Hard 12hr ultra marathons
11 races
Notchview Ultra
Jul 11-13, 2025 (Fri-Sun)
Windsor, Massachusetts, United States
2.7
$82.18 - $237.8
Tally in the Valley
Jul 26, 2025 (Sat)
Dundas, Ontario, Canada
2.6
Loopy Looper
Aug 2, 2025 (Sat)
Pennsauken Township, New Jersey, United States
2.6
$141.95 - $536
Hainesport Endurance Run
Oct 11-12, 2025 (Sat-Sun)
Hainesport, New Jersey, United States
2.5
Cahuilla Rez Ultra
Oct 18, 2025 (Sat)
Anza, California, United States
2.9
$66.25 - $131.3
Fat Ox
Nov 21, 2025 (Fri)
Buckeye, Arizona, United States
1.6 - 2.6
$136.75 - $339.52
Boundiful Endurance Runs
Nov 29, 2025 (Sat)
Hemet, California, United States
2.7
$152.6 - $237.8
DT Stone Anvil
Apr 15-18, 2026 (Wed-Sat)
Chatsworth, Georgia, United States
2.8
High Lea 6/12/24 Hour
May 16, 2026 (Sat)
Richfield, Ohio, United States
2.8
$82.18 - $253.77
The Underground Circus 100
May 23, 2026 (Sat)
Atlanta, Georgia, United States
2.1 - 2.6
$97.06 - $396.48
Nanny Goat
May 23, 2026 (Sat)
Riverside, California, United States
2.5
Showing 1 - 11 of 11 events