May Ultras in the USA
Virginia Beach, VA
Biffledinked 10 x 5K
May 22, 2021
Blacksburg, VA
Gateway 50K & 25K
May 2, 2020
Sausalito, CA
San Francisco 50 Miler
May 16, 2020
Nashville, IN
Dances With Dirt - Gnaw Bone, IN
May 22, 2021
Potosi, MO
Berryman Marathon & 50 Miler
May 16, 2020
Dallas, TX
RunOrDrop 50K/30K
May 18, 2019
Fountain Hills, AZ
Adrenaline Night Runs
May 16, 2020
Bainbridge Island, WA
Battle Point Endurance Run
May 2, 2020
Fremont, CA
Ohlone 50K Trail Run
May 16, 2021
Bellingham, WA
Lost Lake 50K
May 2, 2020
Ski to Sea
May 24, 2020
Bastrop, TX
Wildflower Trail Runs
May 8, 2021
May 9, 2021
Rochester, NY
Mind The Ducks 12 Hour
May 9, 2020
New Paltz, NY
Rock The Ridge
May 2, 2020
Sep 26, 2020
Ft. Valley, VA
Massanutten Mountain Trails 100 Mile Run
May 16, 2020
Berkeley, CA
Grizzly Peak
May 9, 2020
Colorado Springs, CO
Cheyenne Mountain Ultra 10x5k
May 2, 2020
Cheyenne Mountain Trail Race
May 16, 2020
York, ME
Big A 50K
May 1, 2021
San Jose, CA
Quicksilver Endurance Runs
May 8, 2021
Terre Haute, IN
Hawthorn Half Day Relay & Ultra
May 16, 2020
Charlotte, NC
Time Laps
May 8, 2020
Oct 23, 2020
Issaquah, WA
Tiger Mountain Trail Run
May 16, 2020
Park City, UT
Running with Ed
May 22, 2021
Guntersville, AL
Sweet Southern Discomfort - Alabama
May 25, 2020
Richland, WA
Badger Mountain Challenge
May 29, 2020
Stinson Beach, CA
Miwok 100K
May 1, 2021
Pacifica, CA
Devils Slide Trail Run
May 22, 2021
Traverse City, MI
Lighthouse 100
May 30, 2020
Buena Vista, CO
Collegiate Peaks Trail Run
May 2, 2020
May 1, 2021
Los Gatos, CA
Big Basin - Skyline to the Sea
May 31, 2020
Charlottesville, VA
UROC 100K, Uber Rock 50K & Cruxy 25K
May 1, 2021
Tacoma, WA
Tacoma City Marathon Weekend Running Festival
May 2, 2020
May 3, 2020
Rainier to Ruston Rail-Trail Relay
May 30, 2020
Willoughby Hills, OH
CLE Trail Challenge
May 11, 2019
Laramie, WY
Wyoming Marathon Races
May 24, 2020
Sep 6, 2020
Key West, FL
KEYS100
May 16, 2020
May 15, 2021
Madison, WI
Ragnar Great Midwest
May 15, 2020
Waukegan, IL
Ragnar Great Midwest
May 15, 2020
Huntington, WV
Salamander State Marathon
May 31, 2021
Columbia, SC
Firebreak Ultra and FKT Challenge
May 15, 2021
Munising, MI
Rock River Canyon 50K
May 24, 2020
Bishop, CA
Bishop High Sierra Ultras
May 22, 2021
Loveland, CO
Run the Ranch
May 29, 2020
May 30, 2020
Brooksville, FL
Anti-Hero Championship Trail Races
May 25, 2019
Louisville, KY
Outrunning Autism 5K
May 30, 2020
Jul 11, 2020
Dousman, WI
Bunk House Trail Runs
May 23, 2020
Jul 25, 2020
Fabius, NY
Highland Forest 1-2-3 Trail Run
May 30, 2020
Cleveland Heights, OH
The Forgotten
May 30, 2020
Galena, IL
Galena Sky Trail Race
May 15, 2021
Paso Robles, CA
Silver Moon Race
May 29, 2021
Fall River, MA
Watuppa Trail Races
May 17, 2020
Corvallis, OR
McDonald Forest 50K Trail Run
May 9, 2020
Lone Pine, CA
Wild Wild West Marathon
May 1, 2021
Brighton, MI
Island Time
May 7, 2021
May 8, 2021
La Grange, WI
Ice Age Trail Run
May 8, 2021
Delaware, OH
Playin' Possum 50K
May 23, 2020
Pollock Pines, CA
Trail Run at Sly Park
May 9, 2020
Clayton, CA
Mt Diablo Trail Run
May 16, 2020
Guerneville, CA
Armstrong Redwoods Trail Run
May 1, 2021
Brandenburg, KY
Ragnar Trail Kentuckiana
May 15, 2020
Palo Alto, CA
Horseshoe Lake
May 3, 2020
San Diego, CA
PCT 50
May 15, 2021
Los Alamos, NM
Jemez Mountain Trail Runs
May 22, 2021
Millburn, NJ
Mayapple Trail Run
May 16, 2020
Des Moines, IA
Market to Market Relay - Iowa
May 8, 2021
Wartrace, TN
Strolling Jim Run
May 1, 2021
Ludington, MI
Veterans Memorial 150
May 29, 2021
Ithaca, NY
Cayuga Trails 50
May 30, 2020
Jul 18, 2020
Baltimore, MD
Herring Run 6H Race
May 16, 2020
Trabuco Canyon, CA
Baldy Marathons
May 9, 2020
Yellow Springs, OH
Tie Dye 50K
May 9, 2020
May 9, 2020
Terrebonne, OR
Smith Rock Ascent
May 16, 2020
Portersville, PA
Glacier Ridge Trail Ultra
May 16, 2020
Wendover, UT
Salt Flats Endurance Runs
May 1, 2020
North Berwick, ME
Balata Capacity Relay
May 4, 2019
Graford, TX
Possum's Revenge
May 22, 2021
Pine, AZ
Pine Trail Run
May 2, 2020
Blue Ridge, GA
Cruel Jewel 100
May 15, 2020
Cruel Jewel 50
May 16, 2020
Dover, OH
Running With My Gnomies
May 9, 2020
Susanville, CA
Paiute Meadows Trail Run
May 9, 2020
Buckeye, AZ
Hotfoot Hamster
May 2, 2020
Jul 25, 2020
Ashburnham, MA
Wapack and Back Trail Races
May 9, 2020
Calhoun, GA
Sweet Southern Discomfort - Georgia
May 23, 2020
Burnet, TX
Spartan Trail
May 16, 2021
Waxahachie, TX
Hachie 50
May 1, 2021
Hixson, TN
Locomotion 10
May 16, 2020
East Ridge, TN
Sweet Southern Discomfort - Tennessee
May 24, 2020
Rush City, MN
Growing Green Challenge
May 23, 2020
May 24, 2020
Kanab, UT
Grand to Grand Ultra
May 16, 2021
St. Francisville, LA
Beast For A Day
May 23, 2020
Eldridge, IA
Corn Belt Running Club 24 Hour Run
May 2, 2020
Cordesville, SC
Wambaw Swamp Stomp
May 1, 2021
Prineville, OR
Ochoco Trail Runs
May 24, 2020
Trail, OR
Lost Creek Trail Runs
May 2, 2020
Penfield, PA
Quehanna 50
May 2, 2020
Priest Lake, ID
Priest Lake Marathon and 50K
May 9, 2020
Sep 26, 2020
Jefferson, IA
Market to Market Relay - Iowa
May 8, 2021
Blodgett, OR
Marys Peak Trail Run
May 15, 2021
Sharon Hill, PA
Dawn to Dusk to Dawn Ultras
May 9, 2020
Rockwood, TN
Ozone Endurance Challenge
May 27, 2020
Cloudcroft, NM
Cloudcroft Ultra Trail Race
May 16, 2020
Booneville, IA
Booneville Backroads Ultra
May 23, 2020
Sep 5, 2020
La Crosse, VA
Thoroughbred Races
May 9, 2020
Pawhuska, OK
Flower Moon
May 15, 2021
Strawn, TX
Hidden Hills Ultra
May 15, 2021
Fort Collins, CO
Quad Rock 50
May 9, 2020
Aug 15, 2020
Elkhart, KS
Okie Relays
May 16, 2020
May 16, 2020
Proctorville, OH
Bobcat Marathon
May 30, 2021
Chesterfield, MA
Chesterfield Gorge Ultra and 25K Race
May 30, 2020
May 31, 2020
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. Armstrong Redwoods Trail Run
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May 1, 2021Saturday
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50K, 30K, 17K, 9K, 5K trail run
More Information
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Guerneville, CA
Sonoma County, CA
2. Big A 50K
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May 1, 2021Saturday
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50K trail run
Race Website
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York, ME
York County, ME
3. Hachie 50
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May 1, 2021Saturday
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50M, 50K, 26.2M run | 50M relay | kids run
More Information
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Boston Marathon Qualifier
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Waxahachie, TX
Ellis County, TX
4. Miwok 100K
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May 1, 2021Saturday
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100K trail run
Race Website
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Stinson Beach, CA
Marin County, CA
5. Salt Flats Endurance Runs
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CancelledMay 1, 2020Friday
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100M, 50M, 50K run
More Information
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Wendover, UT
Tooele County, UT
6. Strolling Jim Run
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May 1, 2021Saturday
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41.2M, 26.2M, 13.1M, 10K run
Race Information
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Boston Marathon Qualifier
-
Wartrace, TN
Bedford County, TN
7. Tillamook Burn Trail Run - 50M
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May 1, 2021Saturday
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50M trail run
Race Web Page
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Timber, OR
Washington County, OR
8. UROC 100K, Uber Rock 50K & Cruxy 25K
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May 1, 2021Saturday
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100K, 50K, 25K trail run
Race Website
- Charlottesville, VA
9. Wambaw Swamp Stomp
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May 1, 2021Saturday
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50M, 50K trail run | 50M, 50K relay
More Information
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Cordesville, SC
Berkeley County, SC
10. Wild Wild West Marathon
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On-Site RaceMay 1, 2021SaturdayVirtual OptionVirtual Option
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50M, 50K, 26.2M, 10M trail run
Race Web Page
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Lone Pine, CA
Inyo County, CA
11. Battle Point Endurance Run
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CancelledMay 2, 2020Saturday
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12H, 10H, 8H, 6H, 4H, 2H run
Race Website
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Bainbridge Island, WA
Kitsap County, WA
12. Cheyenne Mountain Ultra 10x5k
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CancelledMay 2, 2020Saturday
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50K, 5K run | 50K, 5K trail run | 50K relay
Race Information
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Colorado Springs, CO
El Paso County, CO
13. Collegiate Peaks Trail Run
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CancelledMay 2, 2020SaturdayTentativeDeferredMay 1, 2021Saturday
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50M, 25M trail run
More Information
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Buena Vista, CO
Chaffee County, CO
14. Corn Belt Running Club 24 Hour Run
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CancelledMay 2, 2020Saturday
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24H run
More Information
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Eldridge, IA
Scott County, IA
15. Gateway 50K & 25K
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CancelledMay 2, 2020Saturday
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50K, 25K trail run
Race Web Page
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Blacksburg, VA
Montgomery County, VA
16. Hotfoot Hamster
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CancelledMay 2, 2020SaturdayRescheduledJul 25, 2020Saturday
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24H, 12H, 6H run
More Information
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Buckeye, AZ
Maricopa County, AZ
17. Lost Creek Trail Runs
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CancelledMay 2, 2020Saturday
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50K, 30K, 5K trail run | 30K relay
More Information
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Trail, OR
Jackson County, OR
18. Lost Lake 50K
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CancelledMay 2, 2020Saturday
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50K, 25K trail run
Race Website
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Bellingham, WA
Whatcom County, WA
19. Maple Syrup Fun Run
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On-Site RaceCancelledMay 2, 2020SaturdayCancelledRescheduledSep 19, 2020SaturdayVirtual OptionVirtual Option
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50K, 25K, 10K, 5K, 1M trail run
More Information
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Faribault, MN
Rice County, MN
20. Pine Trail Run
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CancelledMay 2, 2020Saturday
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50K, 9M, 5K trail run
More Information
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Pine, AZ
Gila County, AZ
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.