2021 Biggest ultra running races
By finisher count. North American races only.| Finishers | Event | Winner |
|---|---|---|
|
1
|
The Country MileApr 10 / Backyard
/ Slater-Marietta SC
|
|
|
1
|
Pullman Winter Ultras - DecDec 04 / 50 KM
/ Pullman WA
|
|
|
1
|
Hell Hole HundredJun 05 / 100 KM
/ Bethera SC
|
|
|
1
|
tBunk Endurance ChallengeNov 12 / 200 Miles
/ LaGrange WI
|
|
|
1
|
Double Top Stone AnvilApr 15 / 72 Hours
/ Chatsworth GA
|
|
|
1
|
Double Top Stone AnvilApr 17 / 12 Hours
/ Chatsworth GA
|
|
|
1
|
Pigtails ChallengeMay 28 / 150 Miles
/ Renton WA
|
|
|
1
|
Wildcat Ridge RompAug 14 / 100 KM
/ Rockaway NJ
|
|
|
1
|
Tanana River ChallengeMar 20 / 45 Miles
/ Fairbanks AK
|
|
|
1
|
Seven Trails Ultra FestivalApr 24 / 100 Miles
/ Damascus VA
|
|
|
1
|
Big Hill Bonk - Wisconsin's Backyard UltraAug 27 / Backyard
/ Beloit WI
|
|
|
1
|
Afton Summer SolsticeJun 19 / 4 Hours
/ Afton MI
|
|
|
1
|
BroncoBuster Last Man StandingApr 03 / Backyard
/ Springfield MO
|
|
|
1
|
The Gemini 100Oct 29 / 100 Miles
/ Atlanta GA
|
|
|
1
|
The Gemini 100Oct 29 / 50 Miles
/ Atlanta GA
|
|
|
1
|
The Gemini 100Oct 29 / 12 Hours
/ Atlanta GA
|
|
|
1
|
Scrub Jay 12 Hour Ultra MarathonFeb 28 / 12 Hours
/ Deltona FL
|
|
|
1
|
Run the KeweenawJul 12 / 50 KM
/ Eagle Harbor MI
|
|
|
1
|
Bashore Bash 6 Hr & 12 Hr UltraJun 05 / 6 Hours
/ Jonestown PA
|
|
|
1
|
Indy Piston Endurance RunJun 05 / 100 Miles
/ Indianapolis IN
|
|
|
1
|
Little Dog's Backyard UltraOct 03 / Backyard
/ Bell Buckle TN
|
|
|
1
|
Mount Herman Adventure RunJul 16 / 50 Miles
/ Palmer Lake CO
|
|
|
1
|
Endure Trail RunsMay 15 / 24 Hours
/ Divide CO
|
|
|
1
|
MCW King/Queen of the HillJun 12 / 6 Hours
/ Pompton Plains NJ
|
|
|
1
|
Horses Wild Joker Run & DuathlonSep 18 / 7 Hours
/ Caliente NV
|
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