100M Relays in the USA
City Location
Featured Listing
1. Rabid Raccoon 100
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Past DateMar 14, 2024ThursdayMar 15, 2025Saturday1 more
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100M, 100K, 13.1M, 5K trail run | 100M relay | 5K obstacle run
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Beaver Falls, PA
Beaver County, PA
1. Grit Ultra Endurance Challenge
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Past DateDec 31, 2023Sunday
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100M, 100K, 50M, 50K run | last man standing | 100M, 100K, 50M, 50K relay
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West Columbia, TX
Brazoria County, TX
2. Silver Moon Race: Paso Robles - Paso Robles
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Past DateFeb 24, 2024Saturday
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24H, 100M, 12H, 6H, 10K, 2M trail run | 24H, 100M, 12H, 6H relay
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Paso Robles, CA
San Luis Obispo County, CA
3. Miles 2 Meals 100 Mile Relay
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Past DateMay 18, 2024Saturday
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100M relay
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Pittsburgh, PA
Allegheny County, PA
4. Burning River 100 Mile Endurance Run
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Past DateJul 27, 2024Saturday
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100M, 50M run | 100M relay
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Cuyahoga Falls, OH
Summit County, OH
5. Lean Horse
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Past DateAug 16, 2024Friday
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100M trail run | 100M relay
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Custer, SD
Custer County, SD
6. Booneville Backroads Ultra
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Past DateAug 31, 2024Saturday
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100M, 100K, 50K, 10K run | 50K relay
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Booneville, IA
Dallas County, IA
7. Pine Creek Challenge
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Past DateSep 7, 2024Saturday
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100M, 100K, 50M, 26.2M trail run | 100M relay
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Wellsboro, PA
Tioga County, PA
8. Cowboy 200
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Past DateSep 13, 2024FridayStart in Nofolk, NE
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200M, 100M trail run | 200M relay
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startNorfolk, NEfinishValentine, NECherry County, NEMadison County, NE
9. Cowboy 200
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Past DateSep 14, 2024SaturdayStart in Atkinson, NE
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200M, 100M trail run | 200M relay
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startNorfolk, NEfinishValentine, NECherry County, NEMadison County, NE
10. Flagstaff to Grand Canyon Stagecoach Line 100 Mile, 55K & Relays
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Sep 21, 2024Saturday
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100M, 55K trail run | 100M, 55K relay
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Flagstaff, AZ
Coconino County, AZ
11. Cloudsplitter 100
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Oct 12, 2024Saturday
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100M, 100K, 50K, 25K trail run | 100M relay
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- Norton, VA
12. Hainesport Endurance Run
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Oct 12, 2024Saturday
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48H, 24H, 100M, 12H run | 24H, 12H relay
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Hainesport, NJ
Burlington County, NJ
13. Mo' Bell
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Oct 12, 2024Saturday
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24H, 100M, 75M, 12H, 100K, 50M, 50K, 26.2M, 13.1M, 10K, 5K, 1M run | 24H, 12H relay
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Burns, TN
Dickson County, TN
14. Virginia Trail Running Festival
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Oct 12, 2024Saturday
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100M, 50M, 10M trail run | 100M relay
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Fries, VA
Grayson County, VA
15. Survival of the F.I.T.test 24 Hour Trail Ultra
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Oct 19, 2024Saturday
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24H, 100M, 100K, 50K trail run | 24H relay
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Cumberland, RI
Providence County, RI
16. UnitedAF Ultramarathon
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Oct 19, 2024Saturday
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100M, 100K, 50M, 50K run | 100M relay
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Lima, OH
Allen County, OH
17. Deadman Peaks Trail Run
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Nov 2, 2024Saturday
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100M, 53M, 55K, 30K, 8M trail run | 100M, 53M relay
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Cuba, NM
Sandoval County, NM
18. Daytona 100 Ultra
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Dec 14, 2024Saturday
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100M, 50M, 50K run | 100M relay
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Jacksonville Beach, FL
Duval County, FL
19. New Year's One Day
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Dec 31, 2024Tuesday
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24H, 100M, 12H, 6H run | 24H, 12H, 6H relay
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San Jose, CA
Santa Clara County, CA
20. Frozen: H3
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Jan 11, 2025Saturday
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100M, 100K, 60K, 16.3M trail run | 100M relay
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Bethera, SC
Berkeley County, SC
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.