12hr ultra marathons
283 races
Hell Mary
Jul 19, 2025 (Sat)
Pegram, Tennessee, United States
$76.87 - $98.12
Powderhorn Mountain Ultra and Vert Challenge
Jul 19, 2025 (Sat)
Mesa, Colorado, United States
$216.5 - $376.25
CandleLight 12/24 Hour
Jul 19, 2025 (Sat)
Honeoye Falls, New York, United States
The Squatchy Surprise
Jul 26, 2025 (Sat)
Mountainside, New Jersey, United States
$82.18 - $110
The Trident
Jul 26, 2025 (Sat)
Jupiter, Florida, United States
1.6 - 2.4
$125 - $140
Run Under the Stars/Run for Dreams
Jul 26, 2025 (Sat)
Shelbyville, Kentucky, United States
Sweat Hot Oklahoma Summer Trials
Jul 26, 2025 (Sat)
Nowata, Oklahoma, United States
$101.39 - $125.94
FCA Endurance Race
Jul 26, 2025 (Sat)
Oakwood, Georgia, United States
$98.12 - $205.85
Extreme Ravine
Jul 26, 2025 (Sat)
Binghamton, New York, United States
$65
Tally in the Valley
Jul 26, 2025 (Sat)
Dundas, Ontario, Canada
2.6
Murderkill Ultramarathons
Jul 26, 2025 (Sat)
Felton, Delaware, United States
$22
Tufted Puffin Endurance Run
Aug 2, 2025 (Sat)
Newport, Oregon, United States
1.6
Loopy Looper
Aug 2, 2025 (Sat)
Pennsauken Township, New Jersey, United States
2.6
$141.95 - $536
River to Sea
Aug 2, 2025 (Sat)
Marineland, Florida, United States
$140.24 - $163.03
Hamster Endurance Runs
Aug 2, 2025 (Sat)
Bellingham, Washington, United States
$125.97 - $291.05
RunPA Trail Jamboree
Aug 2, 2025 (Sat)
Newmanstown, Pennsylvania, United States
MCW Westfield Ultra
Aug 2, 2025 (Sat)
Westfield, New Jersey, United States
$76.87 - $163.25
Kansas City Backyard Ultra
Aug 8-9, 2025 (Fri-Sat)
Kansas City, Missouri, United States
$83.55 - $194.99
Anchor Down Ultra
Aug 8, 2025 (Fri)
Bristol, Rhode Island, United States
Copper City 12 & 24 Hour Race
Aug 9, 2025 (Sat)
Three Forks, Montana, United States
$163.25
Angry Owl Ultramarathons
Aug 9, 2025 (Sat)
Salem, Oregon, United States
$76.87 - $103.43
Steel City 12 Hour Run & Ruck
Aug 9, 2025 (Sat)
Middletown, Ohio, United States
Lover's Lane
Aug 9, 2025 (Sat)
Chester, Vermont, United States
$20
South Bay 24
Aug 15, 2025 (Fri)
San Diego, California, United States
Fort Frenzy Ultra Festival
Aug 16, 2025 (Sat)
Vonore, Tennessee, United States
$136.62 - $216.5
Showing 51 - 75 of 283 events