October ultra marathons in North America
251 races
NJ Trail Series One Day
Oct 2-4, 2025 (Thu-Sat)
Frankford, New Jersey, United States
1.3
Chihuahua by UTMB - 100M
Oct 2-4, 2025 (Thu-Sat)
Copper Canyon, Chihuahua, Mexico
1.5 - 2.8
IronHike Endurance Series - Fall - Mohawk Mountain
Oct 2, 2025 (Thu)
Cornwall, Connecticut, United States
$500 - $2,000
Barranquita UT
Oct 2, 2025 (Thu)
Creel, Chihuahua, Mexico
Hell Creek 100
Oct 3-4, 2025 (Fri-Sat)
Sylvan Grove, Kansas, United States
1.9 - 3.4
$243.92 - $335.51
Red Barn Challenge
Oct 3-4, 2025 (Fri-Sat)
Lykens, Pennsylvania, United States
$80 - $120
Beaudry Fall Classic
Oct 3-4, 2025 (Fri-Sat)
Winnipeg, Manitoba, Canada
Iron Horse Ultra
Oct 3-4, 2025 (Fri-Sat)
St-Paul, Alberta, Canada
2 - 2.6
Trails by Moonlight: Hunter's Moon
Oct 4, 2025 (Sat)
Lago Vista, Texas, United States
$60.93 - $71.56
Arches Marathon
Oct 4, 2025 (Sat)
Moab, Utah, United States
1.3
$201.7
NEO24
Oct 4, 2025 (Sat)
Brunswick, Ohio, United States
$195.2 - $275.07
Bear Lake Ultra
Oct 4, 2025 (Sat)
Lapeer, Michigan, United States
Pisgah 55.5K Running Race
Oct 4, 2025 (Sat)
Pisgah Forest, North Carolina, United States
1.7
Rocky's Backyard Ultra Race
Oct 4, 2025 (Sat)
Estes Park, Colorado, United States
$120.65
Whitefish Trail Blazer
Oct 4-5, 2025 (Sat-Sun)
Whitefish, Montana, United States
1.2
Gone Fir a Run 50K
Oct 4, 2025 (Sat)
Spokane, Washington, United States
1.4
$92.81
Perpetua Coast
Oct 4-5, 2025 (Sat-Sun)
Yachats, Oregon, United States
1.1
$163.25
Hanging Flume 50K
Oct 4, 2025 (Sat)
Montrose County, Colorado, United States
1.2
$131.3
DC Peaks 50
Oct 4, 2025 (Sat)
Kaysville, Utah, United States
1.4 - 1.8
$150.84 - $219.37
Swiss Valley Trail Run
Oct 4, 2025 (Sat)
Peosta, Iowa, United States
1.4
$82.08
Wild Wild West Marathon & Ultra
Oct 4, 2025 (Sat)
Lone Pine, California, United States
1.3 - 1.8
$163.25 - $211.17
Back on the Ranch Trail Run
Oct 4, 2025 (Sat)
Los Olivos, California, United States
$110 - $323
The Hennepin Hundred
Oct 4, 2025 (Sat)
Sterling, Illinois, United States
1.1 - 2.3
$168.57 - $594.57
Tale of Two Trails
Oct 4, 2025 (Sat)
Shawnee, Kansas, United States
1.8
$163.78 - $192.4
South Texas Ultra
Oct 4, 2025 (Sat)
Leakey, Texas, United States
1.2
$115.32
Showing 1 - 25 of 251 events