May Ultras in the USA
Bronx, NY
Van Cortlandt Park 50K
May 3, 2025
Rochester, NY
Mind The Ducks 12 Hour
May 11, 2024
Terre Haute, IN
Hawthorn Half Day Relay & Ultra
May 25, 2024
Key West, FL
KEYS100
May 18, 2024
Smyrna, GA
Underground Circus 100
May 25, 2024
Watford City, ND
MDH Buck Fifty Ultra Endurance Race
May 1, 2024
Wartrace, TN
Strolling Jim Run
May 4, 2024
Davenport, IA
Corn Belt Running Club 24 Hour Run
May 4, 2024
Wendover, UT
Salt Flats Endurance Runs
May 2, 2025
Boiling Springs, PA
Bubbletown What The Duck Ultra
May 25, 2024
Eagle Mountain, UT
Honor the Fallen Ruck/Run
May 26, 2024
Richfield, OH
HIgh Lea 6/12/24
May 18, 2024
Kendallville, IN
Armed Forces Endurance Run
May 18, 2024
Ashford, CT
Camp Challenge
May 18, 2024
Sharon Hill, PA
Dawn to Dusk to Dawn Ultras
May 11, 2024
College Grove, TN
Sgt David Hierholzer Memorial Day 50K
May 27, 2024
Portageville, NY
Sehgahunda Trail Marathon & Relay
May 18, 2024
May 19, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. MDH Buck Fifty Ultra Endurance Race
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Past DateMay 1, 2024Wednesday
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300M, 150M run | 300M, 150M relay
More Information
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Watford City, ND
McKenzie County, ND
2. Salt Flats Endurance Runs
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May 2, 2025Friday
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100M, 50M, 50K, 5K run
More Information
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Wendover, UT
Tooele County, UT
3. Van Cortlandt Park 50K
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May 3, 2025Saturday
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50K run
More Information
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Bronx, NY
Bronx County, NY
4. Corn Belt Running Club 24 Hour Run
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Past DateMay 4, 2024Saturday
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24H run
More Information
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Davenport, IA
Scott County, IA
5. Strolling Jim Run
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Past DateMay 4, 2024Saturday
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41.2M, 26.2M, 13.1M, 10K run
More Information
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Boston Marathon Qualifier
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Wartrace, TN
Bedford County, TN
6. Dawn to Dusk to Dawn Ultras
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Past DateMay 11, 2024Saturday
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24H, 12H, 50K run
Virtual OptionMore Information
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Sharon Hill, PA
Delaware County, PA
7. Mind The Ducks 12 Hour
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Past DateMay 11, 2024Saturday
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12H run
More Information
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Rochester, NY
Monroe County, NY
8. 3 Days at the Fair
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Past DateMay 13, 2024Monday
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144H, 50K, 26.2M run
More Information
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Augusta, NJ
Sussex County, NJ
9. 3 Days at the Fair
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Past DateMay 16, 2024Thursday
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72H, 50K, 26.2M run
More Information
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Augusta, NJ
Sussex County, NJ
10. 3 Days at the Fair
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Past DateMay 17, 2024Friday
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48H, 50K, 26.2M run
More Information
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Augusta, NJ
Sussex County, NJ
11. Runstock Ultra
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Past DateMay 17, 2024Friday
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44H, 26.2M, 13.1M, 10K, 5K run
More Information
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Kaiser, MO
Miller County, MO
12. 3 Days at the Fair
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Past DateMay 18, 2024Saturday
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24H, 12H, 6H, 50K, 26.2M run
More Information
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Augusta, NJ
Sussex County, NJ
13. Armed Forces Endurance Run
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Past DateMay 18, 2024Saturday
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12H, 8H, 4H run | 12H, 8H relay
More Information
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Kendallville, IN
Noble County, IN
14. Camp Challenge
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Past DateMay 18, 2024Saturday
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5K run | 6H trail run
More Information
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Ashford, CT
Windham County, CT
15. HIgh Lea 6/12/24
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Past DateMay 18, 2024Saturday
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24H, 100M, 12H, 6H run
More Information
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Richfield, OH
Summit County, OH
16. KEYS100
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Past DateMay 18, 2024Saturday
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100M, 50M, 50K run | 100M relay
More Information
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Key West, FL
Monroe County, FL
17. Sehgahunda Trail Marathon & Relay
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Past DateMay 18, 2024Saturday
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72K run | 26.3M trail run | 26.3M relay
Virtual OptionMore Information
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Portageville, NY
Wyoming County, NY
18. Bubbletown What The Duck Ultra
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May 25, 2024Saturday
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12H run
More Information
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Boiling Springs, PA
Cumberland County, PA
19. Hawthorn Half Day Relay & Ultra
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May 25, 2024Saturday
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12H, 6H run | 12H, 6H relay
More Information
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Terre Haute, IN
Vigo County, IN
20. Underground Circus 100
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May 25, 2024Saturday
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36H, 24H, 100M, 12H, 50M, 40M, 6H, 30M run
More Information
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Smyrna, GA
Cobb County, GA
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.