May Ultras in the USA
Bloomington, MN
30 For Freedom
May 28, 2022
Nashville, IN
Dances With Dirt - Gnaw Bone
May 20, 2023
Bronx, NY
Van Cortlandt Park 50K
May 4, 2024
Portland, OR
Stumptown Trail Runs
May 29, 2023
May 27, 2023
Potosi, MO
Berryman Marathon & 50 Miler
May 20, 2023
Chillicothe, OH
The Big Deal at Great Seal
May 6, 2023
Fountain Hills, AZ
Adrenaline Night Runs
May 20, 2023
Bellingham, WA
Ski to Sea
May 28, 2023
Plainview, NY
Greenbelt Trail 50K
May 13, 2023
Bastrop, TX
Wildflower Trail Runs
May 6, 2023
May 7, 2023
Rochester, NY
Mind The Ducks 12 Hour
May 20, 2023
Bend, OR
Bend Beer Chase
May 6, 2023
New Paltz, NY
Rock The Ridge
May 6, 2023
Lutsen, MN
Superior Spring Trail Races
May 20, 2023
Athens, OH
Thunderbunny 50K
May 13, 2023
May 12, 2023
Waxhaw, NC
Waxhaw Trail Fest
May 6, 2023
Ft. Valley, VA
Massanutten Mountain Trails 100 Mile Run
May 20, 2023
Berkeley, CA
Grizzly Peak
May 13, 2023
Colorado Springs, CO
Ram Party
May 13, 2023
May 14, 2023
Valkyrie Trail Race
May 20, 2023
Fairmont, WV
EHQ Valley Falls 6 & 12 Hour
May 4, 2024
York, ME
Big A 50K Trail Race
May 6, 2023
Philadelphia, PA
Dirty German Endurance Fest
May 20, 2023
Terre Haute, IN
Hawthorn Half Day Relay & Ultra
May 27, 2023
Charlotte, NC
Time Laps
May 19, 2023
Park City, UT
Running with Ed
May 20, 2023
Stinson Beach, CA
Miwok 100K
May 4, 2024
Binghamton, NY
Loop the Lemur at the Ross Park Zoo
May 13, 2023
Folsom, CA
Folsom Lake Trail Run
May 6, 2023
Springville, UT
Unicorns Unleashed 55K
May 21, 2022
Traverse City, MI
Traverse City Trail Running Festival
May 13, 2023
May 12, 2023
Buena Vista, CO
Collegiate Peaks Trail Run
May 6, 2023
Pittsfield, VT
Peak Bloodroot Ultra
May 10, 2024
May 11, 2024
May 8, 2024
Graham, TX
Hidden Hills Ultra
May 6, 2023
McMinnville, OR
The Race to Space
May 13, 2023
Laramie, WY
Wyoming Marathon Races
May 28, 2023
Key West, FL
KEYS100
May 20, 2023
Columbia, SC
Firebreak Running Festival
May 13, 2023
Bishop, CA
Bishop High Sierra Ultras
May 20, 2023
Dousman, WI
Bunk House Trail Runs
May 27, 2023
Winder, GA
Fort Yargo Ultra
May 20, 2023
Holly, MI
Ode to the Night
May 6, 2023
Fabius, NY
Highland Forest 1-2-3 Trail Run
May 27, 2023
Pittsburgh, PA
Miles 2 Meals 100 Mile Relay
May 20, 2023
Cleveland Heights, OH
The Forgotten
May 13, 2023
Smyrna, GA
Underground Circus 100
May 27, 2023
Winthrop, WA
Sun Mountain
May 20, 2023
May 21, 2023
May 13, 2023
Thurmond, WV
Highball to Thurmond Ultra
May 21, 2023
Galena, IL
Galena Sky Trail Race
May 20, 2023
San Francisco, CA
San Francisco 50 Miler
May 20, 2023
Fall River, MA
Watuppa Trail Races
May 13, 2023
Corvallis, OR
McDonald Forest 50K Trail Run
May 6, 2023
Charleston, WV
Middle Ridge Monster 8H Run
May 13, 2023
Pasadena, CA
Pasadena Running Company 50K Relay
May 28, 2023
Lone Pine, CA
Wild Wild West Marathon
May 6, 2023
La Grange, WI
Ice Age Trail Run
May 13, 2023
Pollock Pines, CA
Trail Run at Sly Park
May 11, 2024
Watford City, ND
MDH Buck Fifty Ultra Endurance Race
May 1, 2023
Brandenburg, KY
Ragnar Trail Kentucky
May 19, 2023
Chelsea, MI
Island Time
May 5, 2023
May 6, 2023
San Diego, CA
PCT 50
May 11, 2024
Los Alamos, NM
Jemez Mountain Trail Runs
May 20, 2023
North Little Rock, AR
Feel The Burn Trail Runs
May 27, 2023
Millburn, NJ
Mayapple Trail Run
May 13, 2023
Des Moines, IA
Market to Market Relay - Iowa
May 20, 2023
Wartrace, TN
Strolling Jim Run
May 6, 2023
New Gloucester, ME
Trail Festival at Pineland Farms
May 27, 2023
May 28, 2023
West Milford, NJ
Highlands Trail Festival
May 14, 2022
Faribault, MN
Maple Syrup Fun Run
May 4, 2024
Pelham, AL
Runk the Gap
May 12, 2023
Yellow Springs, OH
Tie Dye 50K
May 20, 2023
Portersville, PA
Glacier Ridge Trail Ultra
May 13, 2023
Wendover, UT
Salt Flats Endurance Runs
May 3, 2024
Graford, TX
Possums Revenge
May 20, 2023
Windsor, CO
Weld Your Mettle Ultra Marathon
May 27, 2023
Pine, AZ
Pine Trail Run
May 4, 2024
Blue Ridge, GA
Cruel Jewel 100
May 19, 2023
Cruel Jewel 50
May 20, 2023
Dover, OH
Running With My Gnomies
May 13, 2023
Susanville, CA
Paiute Meadows Trail Run
May 13, 2023
Cortland, NY
Finger Lakes P2B Relay
May 20, 2023
Boiling Springs, PA
Bubbletown What The Duck Ultra
May 27, 2023
Ashburnham, MA
Wapack and Back Trail Races
May 13, 2023
Burnet, TX
Spider Mountain Trail Race
May 13, 2023
Wellsboro, PA
Hills Creek Endurance Challenge
May 6, 2023
Richfield, OH
HIgh Lea 6/12/24
May 20, 2023
Norfolk, NE
Relay for Malawi
May 27, 2023
East Ridge, TN
Locomotion Endurance 6/12/24
May 6, 2023
Seaside, OR
100K Relay on the Prom
May 27, 2022
Rush City, MN
Growing Green Challenge
May 27, 2023
May 28, 2023
Burnsville, NC
Quest For The Crest Trail Races
May 20, 2023
Eldridge, IA
Corn Belt Running Club 24 Hour Run
May 6, 2023
Ashford, CT
Camp Challenge
May 20, 2023
Cordesville, SC
Wambaw Swamp Stomp
May 11, 2024
Black Canyon City, AZ
Cocodona 250
May 6, 2024
Trail, OR
Lost Creek Trail Run
May 6, 2023
Fremont, NE
Crown of the Crest
May 20, 2023
Pittsburg, TX
East Texas Ultra
May 20, 2023
Mt. Carmel, UT
Ragnar Trail Relay - Zion
May 12, 2023
Ridgeland, SC
Patriots Run Trail Walk/Run
May 5, 2024
Jefferson, IA
Market to Market Relay - Iowa
May 20, 2023
Larkspur, CO
Greenland Trail Races
May 4, 2024
Sharon Hill, PA
Dawn to Dusk to Dawn Ultras
May 13, 2023
Quanah, TX
Chupacabra 50
May 4, 2024
Stearns, KY
Yamacraw Trail Runs
May 20, 2023
May 21, 2023
Pawhuska, OK
Flower Moon
May 13, 2023
Mt. Vernon, IA
Palisades Punisher or Promenade
May 6, 2023
Divide, CO
Endure Trail Runs
May 18, 2024
Fort Wayne, IN
Armed Forces Endurance Run
May 20, 2023
Fort Collins, CO
Quad Rock 50
May 11, 2024
Portageville, NY
Sehgahunda Trail Marathon & Relay
May 20, 2023
May 21, 2023
Hatch, UT
Bryce Canyon Ultras
May 18, 2024
Gold Bar, WA
Wallace Falls Trail Run
May 20, 2023
Stockton, UT
Connor's Claims
May 20, 2023
Quincy, CA
Greenhorn Ranch Trail Run
May 20, 2023
Cherry Creek, NY
Hoof It on the Hill
May 13, 2023
Grayson Highlands State Park, VA
Grayson Highlands
May 5, 2024
May 4, 2024
Tomkins Cove, NY
Spartan Trail - Bear Mountain Trail Challenge
May 6, 2023
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. MDH Buck Fifty Ultra Endurance Race
-
Past DateMay 1, 2023Monday
-
150M run
More Information
-
Watford City, ND
McKenzie County, ND
2. Salt Flats Endurance Runs
-
May 3, 2024Friday
-
100M, 50M, 50K, 5K run
More Information
-
Wendover, UT
Tooele County, UT
3. Chupacabra 50
-
May 4, 2024Saturday
-
52M, 50K, 17K trail run
More Information
-
Quanah, TX
Hardeman County, TX
4. EHQ Valley Falls 6 & 12 Hour
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May 4, 2024Saturday
-
12H, 6H trail run
More Information
-
Fairmont, WV
Marion County, WV
5. Grayson Highlands
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May 4, 2024Saturday
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50M, 50K trail run
More Information
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Grayson Highlands State Park, VA
Grayson County, VA
6. Greenland Trail Races
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May 4, 2024Saturday
-
50K, 25K, 8M, 4M trail run
More Information
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Larkspur, CO
Douglas County, CO
7. Hacienda Hills Run
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May 4, 2024Saturday
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50K, 26.2M, 13.1M, 9M, 10K, 5K trail run
More Information
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San Jose, CA
Santa Clara County, CA
8. Maple Syrup Fun Run
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May 4, 2024Saturday
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50K, 25K, 10K, 5K, 1M trail run
More Information
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Faribault, MN
Rice County, MN
9. Miwok 100K
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May 4, 2024Saturday
-
100K trail run
More Information
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Stinson Beach, CA
Marin County, CA
10. Pine Trail Run
-
May 4, 2024Saturday
-
50K, 9M, 5K trail run
More Information
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Pine, AZ
Gila County, AZ
11. Van Cortlandt Park 50K
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May 4, 2024Saturday
-
50K run
More Information
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Bronx, NY
Bronx County, NY
12. Island Time
-
Past DateMay 5, 2023Friday
-
24H trail run
More Information
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Chelsea, MI
Washtenaw County, MI
13. Patriots Run Trail Walk/Run
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May 5, 2024Sunday
-
50K, 30K, 10K trail run
More Information
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Ridgeland, SC
Jasper County, SC
14. Bend Beer Chase
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Past DateMay 6, 2023Saturday
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55M relay
More Information
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Bend, OR
Deschutes County, OR
15. Big A 50K Trail Race
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Past DateMay 6, 2023Saturday
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50K trail run
More Information
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York, ME
York County, ME
16. Cocodona 250
-
May 6, 2024Monday
-
250M trail run
More Information
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startBlack Canyon City, AZfinishFlagstaff, AZCoconino County, AZYavapai County, AZ
17. Collegiate Peaks Trail Run
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Past DateMay 6, 2023Saturday
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50M, 25M trail run
More Information
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Buena Vista, CO
Chaffee County, CO
18. Corn Belt Running Club 24 Hour Run
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Past DateMay 6, 2023Saturday
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24H run
More Information
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Eldridge, IA
Scott County, IA
19. Folsom Lake Trail Run
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Past DateMay 6, 2023Saturday
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50K, 30K, 13.1M, 10K trail run
More Information
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Folsom, CA
Sacramento County, CA
20. Hidden Hills Ultra
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Past DateMay 6, 2023Saturday
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50M, 26.2M, 13.1M, 10K, 5K trail run
More Information
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Graham, TX
Young County, TX
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.