2026 Biggest ultra running races
By finisher count. North American races only.| Finishers | Event | Winner |
|---|---|---|
|
22
|
3 Days of SyllamoMar 21 / 50 Miles
/ Blanchard Springs AR
|
|
|
22
|
Buffalo Runners 6 Hour Distance ClassicApr 12 / 6 Hours
/ Williamsville NY
|
|
|
22
|
Run the RanchApr 11 / 12 Hours
/ Loveland CO
|
|
|
22
|
Highball to Thurmond Ultra & RelayMay 17 / 50 Miles
/ Thurmond WV
|
|
|
22
|
The Great Divide UltraJun 06 / 100 Miles
/ Divide CO
|
|
|
22
|
Wawayanda Trail RaceApr 25 / 50 Miles
/ Hewitt NJ
|
|
|
22
|
Saguaro ShowdownJan 24 / Backyard
/ Mesa AZ
|
|
|
22
|
ARKTOS 6/12/20 Hour UltraFeb 28 / 12 Hours
/ Dousman WI
|
|
|
22
|
Feral Mtn 100M/50MApr 24 / 50 Miles
/ Ellijay GA
|
|
|
22
|
Trails To the Sky 50k/10kMay 16 / 50 KM
/ Glen Gardner NJ
|
|
|
22
|
Hanwell HammeringMay 01 / 50 KM
/ Hanwell NB
|
|
|
22
|
Dawn To Dusk To Dawn Track UltrasMay 09 / 50 Miles
/ Sharon Hill PA
|
|
|
22
|
Frozen: H3Jan 10 / 50 Miles
/ Bethera SC
|
|
|
22
|
The Shippey Endurance RunsJan 17 / 100 Miles
/ High Ridge MO
|
|
|
21
|
Paiute Meadows Trail RunMay 09 / 50 KM
/ Susanville CA
|
|
|
21
|
Swamp 50kFeb 21 / 50 KM
/ Palm Coast FL
|
|
|
21
|
Great Southern Endurance RunApr 25 / 100 KM
/ Kennesaw GA
|
|
|
21
|
Trail Trashed UltraMar 21 / 50 KM
/ Las Vegas NV
|
|
|
21
|
Conquer The Wall Endurance ChallengeMar 06 / 35 Hours
/ Williamson WV
|
|
|
21
|
The 24 Hour Lions RoarApr 18 / 12 Hours
/ Columbia MO
|
|
|
21
|
Sawmill RelayJun 06 / 38.45 Miles
/ Mt. Charleston NV
|
|
|
21
|
The Blue 2 Blue ChallengeMay 03 / 50 KM
/ New Haven CT
|
|
|
21
|
FlatRock 101K/50KApr 18 / 50 KM
/ Independence KS
|
|
|
21
|
Salem Lakeshore Frosty FiftyJan 03 / 50 KM
/ Winston-Salem NC
|
|
|
21
|
Howlin' Wolfe 25K/50KApr 11 / 50 KM
/ Slade KY
|
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