March 50Ms in the USA
Sausalito, CA
Marin Ultra Challenge
Mar 9, 2024
Lake Texoma, TX
Cross Timbers Trail Run
Mar 2, 2024
Alexander City, AL
Lake Martin 100
Mar 16, 2024
Saint George, UT
Lake to Lake Relay and Ultra
Mar 1, 2025
Boulder City, NV
Blood, Sweat & Beers
Mar 30, 2024
Richland, WA
Badger Mountain Challenge
Mar 22, 2024
Syracuse, UT
Antelope Island Buffalo Run
Mar 29, 2024
Henderson, NV
Trail Trashed
Mar 23, 2024
Moab, UT
Behind the Rocks
Mar 23, 2024
Graham, TX
Hidden Hills Ultra
Mar 23, 2024
Charlottesville, VA
Bel Monte Endurance Races
Mar 9, 2024
Decatur, TX
Grasslands Trail Run
Mar 16, 2024
Memphis, TN
Big Buffalo 50
Mar 23, 2024
Waddell, AZ
Mesquite Canyon Trail Runs
Mar 9, 2024
Grand Rivers, KY
Land Between the Lakes Trail Runs
Mar 9, 2024
Decatur, AL
Delano Park
Mar 2, 2024
West Orange, NJ
Squatchapple Trail Race
Mar 9, 2024
Sonoita, AZ
Old Pueblo Endurance Runs
Mar 2, 2024
Rocksprings, TX
J&J Race & Trail Running Reunion
Mar 8, 2025
Bald Head Island, NC
Badwater Cape Fear
Mar 23, 2024
Canal Fulton, OH
Get Lucky 50/50
Mar 15, 2025
Poland, IN
OPSF50|50
Mar 23, 2024
Fifty-Six, AR
Three Days of Syllamo Stage Race
Mar 15, 2024 - Day One
Mar 16, 2024 - Day Two
Mar 17, 2024 - Day Three
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Lake to Lake Relay and Ultra
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Mar 1, 2025Saturday
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50M run | 50M relay
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Saint George, UT
Washington County, UT
2. Lake Vian Hilltop Run
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Mar 1, 2025Saturday
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100K, 50M, 50K, 26.2M, 13.1M, 4M run
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Vian, OK
Sequoyah County, OK
3. Mississippi 50 Trail Run
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Mar 1, 2025Saturday
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100M, 50M, 50K, 20K trail run
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Laurel, MS
Jones County, MS
4. Border to Badlands Ultra
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Past DateMar 2, 2024Saturday
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50M, 50K, 26.2M, 13.1M, 10K, 5K trail run
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- Comstock, TX
5. Cross Timbers Trail Run
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Past DateMar 2, 2024Saturday
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50M, 26.2M, 13.1M, 5M trail run
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Lake Texoma, TX
Grayson County, TX
6. Delano Park
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Past DateMar 2, 2024Saturday
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50M run | 12H relay
More Information
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Decatur, AL
Morgan County, AL
7. Old Pueblo Endurance Runs
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Past DateMar 2, 2024Saturday
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100M, 75M, 50M, 25M trail run
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Sonoita, AZ
Santa Cruz County, AZ
8. Antelope Canyon Ultra Marathons
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Mar 8, 2025Saturday
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100M, 50M, 55K, 13.1M trail run
More Information
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Page, AZ
Coconino County, AZ
9. J&J Race & Trail Running Reunion
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Mar 8, 2025Saturday
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50M, 30M, 20M, 10M, 4M trail run | 20M relay | kids run
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Rocksprings, TX
Edwards County, TX
10. Bel Monte Endurance Races
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Past DateMar 9, 2024Saturday
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50M, 50K, 25K trail run
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- Charlottesville, VA
11. Land Between the Lakes Trail Runs
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Past DateMar 9, 2024Saturday
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50M, 60K, 26.2M, 23K trail run
More Information
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Grand Rivers, KY
Livingston County, KY
12. Marin Ultra Challenge
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Past DateMar 9, 2024Saturday
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50M, 50K, 25K trail run
More Information
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Sausalito, CA
Marin County, CA
13. Mesquite Canyon Trail Runs
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Past DateMar 9, 2024Saturday
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50M, 50K, 30K, 13.1M, 8K trail run
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Waddell, AZ
Maricopa County, AZ
14. Mountains to Sea Trail 100 Endurance Run
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Past DateMar 9, 2024Saturday
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100M, 50M, 50K trail run
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Durham, NC
Durham County, NC
15. Pistol Ultra Run
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Past DateMar 9, 2024Saturday
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100M, 100K, 50M, 50K run
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Alcoa, TN
Blount County, TN
16. Squatchapple Trail Race
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Past DateMar 9, 2024Saturday
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50M, 33M, 20M, 11M trail run
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West Orange, NJ
Essex County, NJ
17. Get Lucky 50/50
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Mar 15, 2025Saturday
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50M, 50K, 25K run
More Information
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Canal Fulton, OH
Stark County, OH
18. Grasslands Trail Run
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Past DateMar 16, 2024Saturday
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100M, 50M, 26.2M, 13.1M, 15K trail run
More Information
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Decatur, TX
Wise County, TX
19. Lake Martin 100
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Past DateMar 16, 2024Saturday
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100M, 50M, 27M trail run
More Information
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Alexander City, AL
Tallapoosa County, AL
20. Three Days of Syllamo Stage Race
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Past DateMar 16, 2024SaturdayDay Two
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50M trail run
More Information
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Fifty-Six, AR
Stone County, AR
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.