50K trail ultra marathons in North America
876 races
Bears Ears Ultra
Jun 21, 2025 (Sat)
Monticello, Utah, United States
1.3 - 1.8
$224.36 - $258.34
Wild Woman Trail Marathon
Jun 21, 2025 (Sat)
Trout Lake, Washington, United States
$136.62
Golden State
Jun 21, 2025 (Sat)
Marina, California, United States
1.1
$147.27
Catamount Ultra
Jun 21, 2025 (Sat)
Stowe, Vermont, United States
1.1
$174.43
Catoctin
Jun 21, 2025 (Sat)
Frederick, Maryland, United States
1.3
$76.87
Two Hearted Trail Run
Jun 21, 2025 (Sat)
Paradise, Michigan, United States
1.1
Strawberry Fields Forever
Jun 21, 2025 (Sat)
North Bonneville, Washington, United States
1.2 - 2.6
$76.87 - $136.62
Ring the Springs
Jun 21, 2025 (Sat)
Colorado Springs, Colorado, United States
1.3 - 2.2
$179.22 - $317.67
Slay the Dragon
Jun 21, 2025 (Sat)
North Okanagan, British Columbia, Canada
1.4
CA$224.6
Black Mountain 50K
Jun 21, 2025 (Sat)
San Diego, California, United States
1.1
$179.22
Edge Hill Trail Race
Jun 21, 2025 (Sat)
Ashfield, Massachusetts, United States
1.4
Bob Marshall Trail 50K
Jun 21, 2025 (Sat)
Seeley Lake, Montana, United States
1.2
$80
Tenderfoot Boogie
Jun 21, 2025 (Sat)
Squamish, British Columbia, Canada
1.3
Denali135
Jun 21, 2025 (Sat)
Copper River Census Area, Alaska, United States
$195 - $545
Whitewater Trail Challenge
Jun 21, 2025 (Sat)
Whitewater, Wisconsin, United States
1.5
Denali 135, 100K & 50K
Jun 21, 2025 (Sat)
Paxson, Alaska, United States
1.2 - 2.9
Black Hills 100
Jun 27-28, 2025 (Fri-Sat)
Sturgis, South Dakota, United States
1.2 - 2.6
$173.15 - $399.36
Buckeye Trail
Jun 28-29, 2025 (Sat-Sun)
Brecksville, Ohio, United States
1.2
Hell on Gravel Run
Jun 28, 2025 (Sat)
El Dorado, Kansas, United States
1.1
$196.31
The John Cappis
Jun 28, 2025 (Sat)
Silverton, Colorado, United States
2.2
$0
Night Hawk
Jun 28, 2025 (Sat)
Lawrence, Kansas, United States
1.2
$141.2
Tiger Peak Challenge
Jun 28, 2025 (Sat)
Issaquah, Washington, United States
1.4
Etown Trail Classic
Jun 28, 2025 (Sat)
Elizabethtown, Kentucky, United States
$95
Eastern Legend
Jun 28, 2025 (Sat)
Grapeland, Texas, United States
$115.32
Tackle the Toad
Jun 28, 2025 (Sat)
Nelson, British Columbia, Canada
1.4
Showing 51 - 75 of 876 events