2021 Biggest ultra running races
By finisher count. North American races only.| Finishers | Event | Winner |
|---|---|---|
|
13
|
Goosebumps 6 & 24 Hour RunSep 24 / 6 Hours
/ Stoddard WI
|
|
|
13
|
Free State Trail RunJun 12 / 40 Miles
/ Lawrence KS
|
|
|
13
|
Labor of LoveMar 20 / 50 KM
/ Las Vegas NV
|
|
|
13
|
Iron Horse UltraOct 02 / 100 Miles
/ St. Paul AB
|
|
|
13
|
Sunburn Solstice RunJul 31 / 15 Hours
/ Mount Hope ON
|
|
|
13
|
Blood Root UltraMay 15 / 50 Miles
/ Pittsfield VT
|
|
|
13
|
Spring CampgawJun 06 / 50 KM
/ Mountainside NJ
|
|
|
13
|
Frozen 50KFeb 06 / 50 KM
/ Cassadaga NY
|
|
|
13
|
The Yeti 100 Mile Endurance Run-WashingtonJul 24 / 100 Miles
/ North Bend WA
|
|
|
13
|
Bronze Dragonfly 30 Hour UltraOct 16 / 12 Hours
/ Savannah GA
|
|
|
13
|
Island TimeMay 08 / 6 Hours
/ Gregory MI
|
|
|
13
|
Spartan Trail MontereyAug 22 / 50 KM
/ Salinas CA
|
|
|
13
|
G.U.S Grinder 3/6/12 Hour RaceMar 06 / 12 Hours
/ Pilot Mountain NC
|
|
|
13
|
TNT - Toughest N' Texas Trail RunsApr 10 / 50 KM
/ Waco TX
|
|
|
13
|
Kaniksu Trail RunsJun 12 / 50 Miles
/ Frater Lake WA
|
|
|
13
|
Wild Azalea Trail ChallengeJan 02 / 50 Miles
/ Alexandria LA
|
|
|
13
|
TARC Winter ClassicDec 04 / 40 Miles
/ Stoneham MA
|
|
|
13
|
THE MT TAMMANY 10Oct 30 / 40 Miles
/ Delaware Water Gap NJ
|
|
|
13
|
Beyond Limits UltraApr 10 / 24 Hours
/ Mountain Center CA
|
|
|
13
|
C&O Canal 100Apr 24 / 100 Miles
/ Knoxville MD
|
|
|
13
|
Hell on Gravel RunJul 10 / 50 KM
/ El Dorado KS
|
|
|
13
|
The Blood RunSep 04 / 12 Hours
/ Lennox SD
|
|
|
13
|
Back On The Ranch Trail RunOct 02 / 12 Hours
/ Los Olivos CA
|
|
|
12
|
The ItchJan 30 / 50 KM
/ Ocala FL
|
|
|
12
|
Six Days In the Dome-WIJun 18 / 24 Hours
/ Milwaukee WI
|
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