September ultra marathons
341 races
Dragon's Back Race
Sep 1, 2025 (Mon)
Conwy, Wales, United Kingdom
3.6
Ultra Tour Monte Rosa
Sep 3-6, 2025 (Wed-Sat)
Grächen, Valais, Switzerland
1.8 - 2.9
Old Forge Half Marathon
Sep 4-6, 2025 (Thu-Sat)
Old Forge, New York, United States
$270
Superior Fall Trail Races
Sep 5-6, 2025 (Fri-Sat)
Two Harbors, Minnesota, United States
1.8 - 2.5
Sole Survivor Backyard Ultra
Sep 5, 2025 (Fri)
Richland, Washington, United States
Ultra-Trail Harricana of Canada
Sep 5, 2025 (Fri)
La Malbaie, Québec, Canada
1.5 - 2.3
Dark Divide 100 Miler
Sep 5-7, 2025 (Fri-Sun)
Randle, Washington, United States
1.5 - 3
$189.87 - $402.87
Lost Soul Ultra
Sep 5-6, 2025 (Fri-Sat)
Lethbridge, Alberta, Canada
1.2 - 2.6
CA$235 - CA$292.2
American Heroes Run
Sep 5-6, 2025 (Fri-Sat)
Longmont, Colorado, United States
2.7
$115.32 - $253.77
Klondike Trail of '98 International Road Relay
Sep 5, 2025 (Fri)
Skagway, Alaska, United States
Ultra-Trail Harricana du Canada
Sep 5-7, 2025 (Fri-Sun)
Grand-Fonds, Québec, Canada
1.6 - 2.4
Woodstock Festival of Races
Sep 5-7, 2025 (Fri-Sun)
Pinckney, Michigan, United States
Blue Ridge Relay
Sep 5, 2025 (Fri)
Asheville, North Carolina, United States
$720 - $1,440
Fall Superior Trail Races
Sep 5-6, 2025 (Fri-Sat)
Lutsen, Minnesota, United States
2 - 2.7
Haliburton Forest Trail Race
Sep 5, 2025 (Fri)
Haliburton Forest, Ontario, Canada
1.2 - 2.5
Sörmlands 100 X Hoka
Sep 5, 2025 (Fri)
Sunda-Ramdalshöjden, Södermanland, Sweden
1.2 - 2.6
Flaming Foilage Relay
Sep 5, 2025 (Fri)
Idaho Springs, Colorado, United States
The Blude Ridge Relay
Sep 5, 2025 (Fri)
Grayson Highlands State Park, Grayson County, Virginia, United States
Wasatch Front 100 Mile Endurance Run
Sep 5, 2025 (Fri)
Kaysville, Utah, United States
P-Weg
Sep 5, 2025 (Fri)
Plettenberg, North Rhine-Westphalia, Germany
1.7
Wasatch 100
Sep 5, 2025 (Fri)
Kaysville, Utah, United States
2.6
Run Woodstock
Sep 5-6, 2025 (Fri-Sat)
Gregory, Michigan, United States
1.2 - 2.5
Mendocino Running Festival
Sep 6, 2025 (Sat)
Mendocino, California, United States
$135 - $155
Megunticook 50
Sep 6, 2025 (Sat)
Camden, Maine, United States
1.4
$147.27
Hurricane 100K
Sep 6, 2025 (Sat)
Hurricane, West Virginia, United States
1.9
$120.65 - $173.9
Showing 1 - 25 of 341 events