50Ms in the USA
Snoqualmie, WA
Mt. Si Relay & Ultra Runs
Apr 26, 2020
Marquette, MI
Marquette Trail 50
Aug 21, 2021
Aug 20, 2021
Enumclaw, WA
White River 50M
Jul 25, 2020
Nashville, IN
Dances With Dirt - Gnaw Bone, IN
May 22, 2021
Baraboo, WI
Dances With Dirt Devil's Lake
Jul 10, 2021
Potosi, MO
Berryman Marathon & 50 Miler
May 16, 2020
Wantagh, NY
Ocean to Sound 50 Mile Relay
Sep 22, 2019
Florahome, FL
Iron Horse Endurance Runs
Feb 8, 2020
Greenbush, WI
Glacial Trail 50 Mile & 50K
Oct 10, 2021
Fairbanks, AK
Drew's Angel Creek 50
Jul 10, 2021
Lake Texoma, TX
Cross Timbers Trail Run
Feb 22, 2020
Damascus, VA
Iron Mountain 50, 30, 16 Mile Trail Run
Sep 5, 2020
Pittsfield, MA
Free to Run Trail Races
Sep 19, 2020
Willard, MO
Frisco Railroad Run
Apr 24, 2021
Sterling, IL
Hennepin Hundred
Oct 2, 2021
Sacramento, CA
Jed Smith Ultra
Feb 2, 2021
Wichita, KS
UrbanICT
Jul 24, 2020
Flagstaff, AZ
Flagstaff Sky Peaks Mountain Runs
Oct 5, 2019
Big Bear Lake, CA
Kodiak Ultra Marathons
Sep 11, 2020
Sep 12, 2020
Fountain Hills, AZ
McDowell Mountain Frenzy Trail Runs
Dec 4, 2021
Midway, UT
Woman of Steel Relay
Sep 25, 2021
Deerfield Beach, FL
PALM100 Ultras
Oct 26, 2019
Alexander City, AL
Lake Martin 100
Mar 28, 2020
Manhattan, KS
Flint Hills 50 and Marathon
Apr 17, 2021
Dalton, GA
Georgia Jewel
Sep 18, 2021
Sep 17, 2021
Waynesville, OH
Dawg Gone Long Run
Jul 11, 2020
Douglas, MA
Midstate Massive Ultra Trail
Oct 9, 2021
Abingdon, VA
Yeti 100 Mile Endurance Run
Sep 25, 2021
Maplewood, NJ
Febapple Frozen Fifty
Feb 20, 2021
Boalsburg, PA
Tussey Mountainback 50 Mile Relay and Ultra
Oct 24, 2021
St. George, UT
Lake to Lake Relay and Ultra
Mar 6, 2021
Falls of Rough, KY
Falls 100
Dec 5, 2020
Honolulu, HI
Hawaii Kai Ultra Run - Kalama Valley
Dec 14, 2019
Boulder City, NV
Blood, Sweat & Beers
Mar 20, 2021
Rockaway, NJ
Wildcat Ridge Romp Trail Races
Aug 14, 2021
New Paltz, NY
Rock The Ridge
Sep 25, 2021
Gilford, NH
Gunstock TrailFest
Jun 20, 2021
Jun 19, 2021
Leesport, PA
Naked Prussian Marathon & 50 Miler
Mar 27, 2021
Mayville, WI
Arctic Frog Endurance Run
Dec 4, 2021
Colorado Springs, CO
Pikes Peak Ultra
Jul 31, 2021
East Peoria, IL
Farmdale Trail Run
Oct 12, 2019
Cave Creek, AZ
Elephant Mountain Trail Runs
Feb 6, 2021
Raleigh, NC
Umstead 100 Mile Endurance Run
Mar 27, 2021
Lake City, CO
San Juan Solstice 50 Mile
Jun 26, 2021
McClellanville, SC
Cooter Creek 50 Mile Trail Race
Apr 17, 2021
Swamp Fox Ultra
Nov 8, 2021
Nov 12, 2021
Nov 13, 2021
Brownsville, VT
Vermont 50 Ultra Run
Sep 26, 2021
Lake Tahoe, NV
Tahoe Rim Trail Endurance Runs
Jul 17, 2021
Philadelphia, PA
Dirty German Endurance Fest
May 8, 2021
Ocala, FL
Wild Things Races
Jan 18, 2020
Rocky Point, NY
Tesla Hertz Run
Oct 9, 2021
Charlotte, NC
WC-50 Ultra Trail Marathon
Oct 10, 2020
Tampa, FL
Fall Stampede
Sep 7, 2019
Toledo, OH
Miakonda Trail Ultra
Sep 4, 2021
South Lake Tahoe, CA
Echo Summit Trail Challenge
Oct 2, 2021
Sebastian, FL
Saint Sebastian 100
Nov 2, 2019
College Station, TX
Green Ultra at Millican
Mar 14, 2020
Richland, WA
Badger Mountain Challenge
May 29, 2020
Grand Junction, CO
Grand Mesa Ultras
Jul 25, 2020
Hector, NY
Finger Lakes 50s
Jul 4, 2020
Lawrence, KS
Hawk Hundred
Sep 5, 2020
Henderson, NV
Trail Trashed
Mar 27, 2021
Atlanta, GA
Underground Circus 50
Dec 26, 2020
Ottawa, KS
Prairie Spirit Trail Ultra Races
Mar 27, 2021
Kansas Rails-to-Trails Extravaganza
Oct 23, 2021
Canandaigua, NY
Can Lake 50 Ultras
Oct 9, 2021
Steamboat Springs, CO
Run Rabbit Run
Sep 18, 2021
Sep 17, 2021
Traverse City, MI
Lighthouse 100
Jun 13, 2021
Mountain View, AR
Three Days of Syllamo Stage Race
Mar 13, 2020 - Day One
Mar 14, 2020 - Day Two
Mar 15, 2020 - Day Three
Buena Vista, CO
Collegiate Peaks Trail Run
May 1, 2021
Huntsville, AL
Dizzy Fifties Trail Run
Nov 21, 2020
Rodeo Beach, CA
Headlands Hundred
Nov 21, 2020
Sylacauga, AL
Rebecca Mountain 50 Miler
Sep 7, 2019
Los Gatos, CA
Sierra Azul Challenge Run
Jun 19, 2021
Las Cruces, NM
Fiesta Grande Ultras
Apr 27, 2019
Zombie Ultras
Nov 2, 2019
Fiesta Series
Aug 27, 2020
Aug 28, 2020
Aug 29, 2020
Aug 30, 2020
Jupiter, FL
Dunes 100
Apr 25, 2020
Apr 25, 2020
Ashland, OR
Siskiyou Out Back Trail Run
Jul 10, 2021
Willoughby Hills, OH
Burning River 100 Mile Endurance Run
Jul 24, 2021
Key West, FL
KEYS100
May 15, 2021
Chattanooga, TN
Lookout Mountain 50 Miler
Dec 18, 2021
Biloxi, MS
Badlands Mississippi Ultra
Apr 18, 2020
Lake Hughes, CA
Leona Divide 50K/50M
Apr 25, 2020
Silverado, CA
That's No Moon
Sep 26, 2020
Decatur, TX
Grasslands Trail Run
Mar 20, 2021
Lynchburg, VA
Mountain Masochist Trail Run
Nov 6, 2021
Bishop, CA
Bishop High Sierra Ultras
May 22, 2021
Cleburne, TX
Coyote Trail Run
Apr 17, 2021
Manistee, MI
North Country Trail Run
Aug 29, 2020
Aug 30, 2020
Brooksville, FL
Croom Fools Run
Apr 3, 2021
Wildwood, MO
Ozark Foothills
Apr 10, 2021
Lewis Center, OH
Firefly Overnight Endurance Challenge
Jun 27, 2020
Pittsburgh, PA
Hell Hath No Hurry
Aug 22, 2020
Wilsonville, OR
ORRC Autumn Leaves Run
Oct 24, 2020
Laurel, MS
Mississippi 50 Trail Run
Mar 6, 2021
Pinckney, MI
Run Woodstock
Sep 10, 2021
Sep 11, 2021
Sep 12, 2021
Winthrop, WA
Sun Mountain 50M
May 9, 2020
Thurmond, WV
Highball to Thurmond Ultra
May 23, 2021
Tucson, AZ
AZT Oracle Rumble
Jan 23, 2021
San Francisco, CA
Ruth Anderson Memorial Endurance Run
Oct 9, 2021
Alexandria, LA
Wild Azalea Trail Challenge
Jan 2, 2021
Avalon, CA
Avalon Benefit 50 Mile
Mar 13, 2021
Las Vegas, NV
Jackpot Ultra Running Festival
Feb 12, 2021
Feb 13, 2021
Labor of Love Races
Mar 20, 2021
Running with the Devil
Jun 19, 2021
Devil After Dark
Sep 18, 2021
Valley of Fire Backcountry
Nov 13, 2021
Milton, MA
TARC Don't Run Boston Races
Apr 19, 2020
Lone Pine, CA
Wild Wild West Marathon
May 1, 2021
New Preston, CT
Jack Bristol Lake Waramaug Ultra Races
Apr 26, 2020
La Grange, WI
Ice Age Trail Run
May 8, 2021
tBunk Endurance Challenge
Nov 12, 2021
Nov 13, 2021
Nov 14, 2021
Vernal, UT
Ashley 50 Ultra and Relay
Aug 8, 2020
Clifton, VA
Bull Run Run 50 Mile
Apr 4, 2020
Boonsboro, MD
JFK 50 Mile
Nov 20, 2021
Brookville, PA
Baker Trail UltraChallenge
Aug 28, 2021
Washington, CT
NYARA Trail Series - Steep Rock
Aug 3, 2019
Albion, IN
Indiana Trail 100
Oct 9, 2021
San Antonio, TX
Race for Ryland 5K
Feb 29, 2020
Feb 1, 2021
Feb 28, 2021
Crystal Mountain, WA
White River 50 Mile Trail Run
Jul 25, 2020
Smithville, TX
Hells Hills Trail Run
Apr 2, 2021
Apr 3, 2021
Apr 4, 2021
San Diego, CA
Anza Borrego/Cuyamaca 50 Mile
Dec 5, 2020
Albany, GA
Chehaw Challenge
Jan 30, 2021
Waddell, AZ
Mesquite Canyon Trail Runs
Mar 6, 2021
Chicago, IL
Chicago Lakefront 50K/50M
Oct 31, 2020
Los Alamos, NM
Jemez Mountain Trail Runs
May 22, 2021
Greenville, SC
Longest Night
Dec 18, 2021
Dec 19, 2021
Grand Rivers, KY
Land Between the Lakes Trail Runs
Mar 13, 2021
Little Rock, AR
Ouachita Trail 50 Endurance Run
Apr 17, 2021
Timothy Lake, OR
Mt. Hood 50 Races - 50M
Jul 10, 2021
Jul 11, 2021
Leadville, CO
Leadville Silver Rush 50M Trail Run Race
Jul 10, 2021
Pocatello, ID
Scout Mountain Ultra Trail
Jun 5, 2021
Jun 4, 2021
Warda, TX
Wild Hare Trail Run
Nov 21, 2020
Brooklyn, NY
PPTC 50th Anniversary 50M Endurance Fest
Dec 6, 2020
Loudonville, OH
Mohican 100 Mile, 50 Mile and Marathon Runs
Jun 19, 2021
Castro Valley, CA
Dick Collins Firetrails
Sep 25, 2021
Ithaca, NY
Cayuga Trails 50
May 29, 2021
Sonoita, AZ
Old Pueblo Endurance Runs
Mar 5, 2022
Gills Rock, WI
Fall 50 - Door County
Oct 24, 2020
Vernon Hills, IL
Des Plaines River Trail Races
Oct 9, 2021
Pelham, AL
Blood Rock 100 and 50
Dec 4, 2020
Wilburton, OK
Outlaw 100
Feb 13, 2021
Terrebonne, OR
Run the Rock
Nov 13, 2021
Nov 14, 2021
Portersville, PA
Glacier Ridge Trail Ultra
May 16, 2020
Wendover, UT
Salt Flats Endurance Runs
May 1, 2020
Morehead, KY
Big Turtle 50 Miler
Apr 24, 2021
Rosendale, NY
Shawangunk Ridge Trail Run
Sep 11, 2021
Sep 10, 2021
Circleville, WV
West Virginia Trilogy
Oct 9, 2020
Oct 10, 2020
Oct 11, 2020
Pine, CO
North Fork 50M/50K
Jun 5, 2021
Ojai, CA
Topa Topa 50
Nov 21, 2020
Clewiston, FL
Skydive Ultra Florida
Jan 30, 2021
Blue Ridge, GA
Cruel Jewel 50
May 15, 2021
Dover, OH
Tuscazoar 100
Sep 4, 2021
Cannon Beach, OR
Gorgeous Coast Relay
Oct 4, 2020
Sturgis, SD
Black Hills 100
Jun 25, 2021
Jun 26, 2021
Pennington, NJ
Meadows Miler
Nov 2, 2019
Faust, UT
Pony Express Trail 100
Oct 15, 2021
Lanesboro, PA
Viaduct Trail Ultramarathon
Jul 11, 2020
Savage, MN
Surf The Murph
Oct 24, 2020
Brownstown, IN
Jackson County 50-50 Ultra
Dec 4, 2021
Pilot Mountain, NC
Pilot Mountain to Hanging Rock Trail Ultras
Oct 2, 2021
Circleville, OH
One Hot Momma
Aug 10, 2019
Kaysville, UT
DC Peaks 50
Oct 9, 2021
Harrison, TN
Run Amok
Nov 14, 2020
Erick, OK
Do-Wacka-Do Trail Runs
Sep 7, 2019
Honey Creek, IA
The Hitchcock Experience Endurance Runs
Dec 12, 2020
Palmer Lake, CO
Kickers Endurance Run
Jul 17, 2021
Ashburnham, MA
Wapack and Back Trail Races
May 9, 2020
Milton, FL
Bear Bait Ultras
Jan 16, 2021
Port Allen, LA
Children of the Cane
Nov 14, 2020
Burns, TN
Mo' Bell
Oct 10, 2020
Oct 11, 2020
Escondido, CA
San Diego 50 and Trail Marathon
Jan 16, 2021
Port St Joe, FL
50 For Florida
Oct 10, 2020
Waxahachie, TX
Hachie 50
May 1, 2021
Palm Coast, FL
Oceans 50 Relay Race
Nov 7, 2020
Needville, TX
Brazos Bend 100
Dec 5, 2020
Brazos Bend 50
Apr 3, 2021
Wellsboro, PA
Pine Creek Challenge
Sep 11, 2021
Port Aransas, TX
Barrier Island Ultra
Nov 6, 2021
Corolla, NC
Light 2 Light 50
Feb 1, 2020
Belleville, WI
Badger Trail Races
Jul 31, 2021
Aug 1, 2021
Vienna, IL
Tunnel Hill 100
Nov 13, 2021
Nov 14, 2021
Lake Camanche, CA
Mokelumne River Trail Runs
Apr 20, 2019
Apr 19, 2019
Cordesville, SC
Wambaw Swamp Stomp
May 1, 2021
Gold Beach, OR
Secret Beach 100K/50M
Oct 3, 2020
Big Rapids, MI
Hungerford Games
Sep 25, 2021
Blairstown, NJ
NJ Ultra Festival
Mar 27, 2021
Richfield, UT
Crimson Canyons Ultra
Sep 18, 2021
Bald Head Island, NC
Badwater Cape Fear
Oct 2, 2021
Copeland, FL
Everglades Ultras
Mar 13, 2021
Penfield, PA
Quehanna 50
May 2, 2020
Theilman, MN
Zumbro
Apr 10, 2020
Apr 11, 2020
Palo Duro Canyon State Park, TX
Palo Duro Trail Run
Oct 17, 2020
Kansasville, WI
Wolf Pack Trail Run & Relay
Oct 9, 2021
Custer, SD
Lean Horse
Aug 15, 2020
Aug 16, 2020
Blodgett, OR
Marys Peak Trail Run
May 15, 2021
Parkdale, OR
Wy'east Wonder
Jun 12, 2021
Kyburz, CA
Lover's Leap of Faith
Jul 3, 2021
Monument Valley, UT
Monument Valley Ultra
Mar 6, 2021
Canal Fulton, OH
Get Lucky 50/50
Mar 20, 2021
Eagle Up Ultra
Jun 5, 2021
Coon Rapids, IA
Whiterock Ultra
Jul 10, 2021
Frater Lake, WA
Kaniksu Ultras
Jun 13, 2020
Jamestown, TN
Cumberland Plateau Stage Race
Aug 21, 2020
Montgomery Village, MD
Stone Mill 50M Run
Nov 14, 2020
Sedalia, CO
Indian Creek Fifties
Oct 16, 2021
Pinson, TN
Dream Chaser
Oct 5, 2019
St. Regis, MT
Trail Rail Run
Jun 12, 2021
Big Sky, MT
Herd Relays
Jul 11, 2020
Ida Grove, IA
Trail of the Dragon 50K/50M
Aug 14, 2021
Hewitt, NJ
Wawayanda Wonderful 100
Sep 12, 2020
Mountainburg, AR
Razorback Running Revival
Nov 6, 2021
Port Gamble, WA
Lumberjack Endurance Runs
Jun 13, 2020
Oct 17, 2020
Polebridge, MT
Le Grizz Ultramarathon
Oct 10, 2020
Pawhuska, OK
Flower Moon
May 15, 2021
Wakulla Springs, FL
Tallahassee Ultra Distance Classic
Dec 14, 2019
Lyndhurst, VA
Bel Monte Endurance Races
Mar 13, 2021
Strawn, TX
Hidden Hills Ultra
May 15, 2021
Fort Davis, TX
Southwest 100
Mar 27, 2021
Littlefield, AZ
Grandmaster Ultras
Feb 5, 2021
Ellsworth, KS
Rockin K Trail Runs
Apr 3, 2021
Fort Collins, CO
Quad Rock 50
May 8, 2021
Oroville, WA
Whistler Canyon 50
Sep 26, 2020
Mountain Center, CA
Beyond Limits Ultra
Apr 8, 2021
Blue River, OR
Old Cascadia
Jun 19, 2021
Poland, IN
OPSF50|50
Mar 27, 2021
Hazel Green, AL
Awesome Possum
Dec 7, 2019
South Cle Elum, WA
Cascade Super Ultra
Sep 25, 2021
Chesterfield, MA
Chesterfield Gorge Ultra and 25K Race
May 30, 2020
May 31, 2020
Upper Black Eddy, PA
Muleskinner
Oct 12, 2019
Runsylvania Family Run Fest
Oct 12, 2019
Oljato-Monument Valley, AZ
Monument Valley Ultra
Feb 29, 2020
La Sal, UT
UTE 100
Aug 13, 2021
Rising Fawn, GA
Chattanooga 100 Mile
Mar 13, 2021
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. Mokelumne River Trail Runs
-
Past DateApr 20, 2019Saturday
-
50M, 50K trail run
Race Web Page
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Lake Camanche, CA
Amador County, CA
2. Fiesta Grande Ultras
-
Past DateApr 27, 2019Saturday
-
24H, 100M, 100K, 50M run
More Information
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Las Cruces, NM
Dona Ana County, NM
3. NYARA Trail Series - Steep Rock
-
Past DateAug 3, 2019Saturday
-
50M, 50K, 25K, 10K trail run
More Information
-
Washington, CT
Litchfield County, CT
4. One Hot Momma
-
Past DateAug 10, 2019Saturday
-
50M, 50K, 25K, 8M trail run
Race Information
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Circleville, OH
Pickaway County, OH
5. Do-Wacka-Do Trail Runs
-
Past DateSep 7, 2019Saturday
-
50M, 50K, 25K, 5M trail run
Race Website
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Erick, OK
Beckham County, OK
6. Fall Stampede
-
Past DateSep 7, 2019Saturday
-
100M, 50M, 25M, 15M, 10M, 5M, 1M run
Race Web Page
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Tampa, FL
Hillsborough County, FL
7. Rebecca Mountain 50 Miler
-
Past DateSep 7, 2019Saturday
-
50M trail run
More Information
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Sylacauga, AL
Talladega County, AL
8. East Lake Ultra and 5K Cross Country Race
-
Past DateSep 21, 2019Saturday
-
100M, 50M, 5K trail run
More Information
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Osceola, IA
Clarke County, IA
9. Bluff Your Way Endurance Run
-
Past DateSep 22, 2019Sunday
-
12H, 50M, 50K, 26.2M, 13.1M run
More Information
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Perry, OH
Lake County, OH
10. Ocean to Sound 50 Mile Relay
-
Past DateSep 22, 2019Sunday
-
50M relay
More Information
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Wantagh, NY
Nassau County, NY
11. Dream Chaser
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Past DateOct 5, 2019Saturday
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100M, 100K, 50M, 50K, 26.2M, 13.1M, 10K, 5K, 1M run
More Information
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Pinson, TN
Madison County, TN
12. Flagstaff Sky Peaks Mountain Runs
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Past DateOct 5, 2019Saturday
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10K, 5K run | 50M, 50K, 25K, 10K, 5K trail run
More Information
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Flagstaff, AZ
Coconino County, AZ
13. Farmdale Trail Run
-
Past DateOct 12, 2019Saturday
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50M, 30M, 10M trail run
Race Website
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East Peoria, IL
Tazewell County, IL
14. Muleskinner
-
Past DateOct 12, 2019Saturday
-
50M, 50K, 26.2M trail run
Race Web Page
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Upper Black Eddy, PA
Bucks County, PA
15. Runsylvania Family Run Fest
-
Past DateOct 12, 2019Saturday
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50M, 50K, 26.2M, 13.1M, 10K, 5K run | kids run
More Information
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Upper Black Eddy, PA
Bucks County, PA
16. PALM100 Ultras
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CancelledOct 26, 2019Saturday
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100K, 50M, 50K, 32K run | 100K, 50K relay
Race Website
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Deerfield Beach, FL
Broward County, FL
17. Meadows Miler
-
On-Site RacePast DateNov 2, 2019SaturdayVirtual Option
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50M, 10K, 5K run
More Information
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Pennington, NJ
Mercer County, NJ
18. Saint Sebastian 100
-
Past DateNov 2, 2019Saturday
-
100M, 50M trail run
Race Website
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Sebastian, FL
Indian River County, FL
19. Zombie Ultras
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Past DateNov 2, 2019Saturday
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24H, 100M, 100K, 50M run
More Information
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Las Cruces, NM
Dona Ana County, NM
20. Awesome Possum
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Past DateDec 7, 2019Saturday
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50M, 50K, 26.2M, 26.2K, 13.1M, 10K, 5K run
More Information
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Hazel Green, AL
Madison County, AL
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.