2021 Biggest ultra running races
By finisher count. North American races only.| Finishers | Event | Winner |
|---|---|---|
|
17
|
Hainesport Hundred (Inactive)Dec 31 / 12 Hours
/ Hainesport NJ
|
|
|
17
|
High Lea 6/12/24 hourMay 22 / 6 Hours
/ Richfield OH
|
|
|
17
|
Moose Mountain Trail RacesAug 21 / 50 KM
/ Bragg Creek AB
|
|
|
17
|
Sri Chinmoy 12 & 24 Hour RacesJun 12 / 24 Hours
/ Congers NY
|
|
|
17
|
Hamster Endurance RunsAug 14 / 12 Hours
/ Bellingham WA
|
|
|
17
|
FirewaterOct 23 / 100 KM
/ Greenback TN
|
|
|
17
|
The HamsterwheelNov 06 / 6 Hours
/ New Boston NH
|
|
|
17
|
Hill Country Trivium Road RaceNov 07 / 50 KM
/ Marble Falls TX
|
|
|
17
|
Last Chance 50K Trail RunDec 04 / 50 KM
/ McClellanville SC
|
|
|
17
|
Tesla Hertz RunOct 09 / 100 Miles
/ Rocky Point NY
|
|
|
16
|
CTR - Diablo Trail RunAug 22 / 50 KM
/ Clayton CA
|
|
|
16
|
Big Brad UltrasOct 10 / 50 Miles
/ Pownal ME
|
|
|
16
|
Back 40 Trail RacesNov 14 / 50 KM
/ Bella Vista AR
|
|
|
16
|
The Border to Badlands UltraFeb 27 / 50 Miles
/ Seminoe Canyon SP TX
|
|
|
16
|
Picnic Island UltraMar 20 / 6 Hours
/ Jupiter FL
|
|
|
16
|
Minnie Ha Ha 6 & 12 hour runOct 16 / 6 Hours
/ St. Louis MO
|
|
|
16
|
The Foxtail Rail Trail RaceAug 21 / 100 KM
/ Dundas ON
|
|
|
16
|
Toxic Trail 37Aug 28 / 37 Miles
/ Port Mayaca FL
|
|
|
16
|
Hills Creek Endurance ChallengeMay 08 / 6 Hours
/ Wellsboro PA
|
|
|
16
|
Mace’s Hideout 100Jun 05 / 100 Miles
/ Beulah CO
|
|
|
16
|
Last Chance UltraDec 18 / 50 Miles
/ Stockton MO
|
|
|
16
|
Silver Moon Race - Paso RoblesMay 29 / 12 Hours
/ Paso Robles CA
|
|
|
16
|
Spartan Trail SoCalNov 21 / 50 KM
/ Lebec CA
|
|
|
16
|
Savage 100Oct 23 / 100 KM
/ Savage MN
|
|
|
16
|
24 Hours of Palmer LakeAug 27 / 24 Hours
/ Palmer Lake CO
|
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