 - Pier Park
Sep 30, 2023 - Lents Park
Nov 4, 2023 - Strawberry Island
Oct 14, 2023 - Mary S Young Park
Portland - FoDU 5K for Hope
Oct 7, 2023
Mt. Tabor Tar n Trail
Oct 29, 2023
Rock Creek Trail parkrun
Aug 24, 2024
Aug 31, 2024
Sep 7, 2024
Sep 14, 2024
48 more
Portland Trail Series - Fall
Sep 4, 2024
Sep 18, 2024
Oct 2, 2024
Oct 16, 2024
1 more
Oregon Brewery Running Series
Oct 5, 2024
Portland Marathon
Oct 6, 2024
Oregon Brewery Running Series
Oct 26, 2024
Great Falls, MT
Race Montana Pumpkin Run
Oct 28, 2023
Leavenworth, WA
Leavenworth Marathon
Oct 5, 2024
Longmont, CO
Paws in the Park
Oct 7, 2023
Fairbanks, AK
HooDoo Half Marathon
Oct 5, 2024
It Ain't Easy Hill Run
Oct 5, 2024
Full Moon Run
Oct 17, 2024
Nov 15, 2024
Dec 15, 2024
Halloween Family Run
Oct 26, 2024
Provo, UT
Don't Ghost the Girls 5K for Breast Cancer Awareness
Oct 14, 2023
BYU Homecoming Cougar Run
Oct 21, 2023
Near Death Race
Oct 12, 2024
Runtastic Haunted - Provo
Oct 26, 2024
Runtastic Haunted - Provo Canyon
Oct 26, 2024
Wenatchee, WA
Monster Dash 5K and Little Goblin 1 Mile
Oct 28, 2023
Big Sur, CA
Big Sur River Run
Oct 26, 2024
Farmington, UT
Howloween Half Marathon
Oct 26, 2024
Glenwood Springs, CO
Halloween Hustle for Charity 5K
Oct 28, 2023
Chula Vista, CA
Côta Vera 5K Family Fun Run
Oct 14, 2023
Bubble Run
Oct 12, 2024
Sacramento, CA
Dirty Kid Obstacle Race
Oct 14, 2023
My Sister's House Run for a Safe Haven 5K
Oct 28, 2023
Urban Cow Half Marathon
Oct 6, 2024
Oct 5, 2024
Ironman California
Oct 27, 2024
Kirkland, WA
Lake Washington Half Marathon
Oct 19, 2024
Fall Freakin Fun Run (Marathon, Half Marathon & 50K)
Oct 26, 2024
Big Bear Lake, CA
Kodiak Ultra Marathons
Oct 11, 2024
Oct 12, 2024
Eugene, OR
On Track For Success
Oct 14, 2023
Oregon Track Club Running Series - #8
Oct 10, 2024
Run With The Duck
Oct 18, 2024
Run for Your Life 5K
Oct 20, 2024
Chino Hills, CA
St Paul the Apostle Harvest Run
Oct 28, 2023
Medford, OR
Rogue Marathon
Oct 12, 2024
Bainbridge Island, WA
Fort Ward parkrun
Feb 1, 2025
Feb 8, 2025
Feb 15, 2025
Feb 22, 2025
48 more
Port Townsend, WA
Larry Scott Run
Oct 14, 2023
Cedar City, UT
Erik Gray Challenge
Oct 14, 2023
Anchorage, AK
Hit the Trails Family Fun Run
Oct 7, 2023
Tuesday Night Race Series
Sep 10, 2024
Sep 24, 2024
Sep 17, 2024
Oct 1, 2024
3 more
Girdwood Marathon
Oct 5, 2024
Zombie Half Marathon
Oct 12, 2024
Frightening 4K
Oct 26, 2024
Hamilton, MT
Montana Brewery Running Series
Oct 5, 2024
Tiburon, CA
Run 4 Reed Schools
Oct 11, 2023
Temecula, CA
Haunted Hustle 5K
Oct 21, 2023
Clarkston, WA
Lewis and Clark Half Marathon
Oct 14, 2023
Bend, OR
Anabelle's Angel Glow Run
Oct 6, 2023
Timberjack Ultramarathon
Oct 14, 2023
Bigfoot 10K
Oct 6, 2024
San Bernardino, CA
Alpha Delta Pi Spooky 5K
Oct 28, 2023
Kaneohe, HI
Trick or Trot 5K
Oct 25, 2024
Agoura Hills, CA
No Name 5030 Trail Races
Oct 19, 2024
Honolulu, HI
Hybrid Design 25K
Oct 1, 2023
Tantalus 10 Mile Challenge
Oct 8, 2023
Honolulu FrontRunners/FrontWalkers Pride Run/Walk 5K
Oct 14, 2023
Boca Hawaii 30K
Oct 22, 2023
Race for Rescue
Oct 28, 2023
Fountain Valley, CA
Halloween Havoc Half Marathon
Oct 26, 2024
Denver, CO
Dare Great Things Cross Country Challenge
Oct 7, 2023
Grace Race 5K
Oct 7, 2023
Miles for Moms
Oct 7, 2023
UpStander 5K
Oct 7, 2023
The Odyssey Odyssey
Oct 22, 2023
DU Crimson Classic 5K
Oct 27, 2023
Hell Week Fitness 5K by Orangetheory Colorado
Oct 28, 2023
Hot Chocolate 15K/5K
Oct 6, 2024
Michael J. Fox Foundation Run
Oct 6, 2024
bRUNch Run
Oct 13, 2024
Liberty Energy 5K
Oct 19, 2024
Colorado Brewery Running Series
Oct 26, 2024
MonsterDash Run
Oct 26, 2024
Ghosts and Goblins 5K/10K
Oct 27, 2024
Boulder City, NV
Las Vegas Tri 5K and 10K
Oct 5, 2024
Pumpkinman 10K/5K
Oct 26, 2024
Pumpkinman Triathlon
Oct 26, 2024
Fresno, CA
Nightmare Run 5K
Oct 29, 2023
Frida Fun Run
Oct 5, 2024
Fresno Donut Run
Oct 20, 2024
Monster Mash Dash Halloween Run
Oct 26, 2024
Moorpark, CA
Moorpark Mammoth Run
Oct 8, 2023
Culver City, CA
5K Run / Walk to End Shoelessness
Oct 14, 2023
Huntington Beach, CA
Fit Fall Halloween Harvest 10K/5K
Oct 20, 2024
Crested Butte, CO
Camp 4 Coffee Cart to Cart
Oct 5, 2024
Camp 4 Coffee Cart to Cart Trail Race
Oct 5, 2024
Washougal, WA
Scary Run
Oct 27, 2024
Capitola, CA
Mermaid Triathlon & Duathlon Capitola
Oct 5, 2024
Riverbank, CA
Run for the Cheese
Oct 12, 2024
Berkeley, CA
Bearathlon
Oct 27, 2024
Incline Village, NV
Tahoe Flume Trail Fall Classic
Oct 7, 2023
Mukilteo, WA
Lungbuster 5K
Oct 6, 2024
Riverside, CA
Mission Inn Run
Oct 20, 2024
Colorado Springs, CO
Pikes Peak Road Runners Kids Fall Series
Oct 1, 2023
Oct 15, 2023
Oct 29, 2023
Nov 12, 2023
Cerus Arena
Oct 7, 2023
Trek the Trail 5K
Oct 21, 2023
Nielson Two Mile Challenge
Mar 1, 2025
Apr 6, 2024
May 4, 2024
Jun 1, 2024
8 more
Pikes Peak Road Runners Fall Series
Oct 20, 2024
Oct 6, 2024
Nov 17, 2024
Nov 3, 2024
Spooky Sprint - Colorado Springs
Oct 6, 2024
Bobcat Trail Race
Oct 19, 2024
San Jose, CA
Dia de los Muertos Run
Oct 28, 2023
Rock 'n' Roll San Jose
Oct 6, 2024
Oct 5, 2024
Mt. Umunhum Trail Conquest
Oct 12, 2024
Omar's Dream Run
Oct 20, 2024
ZombieRunner Halloween
Oct 26, 2024
Olympia, WA
Club Oly Fall Frolic
Oct 1, 2023
Bodie's Light 5K
Oct 15, 2023
Haunted 5K, 10K, and Half Marathon
Oct 28, 2023
Ninja 1M, 5K, 10K, 15K, and Half Marathon
Oct 12, 2024
Salt Lake City, UT
9/11 Heroes Run
Oct 7, 2023
Wahsatch Steeplechase
Oct 7, 2023
Nurses are Superheroes! 1K/5K
Oct 14, 2023
Rising Up Together 5K
Oct 12, 2024
Runtastic Haunted - Salt Lake City
Oct 19, 2024
ZERO Prostate Cancer Run/Walk
Oct 19, 2024
Rexburg, ID
Speedy Spud 5K
Oct 12, 2024
Moscow, ID
Moscow Mountain Madness
Oct 8, 2023
Burlington, WA
Skagit Flats Marathon
Oct 1, 2023
Madera, CA
Make A Difference 5K
Oct 7, 2023
Aurora, CO
RMRR Trophy Series - October
Oct 6, 2024
Colorado Brewery Running Series
Oct 12, 2024
Expo Park XC
Oct 13, 2024
Bakersfield, CA
Running with the Angels
Oct 7, 2023
Liberty Cross Country Carnival
Oct 13, 2023
CASA of Kern County Superhero Run
Oct 28, 2023
Judgment Day Half Marathon
Oct 6, 2024
Lake Evans Triathlon
Oct 13, 2024
Bakersfield Monster Mash Dash
Oct 27, 2024
North Ogden, UT
HJP Downhill Mile
Oct 26, 2024
Durango, CO
Durango Fall Classic
Oct 7, 2023
Idaho Springs, CO
Halloween Fun Run
Oct 28, 2023
Pleasanton, CA
Halloween Spirit Run
Oct 22, 2023
Kihei, HI
Stomp Out Hunger 5K
Oct 28, 2023
South Lake Tahoe, CA
Lake Tahoe Marathon Weekend
Oct 20, 2024
Oct 18, 2024
Oct 19, 2024
Philomath, OR
Lilly's Lope for Hope
Oct 21, 2023
Benton City, WA
Quad Killer VK
Oct 7, 2024
Kiona Haunted Wine Run 5K
Oct 20, 2024
Forest Grove, OR
Viking Family and Friends Mile
Oct 18, 2023
Ellensburg, WA
Run for the Brave 5K
Oct 1, 2023
Tualatin, OR
Regatta Run
Oct 20, 2024
Richland, WA
Meals on Wheels Oktoberfeast
Oct 7, 2023
The Fast and The Furriest
Oct 7, 2023
Chamna Chase
Oct 21, 2023
MCCM Monster Mash 5K and Creature Crawl 1K
Oct 28, 2023
Tri-Cities Marathon
Oct 29, 2023
Bethlehem Fall Fest
Oct 12, 2024
Chico, CA
Fleet Feet Fall Classic
Oct 22, 2023
Grand Junction, CO
FAMpoint5K
Oct 7, 2023
Howl-o-ween 5K & 2K Fun Run and Dog Walk
Oct 30, 2023
Woodland Park, CO
Above the Clouds Ultra
Oct 5, 2024
Seattle, WA
Emerald City Open
Oct 7, 2023
Dawg Dash
Oct 8, 2023
SpiritWalk & Warrior Run
Oct 14, 2023
Salty Half
Oct 21, 2023
Washington Recovery Alliance s Hearts and Minds 5K
Oct 21, 2023
Self-Transcendence 2 Mile Races
Aug 3, 2024
Sep 7, 2024
Oct 5, 2024
Nov 9, 2024
8 more
Miles for Melanoma
Oct 5, 2024
Dick's-A-Thon
Oct 19, 2024
I Can and I Will Run
Oct 20, 2024
West Seattle Monster Dash 5K
Oct 26, 2024
Run Scared
Oct 27, 2024
Trick or Treat 5K
Oct 27, 2024
Syracuse, UT
Antelope Island Marathon
Oct 11, 2024
Santa Monica, CA
Hallo-Thanks-Mas Half Marathon
Oct 19, 2024
310K
Oct 20, 2024
BT5K - Los Angeles
Oct 26, 2024
Santa Clara, CA
Mission College Monster Dash and Bash
Oct 28, 2023
Pacifica, CA
Pacifica Find-Your-Way 5K, 10K
Oct 14, 2023
San Mateo, CA
Miles for Myeloma 5K
Oct 22, 2023
Henderson, NV
Ghosts and Ghouls 5K
Oct 21, 2023
Zombie Run 5K
Oct 19, 2024
Walnut Creek, CA
Diablo Summit Stomp
Oct 19, 2024
Whittier, CA
Whittier Spooktacular 5K
Oct 28, 2023
Steamboat Springs, CO
Foundry Halloween 5K
Oct 26, 2024
Centennial, CO
Hoofin' It Through the Hollows 5K
Oct 21, 2023
Buena Vista, CO
Hallowiener 5K
Oct 26, 2024
Westminster, CO
Hyland Hills Hockey Jag Jog 5K
Oct 6, 2023
Big Waves Family 5K
Oct 5, 2024
Not So Flatt Breast Cancer Awareness Run/Walk
Oct 5, 2024
Spooky Sprint - Denver
Oct 5, 2024
Westy Half & 5K
Oct 13, 2024
Red Lodge, MT
Back Roads Half and 10K
Oct 6, 2024
Santa Clarita, CA
Jeepers Creepers Run
Oct 13, 2024
Finish the Run
Oct 27, 2024
Tacoma, WA
Defiance 50K
Oct 12, 2024
Fall Classic
Oct 12, 2024
Wicked Fast 5K Halloween Run
Oct 26, 2024
McMinnville, OR
McMinnville Education Foundation Runtoberfest
Oct 7, 2023
Coeur d'Alene, ID
Run for the Angels
Oct 8, 2023
Halloween Hustle Half Marathon, and 5K
Oct 27, 2024
Weott, CA
Humboldt Redwoods Marathon
Oct 13, 2024
Ashland, OR
The Tempest Endurance Race
Oct 7, 2023
Ashland Monster Dash Run for Education
Oct 28, 2023
Los Angeles, CA
Griffith Park Trail Run
Oct 1, 2023
Kickin Cancer 5K
Oct 22, 2023
L.A. Cancer Challenge
Oct 22, 2023
SRLA Strength 10K/5K
Oct 22, 2023
Mission Foot Pursuit
Oct 29, 2023
Justice Jog
Oct 5, 2024
Miles for Melanoma
Oct 6, 2024
Race to Cure Sarcoma
Oct 12, 2024
Cal Tri LA
Oct 20, 2024
Hidden World 5K/10K
Oct 27, 2024
Manitou Springs, CO
Mustang 5K
Oct 5, 2024
Erie, CO
Eerie Erie
Oct 28, 2023
Hilo, HI
Hawaiian Ohana Run
Oct 21, 2023
Pomona, CA
Pomona 5K/10K
Oct 21, 2023
Castle Rock, CO
Castle Rock Trail Festival
Oct 5, 2024
Davis, CA
Andie's Aggieathlon
Oct 8, 2023
Bozeman, MT
Bobcat Trail Challenge
Oct 1, 2023
5K Brew Run at Bunkhouse
Oct 11, 2023
Run for Your Life Halloween 5K & Kid's Run
Oct 28, 2023
Roseville, CA
Vampire Run - Unite for Bleeding Disorders
Oct 8, 2023
Yakima, WA
Haunted 5K, 10K, and Half Marathon
Oct 7, 2023
Pirate 1M, 5K, 10K, 15K, & Half Marathon
Oct 5, 2024
Warrior Women Run 5K
Oct 26, 2024
Loveland, CO
Brakes on Breast Cancer 5K
Oct 22, 2023
Long View Marathon
Oct 12, 2024
Narrowleaf Lake Run
Oct 27, 2024
Gresham, OR
Hit the Barlow Trail 5K
Oct 6, 2024
Napa, CA
Napa Half Marathon
Oct 6, 2024
Spokane, WA
United We Rescue Bloopers and Blunders Challenge Course
Oct 14, 2023
Socktoberdash
Oct 21, 2023
Monster Dash 5K
Oct 29, 2023
Spokane Marathon
Oct 13, 2024
Wild Moose Chase
Oct 13, 2024
Sekani Trail Run
Oct 20, 2024
Boise, ID
SueB 5K and 3K SueB Stroll for Every-Body
Oct 1, 2023
Harrison Classic Kids Run
Oct 8, 2023
Run For The Kids
Oct 21, 2023
YMCA Halloween Run
Oct 28, 2023
City of Trees Marathon
Oct 12, 2024
Casper, WY
Half Town Half
Oct 28, 2023
Lehi, UT
Scarecrow 5K
Oct 21, 2023
Astoria, OR
Great Columbia Crossing 10K
Oct 13, 2024
Snohomish, WA
Snohomish River Run
Oct 13, 2024
Nampa, ID
Try-a-Tri Indoor Mini
Oct 14, 2023
Corona, CA
Step Up For Safety 5K Run/Walk
Oct 14, 2023
San Francisco, CA
Lands End 5K
Oct 1, 2023
Presidio Wall 5K
Oct 22, 2023
Fog City Run
Jan 15, 2025
Jan 22, 2025
Jan 29, 2025
Feb 5, 2025
47 more
HDSA Team Hope 5K Fun Run
Oct 5, 2024
Ruth Anderson Memorial Endurance Run
Oct 12, 2024
BIG STEPS for Little Friends 5K
Oct 13, 2024
City Beer Runs - Standard Deviant Brewing
Oct 13, 2024
Head for the Cure 5K
Oct 18, 2024
Golden Gate Bridge Run, Walk, Ride to End Polio
Oct 19, 2024
Pinkathon Challenge for Breast Cancer
Oct 19, 2024
Miles for Migraine
Oct 26, 2024
Alameda, CA
Alameda Island Aquathlon
Oct 7, 2023
Alameda Pride Fun Run
Oct 14, 2023
Donut Fun Run
Oct 19, 2024
Paso Robles, CA
Paso Robles Wine Country Runs Half Marathon & 10K
Oct 29, 2023
Stockton, CA
Tiger Dash 5K/Kids Cub Fun Run
Oct 14, 2023
Longview, WA
Harvest Classic
Oct 5, 2024
Las Vegas, NV
Step Up Step Out 5K
Oct 22, 2023
Las Vegas Kids Triathlon
Oct 27, 2023
Halloween 5K & Trick or Treat Mile
Oct 28, 2023
Las Vegas Triathlon
Oct 5, 2024
Tortoise Trot Trail Run
Oct 5, 2024
Teddy Bear Run
Oct 19, 2024
Twilight Red Rock
Oct 19, 2024
Trail of Terror
Oct 26, 2024
The Hallowrock 10K/5K/1M
Oct 27, 2024
Bountiful, UT
Mueller Trail Half Marathon
Oct 14, 2023
Livermore, CA
Pace for Peace 5K/10K
Oct 7, 2023
Santa Cruz, CA
Run by the Sea
Oct 13, 2024
San Ramon, CA
Run for Education
Oct 13, 2024
Ventura, CA
Haunted Housing Run
Oct 28, 2023
Twilight's Last Gleaming Cross Country Challenge
Oct 27, 2024
La Puente, CA
SRLA Strength 10K & 5K
Oct 22, 2023
Kalispell, MT
Glow Run
Oct 7, 2023
Littleton, CO
Get Your Rear in Gear - Denver Metro
Oct 7, 2023
The Stride
Oct 29, 2023
Go Big or Go Gnome 5K
Oct 13, 2024
Pollock Pines, CA
Trail Run at Sly Park
Oct 26, 2024
Palm Springs, CA
Tram Road Challenge
Oct 21, 2023
Alpha Win Triathlon
Oct 19, 2024
Auburn, CA
The Auburn Half Marathon
Oct 5, 2024
South Jordan, UT
Haunted Hollows Fun Run
Oct 5, 2024
Sound of Hope 5K
Oct 12, 2024
SoJo Halloween Fun Run
Oct 26, 2024
Sedro-Woolley, WA
Scarin' Up Some Fun 5K Glow Run/Walk
Oct 28, 2023
Ogden, UT
Halloween Mutt Strut
Oct 20, 2023
Calistoga, CA
Napa Wine Country Marathon
Oct 26, 2024
San Diego, CA
Summit 5K for Parkinson's Health and Wellness
Oct 14, 2023
Tierrasanta 5K
Oct 28, 2023
Balboa Park 5k Running Tour
Dec 1, 2024
Dec 8, 2024
Dec 15, 2024
Dec 22, 2024
100 more
La Jolla Coastal 5K Running Tour
Nov 28, 2024
Dec 5, 2024
Dec 12, 2024
Dec 19, 2024
100 more
Pacific Beach Half Marathon
Oct 5, 2024
Carmel Valley Trail Run
Oct 12, 2024
Mission Bay Triathlon
Oct 13, 2024
Boot Camp Challenge 3-Mile Obstacle Run
Oct 19, 2024
Lake Hodges Trail Festival
Oct 19, 2024
Lake Hodges Off-Road Challenge Duathlon
Oct 20, 2024
Miles for Melanoma
Oct 20, 2024
Crown Point Half and Marathon Relay
Oct 27, 2024
Fullerton, CA
OC United Pumpkin Run
Oct 28, 2023
Long Beach, CA
Strides For Disability 3K/5K
Oct 21, 2023
Witch's Wisker Half Marathon
Oct 29, 2023
Mary Jane 5K/10K
May 26, 2024 - Series kick-off Race #1
Aug 25, 2024 - Race #2
Oct 20, 2024 - Series Championship Race #3
Aquarium of the Pacific 5K
Oct 5, 2024
Long Beach Marathon
Oct 6, 2024
Oct 5, 2024
Night of the Living Runners Half Marathon
Oct 12, 2024
Ghostly Gallup - National Ghost Hunting Day Run
Oct 20, 2024
Team Spirit Long Beach Cancer 5K
Oct 26, 2024
Merced, CA
UC Merced Toloma 5K
Oct 28, 2023
Idaho Falls, ID
Run for the Cure
Oct 5, 2024
Boulder, CO
Avery Brewing Company Oktoberfest 4K
Oct 1, 2023
Boulder XC Series Meet 1
Oct 14, 2023
Boulder XC Series Meet 2
Oct 28, 2023
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 13, 2024
48 more
Missoula, MT
All Nations Health Center 5K
Oct 7, 2023
gASPing For Air 5K
Oct 14, 2023
Lead the Way 5K
Oct 14, 2023
Montana Brewery Running Series
Oct 12, 2024
City to Sky 50K
Oct 20, 2024
Skeleton Skedaddle
Oct 27, 2024
Cypress, CA
Cypress Run
Oct 7, 2023
Helena, MT
St. Andrew School Griffin Gallop Fun Run
Oct 21, 2023
Helena Sun Run
Oct 5, 2024
Just For The Helena Of It
Oct 20, 2024
Kennewick, WA
Tumbleweed's Run for the Animals
Oct 28, 2023
Blackfoot, ID
Tater Trot
Oct 14, 2023
Oakland, CA
East Bay Front Runners Pride Run
Oct 14, 2023
For the Love of the Bay 5K/10K
Oct 21, 2023
LMJS Fourth Sunday Race
Aug 25, 2024
Jul 28, 2024
Sep 22, 2024
Oct 27, 2024
6 more
Oakland Hills Trail Run
Oct 26, 2024
Springville, CA
Springville Apple Run
Oct 21, 2023
Brighton, CO
Gummball 5K
Oct 19, 2024
Breckenridge, CO
Breckenridge Road Marathon
Oct 12, 2024
Everett, WA
Waldo is in Everett 5K
Oct 1, 2023
Haunted 5K and 10K
Oct 7, 2023
Haunted 5K, 10K, and Half Marathon
Oct 21, 2023
Witches Brouhaha 5K
Oct 21, 2023
Running Dead 5K
Oct 28, 2023
Pirate 1M, 5K, 10K, 15K, & Half Marathon
Oct 5, 2024
Fur-Ever 5K
Oct 6, 2024
Viking 1M, 5K, 10K, 15K, & Half Marathon
Oct 19, 2024
Modesto, CA
Peace Officer Memorial Run
Oct 6, 2024
Orting, WA
Zombie Run 5K
Oct 14, 2023
Simi Valley, CA
Fredrick Michael Gibson Half Marathon
Oct 14, 2023
Morrison, CO
Beware the Bear Trail Races
Oct 15, 2023
Run the Rocks
Oct 13, 2024
Great Trailhead Foot Race
Oct 19, 2024
Pagosa Springs, CO
Halloween Hootenanny Monster Dash 5K
Oct 28, 2023
Trinidad, CO
Dead Man 5K Trail Run
Oct 5, 2024
Whitefish, MT
Whitefish Trail Legacy Run
Oct 6, 2024
Oct 5, 2024
Butte, MT
SWEet Race 5K Fundraiser
Oct 14, 2023
Wolf Creek, MT
Wolf Creek Canyon Relay
Oct 6, 2024
Gunnison, CO
Sage Burner Trail Run
Oct 12, 2024
Castaic, CA
SEB Mud Run
Oct 8, 2023
Windsor, CO
Windsor Marathon
Oct 6, 2024
Sundance, WY
Center of the Nation Series - Day 3
Oct 2, 2024
Yuba City, CA
Pink October Walk - Run
Oct 5, 2024
Kuna, ID
Mud Badger
Oct 12, 2024
Molalla, OR
Fall Festival 5K
Oct 14, 2023
Lakewood, CO
West Side Best Side Cross Country Race
Oct 22, 2023
Susanville, CA
Bizz Johnson
Oct 13, 2024
Oct 12, 2024
Hood River, OR
Columbia Gorge Marathon and Half
Oct 20, 2024
Bellevue, WA
Cougar Mountain Trail Run Series
Oct 27, 2024
Sunnyside, WA
Airfield Estates Vineyard Run
Oct 14, 2023
Redmond, OR
Heaven Can Wait 5K
Oct 6, 2024
Faust, UT
Pony Express Trail 100
Oct 18, 2024
Canon City, CO
Tunnel Vision Duathlon
Oct 14, 2023
Koloa, HI
Hilloween 5K Trail Run
Oct 28, 2023
San Leandro, CA
Look Good Feel Good Race
Oct 5, 2024
Kaysville, UT
DC Peaks 50
Oct 5, 2024
Commerce City, CO
Wild For Life Triathlon
Oct 13, 2024
Shelton, WA
Shuck and Share 5K
Oct 6, 2024
University Place, WA
Pink Ribbon Army 5K
Oct 8, 2023
Talent, OR
Talent Harvest Festival
Oct 5, 2024
Palmer Lake, CO
YMCA Creepy Crawl 5K
Oct 28, 2023
Eagle Mountain, UT
Strong Like James 5K
Oct 7, 2023
Sandpoint, ID
Cougar Chase
Oct 6, 2024
Manhattan Beach, CA
Manhattan Beach 10K
Oct 5, 2024
Fort Bragg, CA
Noyo Headlands Race
Oct 28, 2023
Poulsbo, WA
Poulsbo Half Marathon
Oct 5, 2024
Allensworth, CA
Colonel Allensworth 5K
Oct 14, 2023
Reedley, CA
Fiesta Run/Walk
Oct 14, 2023
Campbell, CA
Oktoberfest Fun Run
Oct 21, 2023
Hailey, ID
Quigley Quickly 10K
Oct 7, 2023
Half Moon Bay, CA
Pumpkin Run
Oct 15, 2023
Half Moon Bay Pumpkin Run
Oct 20, 2024
Puyallup, WA
Stein Dash
Oct 8, 2023
Orca Recovery Day 5K Trail Run
Oct 14, 2023
Haunted Hustle 5K & 10K
Oct 27, 2024
Sandy, UT
Dimple Dell Half Marathon
Oct 12, 2024
Montebello, CA
Montebello Heritage 5K/10K
Oct 8, 2023
South Pasadena, CA
Run The 110
Oct 29, 2023
Union City, CA
Running Dead 5K
Oct 29, 2023
Cascade Locks, OR
Angel's Rest
Oct 12, 2024
Lihue, HI
EPIC5 Ultra Run Challenge
Oct 2, 2023
Atwater, CA
Pumpkin Patch Dash
Oct 14, 2023
Cloverdale, CA
Cloverdale Vineyard Races
Oct 20, 2024
Joint Base Lewis-McChord, WA
Costume Dash 5K
Oct 12, 2024
North Bonneville, WA
Lastest Not Fastest
Oct 5, 2024
Pumpkin Run 5M Trail Run
Oct 26, 2024
Black Diamond, WA
Black Diamond Trick or Trot Trail Fun Run
Oct 14, 2023
Plain City, UT
Halloween Food Truck 5K
Oct 21, 2023
Panaca, NV
Battle Born Trail Run
Oct 19, 2024
Ketchum, ID
Legends Never Die
Oct 12, 2024
San Carlos, CA
Haunted Hills 5K, 10K
Oct 28, 2023
Nibley, UT
Scarecrow Fun Run
Oct 7, 2023
Los Olivos, CA
Back on the Ranch
Oct 5, 2024
Prineville, OR
HTC High Desert
Oct 5, 2024
Cave Junction, OR
Holland Roundup - Epic Fun Endurance Run
Oct 8, 2023
Hercules, CA
Bay Front Run 5K
Oct 1, 2023
Coloma, CA
California Gold Rush Trail Run
Oct 19, 2024
Dillon, MT
Run the Boo 5K/10K
Oct 28, 2023
Ely, NV
Ring of Fire 5K
Oct 14, 2023
Onalaska, WA
Apple Fun Run/Walk
Oct 7, 2023
Exeter, CA
Scarecrow 2.0 2 Mile Race
Oct 13, 2024
Dallas, OR
Dallas Glow Run
Oct 12, 2024
Escalante, UT
Escalante Canyons Marathon
Oct 12, 2024
Fallbrook, CA
Spooky Sprint
Oct 29, 2023
Bandon, OR
Run Whiskey Run
Oct 12, 2024
Burien, WA
Burien Brat Trot
Oct 7, 2023
Potomac, MT
Hole in the Wall Hustle
Oct 7, 2023
Beverly Hills, CA
Beverly Hills Run of the STARS 5K
Oct 6, 2024
Cambridge, ID
Rush Creek Stampede
Oct 7, 2023
Mokuleia, HI
Peacock Challenge
Oct 14, 2023
Pahrump, NV
PDOP Monster Dash 5K
Oct 26, 2024
Parkdale, OR
Pumpkin 5K
Oct 26, 2024
Lynnwood, WA
Celebrate Schools 5K
Oct 7, 2023
Santa Ana, CA
Lightning Wellness Run
Oct 1, 2023
Mancos, CO
Mancos Cowboy Half Marathon
Oct 14, 2023
Livingston, MT
Moose Chase Kids Race
Oct 1, 2023
Sedalia, CO
Indian Creek Trail Runs
Oct 12, 2024
Alhambra, CA
Alhambra Pumpkin Run
Oct 29, 2023
Yachats, OR
Perpetua Coast
Oct 6, 2024
Oct 5, 2024
Oak Park, CA
Monster Dash
Oct 29, 2023
Big Sky, MT
Haunted Run to the Pub 5K
Oct 28, 2023
Paradise, MT
11 Miles to Paradise
Oct 6, 2024
Port Gamble, WA
Spooky 10K
Oct 28, 2023
Nevada City, CA
Yuba Gold Trail Runs
Oct 7, 2023
Wildomar, CA
Tiger Run 5K
Oct 28, 2023
Agua Dulce, CA
Spacerock Trail Race
Oct 5, 2024
Sultan, WA
Osprey Ambler
Oct 7, 2023
Fort Collins, CO
CSU Homecoming 5K
Oct 14, 2023
Mustang Music 5K
Oct 14, 2023
Run Fur Fun 5K
Oct 28, 2023
Colorado Brewery Running Series
Oct 6, 2024
Long View Marathon
Oct 12, 2024
Blue Sky Trail Marathon
Oct 19, 2024
Warner Springs, CA
Ragnar Trail So Cal
Oct 25, 2024
Yellow Pine, ID
Idaho High Mountain Triathlon
Oct 5, 2024
Navajo Mountain, UT
Naatsisaan Trail Ultra
Oct 26, 2024
Crawford, CO
West Elk Challenge Trail Marathon
Oct 5, 2024
Belmont, CA
Belmont Water Dog Run
Oct 12, 2024
Apple Valley, UT
Grand Circle Trailfest - Day 2 - Zion
Oct 4, 2024
Seaside, CA
Monte's 5K
Oct 14, 2023
Oakesdale, WA
Wheatland Classic Pumpkin Pounce 5K
Oct 28, 2023
Santaquin, UT
Kidneys for Taylyn
Oct 14, 2023
Apple Harvest Run
Oct 5, 2024
Westfir, OR
Westfir 50K
Oct 27, 2024
Los Osos, CA
Spooner's Cove
Oct 6, 2024
Baker Lake, WA
Baker Lake 50K
Oct 5, 2024
Pacific Palisades, CA
Charity of Choice 5K
Oct 14, 2023
Severance, CO
Howl-O-Ween 5K
Oct 21, 2023
Hayden Lake, ID
Hayden Lake Marathon
Oct 12, 2024
Union Creek, OR
Rogue Gorge
Oct 19, 2024
Oct 20, 2024
Lummi Island, WA
Lummi Island Loop! 10K & 5K Run/Walk
Oct 8, 2023
Hall, MT
wRECk RUN
Oct 14, 2023
Parachute, CO
5k Buck Fever Fun Run
Oct 21, 2023
Crane, OR
Siegner Strong
Oct 20, 2023
North Fork, MT
Le Grizz Ultramarathon & Relay
Oct 12, 2024
Diamond Lake, OR
Diamond Lake Haunted Wine Run 5K
Oct 5, 2024
Lomita, CA
Monster Dash
Oct 26, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
1. Avery Brewing Company Oktoberfest 4K
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Past DateOct 1, 2023Sunday
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4K run
More Information
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Boulder, CO
Boulder County, CO
2. Bay Front Run 5K
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Past DateOct 1, 2023Sunday
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10K, 5K run | kids run
More Information
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Hercules, CA
Contra Costa County, CA
3. Bobcat Trail Challenge
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Past DateOct 1, 2023Sunday
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6H, 3H, 5K trail run | 6H relay
More Information
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Bozeman, MT
Gallatin County, MT
4. Club Oly Fall Frolic
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Past DateOct 1, 2023Sunday
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5M run
More Information
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Olympia, WA
Thurston County, WA
5. Griffith Park Trail Run
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Past DateOct 1, 2023Sunday
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13.1M, 11K trail run | kids run
More Information
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Los Angeles, CA
Los Angeles County, CA
6. Hybrid Design 25K
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Past DateOct 1, 2023Sunday
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25K run
More Information
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Honolulu, HI
Honolulu County, HI
7. Lands End 5K
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Past DateOct 1, 2023Sunday
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5K run
More Information
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San Francisco, CA
San Francisco County, CA
8. Lightning Wellness Run
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Past DateOct 1, 2023Sunday
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1M run | kids run
More Information
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Santa Ana, CA
Orange County, CA
9. Moose Chase Kids Race
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Past DateOct 1, 2023Sunday
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5K, 2.5K, 1K run | kids run
More Information
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Livingston, MT
Park County, MT
10. Pikes Peak Road Runners Kids Fall Series
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Past DateOct 1, 2023Sunday
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kids run
More Information
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Colorado Springs, CO
El Paso County, CO
11. Rock Reno Half Marathon
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Past DateOct 1, 2023Sunday
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13.1M, 10K, 5K run
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Reno, NV
Washoe County, NV
12. Run for the Brave 5K
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Past DateOct 1, 2023Sunday
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5K run
More Information
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Ellensburg, WA
Kittitas County, WA
13. Skagit Flats Marathon
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Past DateOct 1, 2023Sunday
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26.2M, 13.1M, 5M run
More Information
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Boston Marathon Qualifier
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Burlington, WA
Skagit County, WA
14. SueB 5K and 3K SueB Stroll for Every-Body
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Past DateOct 1, 2023Sunday
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5K, 3K run
More Information
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Boise, ID
Ada County, ID
15. Tuesday Night Race Series
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Oct 1, 2024Tuesday
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12K, 3K run
More Information
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Anchorage, AK
Anchorage County, AK
16. Waldo is in Everett 5K
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Past DateOct 1, 2023Sunday
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5K run
More Information
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Everett, WA
Snohomish County, WA
17. Center of the Nation Series - Day 3
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Oct 2, 2024Wednesday
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26.2M, 13.1M run
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Sundance, WY
Crook County, WY
18. EPIC5 Ultra Run Challenge
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Past DateOct 2, 2023Monday
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250K trail run | 250K adventure race
More Information
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Lihue, HI
Kauai County, HI
19. Fog City Run
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Oct 2, 2024Wednesday
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5K run
More Information
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San Francisco, CA
San Francisco County, CA
20. Portland Trail Series - Fall
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Oct 2, 2024Wednesday
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6M, 4M trail run
More Information
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Portland, OR
Multnomah County, OR
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.