50K trail ultra marathons
44 races
Owyhee 50/50 Night Run
Aug 1, 2025 (Fri)
Homedale, Idaho, United States
1.6 - 2
$75 - $100
Badger Trail Races
Aug 2, 2025 (Sat)
Belleville, Wisconsin, United States
1.2 - 2.4
$183.27 - $396.75
Blue Hill Mountain Trail Fest
Aug 2, 2025 (Sat)
Blue Hill, Maine, United States
1.5
$115.32
Bali Ultra Trail
Aug 2, 2025 (Sat)
Bali, Bali, Indonesia
1.4 - 2
Drew's Angel Creek 50
Aug 2, 2025 (Sat)
Fairbanks, Alaska, United States
1.4 - 1.9
$163.25 - $189.87
HURL Elkhorn
Aug 2, 2025 (Sat)
Helena, Montana, United States
1.2 - 1.9
$125.97 - $141.95
Trail of the Dragon 50K/50mile Run
Aug 2, 2025 (Sat)
Ida Grove, Iowa, United States
1.3 - 1.9
Volcanic 50
Aug 2-3, 2025 (Sat-Sun)
Marble Mountain Sno-Park, Washington, United States
1.5
$200.52
Hatcher Pass 50 Mile, Marathon and Relay
Aug 2, 2025 (Sat)
Willow, Alaska, United States
1.9
$0
Swiss Alps 100
Aug 8-9, 2025 (Fri-Sat)
Fiesch, Valais, Switzerland
1.5 - 2.8
Ultra-Trail du Fjord-du-Saguenay
Aug 8, 2025 (Fri)
Bas-Saguenay, Québec, Canada
1.5 - 2.8
Wy'east Trailfest
Aug 9, 2025 (Sat)
Government Camp, Oregon, United States
1.1 - 2
$189.87 - $221.82
Larrabee Lakes
Aug 9, 2025 (Sat)
Bellingham, Washington, United States
1.5
Stour Valley Path 100K Ultra Run
Aug 9, 2025 (Sat)
Newmarket, East of England, United Kingdom
1.1 - 2
In the Heat of the Night
Aug 9, 2025 (Sat)
Anniston, Alabama, United States
1.2 - 2.1
$114.79 - $190.94
Ute 100 Mile & 50 Mile
Aug 9, 2025 (Sat)
La Sal, Utah, United States
1.8 - 2.7
$213.03 - $456.55
Lean Horse
Aug 15-16, 2025 (Fri-Sat)
Custer, South Dakota, United States
1.1 - 2.4
$173.15 - $342.8
Marquette Trail 50
Aug 15-16, 2025 (Fri-Sat)
Marquette, Michigan, United States
1.2 - 1.7
$147.27 - $173.9
Almaden Hills Trail Run
Aug 16, 2025 (Sat)
San Jose, California, United States
1.6
$131
Squamish 50
Aug 16-17, 2025 (Sat-Sun)
Squamish, British Columbia, Canada
1.4 - 1.8
BAD DAWG Ultra Endurance Run
Aug 16, 2025 (Sat)
Waynesville, Missouri, United States
1.3 - 2.7
$105.99 - $164.86
Olympic Mountains Trail Races
Aug 16-17, 2025 (Sat-Sun)
Quilcene, Washington, United States
1.4 - 2.2
$211.17 - $328.32
TARC Summer Classic
Aug 16, 2025 (Sat)
Medfield, Massachusetts, United States
1.2 - 1.5
SuperTrail du Barlatay
Aug 16, 2025 (Sat)
Château-d’Œx, Vaud, Switzerland
1.4 - 2
Fabulous Fahnestock Trail Races
Aug 16, 2025 (Sat)
Cold Spring, New York, United States
1.6
$115.32
Showing 1 - 25 of 44 events