2026 Biggest ultra running races
By finisher count. North American races only.| Finishers | Event | Winner |
|---|---|---|
|
55
|
Collegiate Peaks Trail RunMay 02 / 50 Miles
/ Buena Vista CO
|
|
|
55
|
Wild Wild West Marathon And UltraMay 02 / 50 Miles
/ Lone Pine CA
|
|
|
55
|
Farmdaze 24Feb 21 / 24 Hours
/ Brooklet GA
|
|
|
55
|
Crater Trail RunJun 06 / 50 KM
/ Decorah IA
|
|
|
55
|
Wekiwa Springs UltraJan 03 / 12 Hours
/ Apopka FL
|
|
|
55
|
3 Days at the FairMay 16 / 48 Hours
/ Augusta NJ
|
|
|
55
|
Born to Run Ultra MarathonsMay 16 / 30 Miles
/ Los Olivos CA
|
|
|
55
|
Lake Martin 100Apr 04 / 50 KM
/ Alexander City AL
|
|
|
55
|
Mill Stone 50KFeb 07 / 50 KM
/ Fort Mill SC
|
|
|
55
|
Falling Water UltrasApr 25 / 50 KM
/ New River Gorge National Park WV
|
|
|
54
|
Machete Trail Madness 100k & 50kApr 25 / 50 KM
/ Perris CA
|
|
|
54
|
Franklin Mountains Trail RunsJan 24 / 55 KM
/ El Paso TX
|
|
|
54
|
Gone LocoFeb 08 / 33 Miles
/ Athens TN
|
|
|
53
|
Ozark Foothills Endurance RunsApr 11 / 50 KM
/ Wildwood MO
|
|
|
53
|
Ruck A Chuck 50kMar 14 / 50 KM
/ Foresthill CA
|
|
|
53
|
Salt Lake Foothills Trail RacesMay 30 / 50 KM
/ Salt Lake City UT
|
|
|
53
|
Wild Wild West Marathon And UltraMay 02 / 50 KM
/ Lone Pine CA
|
|
|
53
|
Ouachita TrailApr 18 / 50 Miles
/ Little Rock AR
|
|
|
53
|
Scout Mountain Ultra TrailJun 05 / 100 Miles
/ Pocatello ID
|
|
|
53
|
Warbird 100Mar 14 / 50 KM
/ Hyden KY
|
|
|
53
|
Dark Horse 24/48hr Ultra RunFeb 28 / 24 Hours
/ Aiken SC
|
|
|
52
|
Winona Forest's Chase The Day 24-Hour Trail UltraMay 16 / 24 Hours
/ Mannsville NY
|
|
|
52
|
Loud Thunder 50Apr 18 / 50 KM
/ Illinois City IL
|
|
|
52
|
Woodside CrossoverApr 18 / 50 KM
/ Woodside CA
|
|
|
52
|
The Swamp Fox UltraMar 07 / 50 KM
/ McClellanville SC
|
The results database is the property of UltraRunning Magazine. Use of the information and data is allowed and encouraged, however when it is shared or published attribution is required, as follows: Source UltraRunning Magazine (and if online, a link to UltraRunning.com).