Upcoming 50Ms in the USA
Marquette, MI
Marquette Trail 50
Aug 17, 2024
Aug 16, 2024
Sausalito, CA
Headlands 50M Endurance Run
Aug 10, 2024
Lima, OH
UnitedAF Ultramarathon
Oct 19, 2024
Nashville, IN
Dances With Dirt - Gnaw Bone
May 18, 2024
Baraboo, WI
Dances With Dirt - Devil's Lake
Jul 13, 2024
Potosi, MO
Berryman Marathon & 50 Miler
May 18, 2024
Greenbush, WI
Glacial Trail 50 Mile & 50K
Oct 13, 2024
Fairbanks, AK
Drew's Angel Creek 50
Aug 3, 2024
Provo, UT
Snow Peaks 50 Mile Trail Run
Jun 8, 2024
Wenatchee, WA
Devil's Gulch
Jul 13, 2024
Damascus, VA
Iron Mountain 50, 30, 16 Mile Trail Run
Aug 31, 2024
Pittsfield, MA
Free to Run Trail Races
Sep 14, 2024
Montana City, MT
HURL Elkhorn Endurance Runs
Aug 3, 2024
Willard, MO
Frisco Railroad Run
Apr 27, 2024
Sterling, IL
Hennepin Hundred
Oct 5, 2024
Wichita, KS
Summer Sizzler
Jul 28, 2024
Flagstaff, AZ
Flagstaff Sky Peaks Mountain Runs
Sep 28, 2024
Fountain Hills, AZ
McDowell Mountain Frenzy Trail Runs
Dec 7, 2024
Ellerbe, NC
Bethel Hill Moonlight Boogie
Jun 8, 2024
Manhattan, KS
Flint Hills 50 and Marathon
Apr 27, 2024
Dalton, GA
Georgia Jewel
Sep 21, 2024
Sep 20, 2024
Waynesville, OH
Dawg Gone Long Run
Jun 29, 2024
Easton, WA
Ultra Fest
Sep 21, 2024
Douglas, MA
Midstate Massive Ultra Trail
Oct 12, 2024
Staten Island, NY
NYC Trail Mix
Nov 16, 2024
Maplewood, NJ
FallApple
Sep 7, 2024
Boalsburg, PA
Tussey Mountainback 50 Mile Relay and Ultra
Oct 27, 2024
Saint George, UT
Lake to Lake Relay and Ultra
Mar 1, 2025
Nashville, TN
Nashville Ultramarathon
Oct 19, 2024
Honolulu, HI
Hawaii Kai Ultra Run - XTreme
Jul 27, 2024
Hawaii Kai Ultra Run - Kalama Valley
Dec 14, 2024
New Paltz, NY
Rock The Ridge
May 4, 2024
Crested Butte, CO
Crested Butte Ultra
Sep 28, 2024
Jacksonville Beach, FL
Daytona 100 Ultra
Dec 14, 2024
Carlisle, MA
TARC Fall Classic
Sep 7, 2024
Mayville, WI
Arctic Frog Run
Dec 21, 2024
Colorado Springs, CO
Ring the Springs
Jun 22, 2024
Jun 23, 2024
Pikes Peak Ultra
Jul 27, 2024
Fairmont, WV
Wild Turkey 50K 25K and 8 Miler
Aug 17, 2024
East Peoria, IL
Farmdale Trail Run
Oct 12, 2024
San Jose, CA
Mt. Umunhum Ultras
Jun 8, 2024
Raleigh, NC
Umstead 100 Mile Endurance Run
Apr 5, 2025
Lake City, CO
San Juan Solstice 50 Mile
Jun 22, 2024
Monterey, CA
Monterey Ultra
Jan 25, 2025
McClellanville, SC
Swamp Fox Ultra
Nov 16, 2024
Brownsville, VT
Vermont 50 Ultra Run
Sep 29, 2024
Lake Tahoe, NV
Tahoe Rim Trail Endurance Runs
Jul 20, 2024
Philadelphia, PA
Dirty German Endurance Fest
May 11, 2024
Rocky Point, NY
Tesla Hertz Run
Oct 12, 2024
Charlotte, NC
WC-50 Ultra Trail Marathon
Oct 5, 2024
Fruita, CO
Kessel Run Ultra
Nov 9, 2024
Wilmington, NC
Southern Tour Ultra
Jan 17, 2025
Hector, NY
Finger Lakes 50s
Jun 29, 2024
Lawrence, KS
Hawk Hundred
Sep 7, 2024
Canandaigua, NY
Can Lake 50 Ultras
Oct 12, 2024
Steamboat Springs, CO
Run Rabbit Run
Sep 14, 2024
Sep 13, 2024
Moab, UT
Canyonlands Ultra
Oct 26, 2024
Dead Horse Ultra
Nov 16, 2024
Arches Ultra
Jan 25, 2025
Moab Red Hot Ultra
Feb 22, 2025
Behind the Rocks
Mar 22, 2025
Buena Vista, CO
Collegiate Peaks Trail Run
May 4, 2024
Huntsville, AL
Dizzy Fifties
Nov 16, 2024
Pittsfield, VT
Peak Bloodroot Ultra
May 10, 2024
May 11, 2024
May 8, 2024
Sylacauga, AL
Rebecca Mountain 50 Miler
Sep 7, 2024
Virgil, NY
Virgil Crest Ultras
Sep 14, 2024
Ashland, OR
Siskiyou Out Back Trail Run
Jul 13, 2024
Key West, FL
KEYS100
May 18, 2024
Silverado, CA
That's No Moon
Sep 28, 2024
Ipswich, MA
TARC Stone Cat Trail Festival
Nov 2, 2024
Lynchburg, VA
Mountain Masochist Trail Run
Nov 2, 2024
Columbia, SC
Firebreak Running Festival
Jun 1, 2024
Bishop, CA
Bishop High Sierra Ultras
May 18, 2024
Manistee, MI
North Country Trail Run
Aug 24, 2024
Aug 25, 2024
Peninsula, OH
Fools Trail Race
May 25, 2024
Pittsburgh, PA
Hell Hath No Hurry
Jun 30, 2024
Huntsville, TX
Rocky 50 Trail Race
Feb 8, 2025
Cuyahoga Falls, OH
Burning River 100 Mile Endurance Run
Jul 27, 2024
Prescott, AZ
Man Against Horse Race
Oct 19, 2024
Pinckney, MI
Run Woodstock
Sep 6, 2024
Sep 7, 2024
Sep 8, 2024
Smyrna, GA
Underground Circus 100
May 25, 2024
Winthrop, WA
Sun Mountain
May 19, 2024
May 18, 2024
Thurmond, WV
Highball to Thurmond Ultra & Relay
May 19, 2024
Goodyear, AZ
Fat Ox
Nov 22, 2024
San Francisco, CA
Ruth Anderson Memorial Endurance Run
Oct 12, 2024
Golden Gate Trail Classic
Nov 23, 2024
Nov 24, 2024
Avalon, CA
Avalon Benefit 50 Mile
Jan 11, 2025
Lone Pine, CA
Wild Wild West Marathon
Oct 5, 2024
Elkton, MD
Phunt 25K/50K Trail Race
Jan 18, 2025
Oklahoma City, OK
Turkey Trails
Nov 2, 2024
New Preston, CT
Jack Bristol Lake Waramaug Ultra Races
Apr 28, 2024
La Grange, WI
Ice Age Trail Run
May 11, 2024
Vernal, UT
Mountain Madness
Aug 10, 2024
Clifton, VA
Bull Run Run 50 Mile
Apr 5, 2025
Boonsboro, MD
JFK 50 Mile
Nov 23, 2024
Franklin, TN
Natchez Trace Trail Run
Nov 2, 2024
Albion, IN
Indiana Trail 100
Oct 12, 2024
Smithville, TX
Hells Hills Trail Race
Apr 5, 2025
San Diego, CA
Pacific Crest Trail 50 (PCT 50)
May 11, 2024
Albany, GA
Chehaw Challenge
Jan 25, 2025
Cassoday, KS
Heartland
Oct 12, 2024
Oct 11, 2024
Sturgeon Bay, WI
Fall 50 - Door County
Oct 26, 2024
Chicago, IL
Chicago Lakefront 50K/50M
Nov 2, 2024
Los Alamos, NM
Jemez Mountain Trail Runs
May 11, 2024
Greenville, SC
Longest Night Trail Run
Dec 21, 2024
Dec 22, 2024
Millburn, NJ
Mayapple Trail Run
May 18, 2024
Timothy Lake, OR
Mt. Hood 50 Races
Jul 13, 2024
Jul 14, 2024
Leadville, CO
Leadville Silver Rush 50M Trail Run Race
Jul 6, 2024
Pocatello, ID
Scout Mountain Ultras
Jun 8, 2024
Jun 7, 2024
Warda, TX
Wild Hare Trail Run
Nov 16, 2024
Brooklyn, NY
PPTC 50 Mile Endurance Fest
Dec 1, 2024
Loudonville, OH
Mohican 100 Mile, 50 Mile and Marathon Runs
Jun 1, 2024
Castro Valley, CA
Dick Collins Firetrails
Sep 28, 2024
Ithaca, NY
Cayuga Trails 50
Jun 1, 2024
Gills Rock, WI
Fall 50 - Door County
Oct 26, 2024
Pelham, AL
Blood Rock 100
Dec 7, 2024
Wilburton, OK
Outlaw 100
Feb 8, 2025
Terrebonne, OR
Smith Rock Classic
Jun 1, 2024
Run the Rock
Nov 9, 2024
Portersville, PA
Glacier Ridge Trail Ultra
May 11, 2024
Wendover, UT
Salt Flats Endurance Runs
May 3, 2024
Morehead, KY
Big Turtle Trail Runs
Apr 27, 2024
Waynesville, MO
Bad Dawg Ultra
Aug 17, 2024
Circleville, WV
West Virginia Trilogy
Oct 11, 2024
Oct 12, 2024
Oct 13, 2024
Pine, CO
North Fork 50M/50K
Jun 1, 2024
Yacolt, WA
Hellz Bellz
Jun 30, 2024
Blue Ridge, GA
Cruel Jewel 50
May 18, 2024
Dover, OH
Tuscazoar Endurance Race
Aug 31, 2024
Sturgis, SD
Black Hills 100
Jun 28, 2024
Jun 29, 2024
London, KY
Y'allhalla
Jun 8, 2024
Faust, UT
Pony Express Trail 100
Oct 18, 2024
Lanesboro, PA
Viaduct Trail Ultramarathon
Jul 13, 2024
Savage, MN
Surf The Murph
Oct 19, 2024
Brownstown, IN
Jackson County 50-50 Ultra
Dec 7, 2024
Pilot Mountain, NC
Pilot Mountain to Hanging Rock Ultra & Relay
Sep 28, 2024
Kaysville, UT
DC Peaks 50
Oct 5, 2024
Rocksprings, TX
J&J Race & Trail Running Reunion
Aug 30, 2025
Honey Creek, IA
Hitchcock Experience
Dec 7, 2024
Ashburnham, MA
Wapack and Back Trail Races
May 11, 2024
Monticello, UT
Bears Ears Ultra
Jun 22, 2024
Burns, TN
Mo' Bell
Oct 12, 2024
Escondido, CA
San Diego 50 and Trail Runs
Jan 11, 2025
Wellsboro, PA
Pine Creek Challenge
Sep 7, 2024
Port Aransas, TX
Barrier Island Ultra
Nov 9, 2024
Vienna, IL
Tunnel Hill 100
Nov 9, 2024
Nov 10, 2024
Holly Springs, NC
Sugg Farm Ultra
Sep 14, 2024
Cordesville, SC
Wambaw Swamp Stomp
May 11, 2024
Shepherdsville, KY
Crooked Creek Ultra Trail Race
Dec 7, 2024
Dec 8, 2024
Big Rapids, MI
Hungerford Games
Sep 28, 2024
Middleburg, FL
Festivus 50 Miler Trail Run
Dec 7, 2024
Byers, CO
BINGO! Trail Runs
Nov 9, 2024
Palo Duro Canyon State Park, TX
Palo Duro Trail Run
Oct 19, 2024
Custer, SD
Lean Horse
Aug 16, 2024
Aug 17, 2024
Blodgett, OR
Marys Peak Trail Run
Jun 8, 2024
Parkdale, OR
Wy'east Wonder
Sep 7, 2024
Canal Fulton, OH
Eagle Up Ultra
Jun 1, 2024
Get Lucky 50/50
Mar 15, 2025
Coon Rapids, IA
Whiterock Ultra
Jul 27, 2024
Frater Lake, WA
Kaniksu Ultras
Jun 8, 2024
Montgomery Village, MD
Stone Mill 50M Run
Nov 9, 2024
Sedalia, CO
Indian Creek Trail Runs
Oct 12, 2024
Cimarron, NM
Philmont Trail Race
Aug 3, 2024
Quanah, TX
Chupacabra 50
May 4, 2024
Saint Regis, MT
Trail Rail Run
Jun 15, 2024
Ida Grove, IA
Trail of the Dragon 50K/50M
Aug 3, 2024
Hewitt, NJ
Wild Goose
Sep 21, 2024
Stony Point, NY
Suffer'n Bear Ultra
Sep 28, 2024
Port Gamble, WA
Lumberjack Endurance Runs
Jun 8, 2024
Logandale, NV
Fire Fest Ultra
Nov 23, 2024
Nov 24, 2024
Nov 22, 2024
Pawhuska, OK
Flower Moon
May 11, 2024
La Veta, CO
Cuchara Trail Runs
Jun 15, 2024
Flovilla, GA
Bootlegger
Apr 5, 2025
Fort Collins, CO
Quad Rock 50
May 11, 2024
Hatch, UT
Bryce Canyon Ultras
May 18, 2024
Poland, IN
OPSF50|50
Mar 22, 2025
Granger, IA
Stuffed Turkey Endurance Races
Nov 23, 2024
Chesterfield, MA
Chesterfield Gorge Ultra and 25K Race
Jun 1, 2024
Jun 2, 2024
La Sal, UT
UTE 100
Aug 24, 2024
Kalaheo, HI
The Kauai 50
Aug 3, 2024
Greenwater, WA
White River 50 Mile and 50K
Jul 27, 2024
Grand Mesa, CO
Grand Mesa Ultras
Jul 27, 2024
Christmas, FL
Forgotten Florida
Feb 1, 2025
Orcas Island, WA
Orcas Island Trail Runs
Apr 27, 2024
Apr 28, 2024
Grayson Highlands State Park, VA
Grayson Highlands
May 5, 2024
May 4, 2024
Red Feather Lakes, CO
Red Feather Trail Jamboree
Sep 21, 2024
Sep 20, 2024
Sep 22, 2024
Half Day Forest Preserve, IL
Des Plaines River Trail Races
Oct 12, 2024
Stark, NH
Kilkenny Ridge Race
Sep 14, 2024
North Fork, MT
Le Grizz Ultramarathon & Relay
Oct 12, 2024
Summerville, PA
Baker Trail UltraChallenge
Aug 24, 2024
Shawnee State Park, OH
Shawnee Trail Runs
Oct 5, 2024
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
141. Midstate Massive Ultra Trail
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Oct 12, 2024Saturday
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100M, 50M, 30M trail run
More Information
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Douglas, MA
Worcester County, MA
142. Mo' Bell
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Oct 12, 2024Saturday
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24H, 100M, 75M, 12H, 100K, 50M, 50K, 26.2M, 13.1M, 10K, 5K, 1M run | 24H, 12H relay
More Information
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Burns, TN
Dickson County, TN
143. Ruth Anderson Memorial Endurance Run
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Oct 12, 2024Saturday
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50M, 50K run
More Information
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San Francisco, CA
San Francisco County, CA
144. Tesla Hertz Run
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Oct 12, 2024Saturday
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100M, 100K, 50M, 50K, 10M trail run
More Information
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Rocky Point, NY
Suffolk County, NY
145. West Virginia Trilogy
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Oct 12, 2024Saturday
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50M trail run
More Information
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Circleville, WV
Pendleton County, WV
146. Glacial Trail 50 Mile & 50K
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Oct 13, 2024Sunday
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50M, 50K trail run
More Information
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Greenbush, WI
Sheboygan County, WI
147. Pony Express Trail 100
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Oct 18, 2024Friday
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100M, 50M run
More Information
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Faust, UT
Tooele County, UT
148. Man Against Horse Race
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Oct 19, 2024Saturday
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50M, 25M, 13.1M trail run
More Information
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Prescott, AZ
Yavapai County, AZ
149. Nashville Ultramarathon
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Oct 19, 2024Saturday
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50M, 50K run
More Information
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Nashville, TN
Davidson County, TN
150. Palo Duro Trail Run
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Oct 19, 2024Saturday
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50M, 50K, 20K trail run
More Information
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Palo Duro Canyon State Park, TX
Randall County, TX
151. Surf The Murph
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Oct 19, 2024Saturday
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50M, 50K, 25K trail run
More Information
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Savage, MN
Scott County, MN
152. UnitedAF Ultramarathon
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Oct 19, 2024Saturday
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100M, 100K, 50M, 50K run | 100M relay
More Information
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Lima, OH
Allen County, OH
153. Cactus Rose Endurance Trail Race
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Oct 25, 2024Friday
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5M run | 150M, 100M, 50M, 25M trail run | kids run
More Information
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Bandera, TX
Bandera County, TX
154. Cactus Rose Endurance Trail Race
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Oct 26, 2024Saturday
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5M run | 150M, 100M, 50M, 25M trail run | kids run
More Information
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Bandera, TX
Bandera County, TX
155. Canyonlands Ultra
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Oct 26, 2024Saturday
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100M, 125K, 50M, 26.2M, 13.1M, 15K trail run
More Information
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Moab, UT
Grand County, UT
156. Fall 50 - Door County
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Oct 26, 2024Saturday
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50M run | 50M relay
More Information
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startGills Rock, WIfinishSturgeon Bay, WIDoor County, WIDoor County, WI
157. Kansas Rails-to-Trails Extravaganza
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Oct 26, 2024Saturday
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100M, 100K, 50M, 50K, 26.2M, 13.1M trail run
More Information
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Ottawa, KS
Franklin County, KS
158. Cactus Rose Endurance Trail Race
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Oct 27, 2024Sunday
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5M run | 150M, 100M, 50M, 25M trail run | kids run
More Information
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Bandera, TX
Bandera County, TX
159. Tussey Mountainback 50 Mile Relay and Ultra
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Oct 27, 2024Sunday
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50M run | 50M relay
More Information
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Boalsburg, PA
Centre County, PA
160. Chicago Lakefront 50K/50M
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Nov 2, 2024Saturday
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50M, 50K run
More Information
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Chicago, IL
Cook County, IL
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.