October Ultras in the USA
Greensboro, NC
Triple Lakes Trail Race
Oct 28, 2023
Ft. Worth, TX
Hula Loop 6-Hour Sunday Series - Race 4
Oct 23, 2022
Stratham, NH
Great Bay 5K & Great Bay 55K Challenge
Oct 29, 2022
Titusville, NJ
WXT Ultra Trail Races
Oct 29, 2022
Perryville, AR
Arkansas Traveller 100
Oct 7, 2023
Dallas, TX
Red River Relay
Oct 29, 2022
Holland, MI
Ultra Bird Trail Races
Oct 22, 2022
Greenbush, WI
Glacial Trail 50 Mile & 50K
Oct 8, 2023
Dacula, GA
Thriller Lake
Oct 29, 2022
Stratford, CT
Forbidden Forest 30 Hour Ultra Trail Run
Oct 14, 2023
Chillicothe, OH
Scioto Trail Challenge
Oct 1, 2023
Sterling, IL
Hennepin Hundred
Oct 7, 2023
Medford, OR
Volcanic Legacy Endurance Race
Oct 29, 2022
Fountain Hills, AZ
Javelina Jundred
Oct 28, 2023
Newcastle, WA
Cougar Mountain Trail Running Series
May 14, 2022
Jun 11, 2022
Jul 9, 2022
Aug 13, 2022
1 more
Bellingham, WA
Trails to Taps Relay
Oct 16, 2022
Douglas, MA
Midstate Massive Ultra Trail
Oct 7, 2023
Morristown, TN
Dirt Circuit
Oct 1, 2022
Franklin, NC
Naturalist - Epic 50K, 25K
Oct 7, 2023
Dayton, OH
Outdoor X 12 Hour Endurance Run
Oct 7, 2023
Boalsburg, PA
Tussey Mountainback 50 Mile Relay and Ultra
Oct 16, 2022
Nashville, TN
Nashville Ultra
Oct 21, 2023
Columbus, GA
Columbus Day Relay
Oct 7, 2023
Denison, TX
Red River Relay
Oct 29, 2022
Caledonia, MI
Cal Crusher
Oct 22, 2022
Kings Park, NY
Fred von der Heydt Memorial 6 Hour Birthday Run
Oct 16, 2022
Dubuque, IA
Mines of Spain 100
Oct 20, 2023
Westwego, LA
CrossRun Series #1
Oct 1, 2022
Naples, FL
Gulf to Gulf 80 Mile Relay
Oct 22, 2022
Newport, OR
Dia De Los Muertos Endurance Run
Oct 29, 2022
Colorado Springs, CO
Bobcat Trail Races
Oct 14, 2023
East Peoria, IL
Farmdale Trail Run
Oct 8, 2022
Ardmore, OK
Lake Murray Endurance Run
Oct 28, 2023
San Jose, CA
Mt. Umunhum Trail Conquest
Oct 14, 2023
Raleigh, NC
Tuna Relay 200
Oct 20, 2023
Moscow, ID
Moscow Mountain Madness
Oct 9, 2022
Philadelphia, PA
Pennypack Trail Fest
Oct 29, 2022
Rocky Point, NY
Tesla Hertz Run
Oct 8, 2022
Charlotte, NC
WC-50 Ultra Trail Marathon
Oct 8, 2022
Emporium, PA
Sinnemahone Trail Run
Oct 21, 2023
Flower Mound, TX
Knob Hills Trail Race
Oct 1, 2022
Minneapolis, MN
Loopet Loppet
Oct 21, 2023
South Lake Tahoe, CA
Lake Tahoe Marathon Weekend
Oct 15, 2023
Oct 13, 2023
Oct 14, 2023
Guilford, CT
Bimblers Bluff 50K
Oct 23, 2022
Grand Junction, CO
Rough Canyon Trail Runs
Oct 8, 2022
Woodland Park, CO
Above the Clouds Ultra
Oct 1, 2022
Anderson, SC
Sadlers Creek Stumble
Oct 21, 2023
Oct 22, 2023
Bloomington, IN
Tecumseh Trail Marathon
Oct 22, 2022
Reading, PA
Blues Cruise 50K Trail Ultra
Oct 2, 2022
Lake Elmo, MN
Night Owl Races
Oct 8, 2022
Canandaigua, NY
Can Lake 50 Ultras
Oct 7, 2023
Quincy, IL
1 MPH Marathon
Oct 7, 2022
Charlestown, RI
Rhode Island Trail Classic
Oct 22, 2022
Flintstone, MD
Rocky Gap 25K, 50K, Relay Trail Run
Oct 15, 2022
Las Cruces, NM
Day of the Dead Series
Oct 28, 2023
Oct 29, 2023
Tacoma, WA
Defiance 50K
Oct 14, 2023
Cincinnati, OH
Stone Steps 50K
Oct 23, 2022
Ashland, OR
Tempest Endurance Runs
Oct 7, 2023
Comfort, TX
Ragnar Trail Hill Country
Oct 21, 2022
Chattanooga, TN
Rock/Creek Stump Jump Trail Race
Oct 1, 2022
The Chickamauga Fall Classic
Oct 8, 2022
Amherst, NH
Joe English Twilight Challenge
Oct 1, 2022
Adrian, MI
Heritage 13.1 & 50K Trail Run
Oct 22, 2023
New London, WI
Mosquito Hill Endurance Run
Oct 21, 2023
Castle Rock, CO
Castle Rock Trail Festival
Oct 1, 2022
Wildwood, MO
DeClue Loops Trail Race
Oct 22, 2022
La Crosse, WI
Hixon Trail Runs
Oct 28, 2023
Oct 29, 2023
North Augusta, SC
FATS 50K
Oct 2, 2022
Pittsburgh, PA
GAP Relay
Oct 14, 2022
St. Peter, MN
Saint Peter Halloween 5K
Oct 29, 2022
San Francisco, CA
Pinkathon Challenge for Breast Cancer
Oct 22, 2022
Ruth Anderson Memorial Endurance Run
Oct 14, 2023
Arlington, VA
Marine Corps Marathon
Oct 30, 2022
Cumberland, RI
Survival of the F.I.T.test 24 Hour Trail Ultra
Oct 22, 2022
Columbia, MO
Rock Bridge Revenge
Oct 8, 2022
Albion, IN
Indiana Trail 100
Oct 14, 2023
San Antonio, TX
SARR Rocky Horror Trail Run
Oct 29, 2022
San Diego, CA
Lake Hodges Trail Fest
Oct 21, 2023
Cassoday, KS
Heartland
Oct 8, 2022
Oct 7, 2022
Sturgeon Bay, WI
Fall 50 - Door County
Oct 21, 2023
Chicago, IL
Chicago Lakefront 50K/50M
Oct 29, 2022
Belmont, OH
The Barkcamp Race
Oct 1, 2022
Brainard, NE
Bohemian Alps 50K
Oct 1, 2022
Des Moines, IA
Equalizer Endurance Run
Oct 29, 2022
Grants, NM
Mt. Taylor 50K
Oct 1, 2022
Baltimore, MD
Patapsco Valley 50K
Oct 29, 2022
Gills Rock, WI
Fall 50 - Door County
Oct 21, 2023
Titusville, PA
Oil Creek 100 Trail Runs
Oct 15, 2022
Vernon Hills, IL
Des Plaines River Trail Races
Oct 15, 2022
Council Bluffs, IA
Yippee-Ki-Yay 50K
Oct 22, 2022
Cooperstown, NY
Peak 2 Brew: P2B Catskills Relay
Oct 16, 2022
Simi Valley, CA
Rocky Peak Ultra Trail Race
Oct 8, 2022
Trinidad, CO
The Rad Dirt Fest
Oct 8, 2022
Whitefish, MT
Whitefish Trail Legacy Run
Oct 2, 2022
Oct 1, 2022
Wolf Creek, MT
Wolf Creek Canyon Relay
Oct 1, 2023
Tahlequah, OK
Pumpkin Holler Hunnerd
Oct 21, 2023
Gunnison, CO
Sage Burner Trail Run
Oct 15, 2022
Circleville, WV
West Virginia Trilogy
Oct 13, 2023
Oct 14, 2023
Oct 15, 2023
Steelville, MO
Ozark Trail 100 Mile Endurance Run
Oct 28, 2023
Bruceton Mills, WV
RAF Trail Race Series
Oct 22, 2022
Atlantic Beach, NC
Tuna Relay 200
Oct 20, 2023
Blue Ridge, GA
Blue Ridge Ultra
Oct 7, 2023
Wilmington, OH
Broken Toe 50K
Oct 28, 2023
Susanville, CA
Bizz Johnson
Oct 8, 2023
Oct 7, 2023
Hood River, OR
Gorgeous Hood to Hood Relay
Oct 7, 2023
Faust, UT
Pony Express Trail 100
Oct 20, 2023
Savage, MN
Surf The Murph
Oct 21, 2023
Kaysville, UT
DC Peaks 50
Oct 7, 2023
Powhatan, VA
Piedmont 8 Hour
Oct 22, 2022
Brunswick, MD
River's Edge Endurance Challenge
Oct 22, 2022
Cross Plains, WI
Ice Age Trail Odyssey
Oct 15, 2022
Oct 16, 2022
Palmer Lake, CO
24 Hours of Palmer Lake
Oct 8, 2022
Port Allen, LA
Children of the Cane
Oct 29, 2022
Burns, TN
Mo' Bell
Oct 8, 2022
Oct 9, 2022
Port St Joe, FL
50 For Florida
Oct 22, 2022
Palm Coast, FL
Jacks Trail Race
Oct 22, 2023
Alabaster, AL
Endless Mile
Oct 21, 2022
Oct 22, 2022
Wellsboro, PA
Green Monster Trail Challenge
Oct 8, 2023
Harker Heights, TX
Dana Peak Trail Run
Oct 7, 2023
Ashford, CT
NipMuck Trail Marathon
Oct 2, 2022
Middleville, MI
Yankee Springs Fall Festival
Oct 8, 2022
Gregory, MI
Hootenanny Endurance Run
Oct 22, 2022
Old Fort, NC
Leadmine Nine
Oct 1, 2022
Alachua, FL
Gate2Gate Trail Run
Oct 22, 2022
Garrison, NY
Castle to River Run
Oct 30, 2022
Los Olivos, CA
Back on the Ranch
Oct 1, 2022
Pisgah Forest, NC
Clawhammer Mountain 50k
Oct 15, 2022
Pisgah 55.5K Running Race
Oct 22, 2022
Prineville, OR
HTC High Desert
Oct 7, 2023
Moncks Corner, SC
Revenge of the Stede Bonnet
Oct 8, 2022
Farmersville, TX
Oktoberfest Trail Run
Oct 8, 2022
Lillington, NC
Cape Fear 24H Endurance Run
Oct 14, 2023
Palo Duro Canyon State Park, TX
Palo Duro Trail Run
Oct 21, 2023
Borden, IN
Knobstone Knockout
Oct 9, 2022
Sebastopol, CA
Gravenstein 8 Hour
Oct 30, 2021
Hookstown, PA
Resilient Service Members Classic
Oct 29, 2022
Rockwood, TN
Ozone Endurance Challenge
Oct 11, 2023
Jamestown, TN
No Business 100
Oct 14, 2022
Sedalia, CO
Indian Creek Fifties
Oct 14, 2023
Norton, VA
Cloudsplitter 100
Oct 15, 2022
Beatty, NV
Beatty's Backyard Ultra
Oct 15, 2022
Olga, WA
Orcas Island 50K - Fall
Oct 1, 2022
Peosta, IA
Swiss Valley Trail Races
Oct 7, 2023
Arnold, CA
Arnold Rim Trail Endurance Runs
Oct 1, 2022
Polebridge, MT
Le Grizz Ultramarathon
Oct 8, 2022
Pocahontas, TN
Walking Tall 50K/25K
Oct 21, 2023
Bainbridge, OH
Pike Lake Ultramarathon
Oct 22, 2022
Pamplin, VA
High Bridge Ultra 50K
Oct 8, 2022
Waterville, PA
Wilds Mountain Fest
Oct 22, 2023
Sultan, WA
Osprey Ambler
Oct 1, 2022
Grapeland, TX
Mission Tejas Trail Run
Oct 22, 2022
Canton, SD
Glacier Hills Ultra
Oct 28, 2023
Navajo Mountain, UT
Naatsisaan Trail Ultra
Oct 29, 2022
Mammoth Cave, KY
Mammoth Cave 50K 25K
Oct 22, 2022
Upper Black Eddy, PA
Muleskinner
Oct 15, 2022
Los Osos, CA
Spooner's Cove
Oct 8, 2023
Baker Lake, WA
Baker Lake 50K
Oct 7, 2023
Withlacoochee State Forest, FL
John Holmes Trail Run
Oct 1, 2022
Long Hunter State Park, TN
Long Hunter Trail Runs
Oct 8, 2022
Chihuahuan Desert, TX
Trans-Pecos Ultra
Oct 16, 2022
Hinckley, MN
Fire Tower Trail Races
Oct 7, 2023
Millston, WI
Black River Trail Classic
Oct 21, 2023
Lamy, NM
Feral Hog 50k
Oct 8, 2022
Champion, PA
Roaring Run
Oct 8, 2022
Union Creek, OR
Rogue Gorge
Oct 14, 2023
Oct 15, 2023
Springville, IN
Avoca Daze 5 Hour Endurance Race
Oct 15, 2022
Hyner Run State Park, PA
Black Forest Ultra 100K
Oct 1, 2023
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. Above the Clouds Ultra
-
Past DateOct 1, 2022Saturday
-
50K, 10K trail run
More Information
-
Woodland Park, CO
Teller County, CO
2. Arnold Rim Trail Endurance Runs
-
Past DateOct 1, 2022Saturday
-
35M, 13.1M, 11K trail run
More Information
-
Arnold, CA
Calaveras County, CA
3. Back on the Ranch
-
Past DateOct 1, 2022Saturday
-
24H, 12H, 6H run
More Information
-
Los Olivos, CA
Santa Barbara County, CA
4. Black Forest Ultra 100K
-
Oct 1, 2023Sunday
-
100K trail run
More Information
-
Hyner Run State Park, PA
Clinton County, PA
5. Bohemian Alps 50K
-
Past DateOct 1, 2022Saturday
-
50K run
More Information
-
Brainard, NE
Butler County, NE
6. Castle Rock Trail Festival
-
Past DateOct 1, 2022Saturday
-
50K, 13.1M, 10K, 5K trail run
More Information
-
Castle Rock, CO
Douglas County, CO
7. CrossRun Series #1
-
Past DateOct 1, 2022Saturday
-
6H, 5K run | kids run
More Information
-
Westwego, LA
Jefferson County, LA
8. Dirt Circuit
-
Past DateOct 1, 2022Saturday
-
24H, 12H trail run | 24H, 12H relay
More Information
-
Morristown, TN
Hamblen County, TN
9. Joe English Twilight Challenge
-
Past DateOct 1, 2022Saturday
-
6H, 26.2M, 13.1M trail run | 26.2M, 13.1M relay
More Information
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Amherst, NH
Hillsborough County, NH
10. John Holmes Trail Run
-
Past DateOct 1, 2022Saturday
-
50K, 16M, 9M trail run
More Information
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Withlacoochee State Forest, FL
Hernando County, FL
11. Knob Hills Trail Race
-
Past DateOct 1, 2022Saturday
-
100K, 50K, 25K, 10K trail run
More Information
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Flower Mound, TX
Denton County, TX
12. Leadmine Nine
-
Past DateOct 1, 2022Saturday
-
100K trail run
More Information
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Old Fort, NC
McDowell County, NC
13. Mt. Taylor 50K
-
Past DateOct 1, 2022Saturday
-
50K trail run
More Information
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Grants, NM
Cibola County, NM
14. Orcas Island 50K - Fall
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Past DateOct 1, 2022Saturday
-
50K trail run
More Information
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Olga, WA
San Juan County, WA
15. Oregon Coast
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Past DateOct 1, 2022Saturday
-
50K trail run
More Information
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Yachats, OR
Lincoln County, OR
16. Osprey Ambler
-
Past DateOct 1, 2022Saturday
-
6H, 2H trail run
More Information
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Sultan, WA
Snohomish County, WA
17. Perpetua Coast
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Past DateOct 1, 2022Saturday
-
50K trail run
More Information
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Yachats, OR
Lincoln County, OR
18. Rock/Creek Stump Jump Trail Race
-
Past DateOct 1, 2022Saturday
-
50K, 11M trail run
More Information
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Chattanooga, TN
Hamilton County, TN
19. Scioto Trail Challenge
-
Oct 1, 2023Sunday
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50K, 40K, 30K, 20K, 10K trail run
More Information
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Chillicothe, OH
Ross County, OH
20. The Barkcamp Race
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Past DateOct 1, 2022Saturday
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13.1M, 10K, 5K run | 40M, 26.2M, 13.1M trail run
More Information
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Belmont, OH
Belmont County, OH
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.