100K fall ultra marathons

Woodstock Festival of Races

Sep 5-7, 2025 (Fri-Sun)

Pinckney, Michigan, United States

Sörmlands 100 X Hoka

Sep 5, 2025 (Fri)

Sunda-Ramdalshöjden, Södermanland, Sweden

1.2 - 2.6

55K

Run Woodstock

Sep 5-6, 2025 (Fri-Sat)

Gregory, Michigan, United States

1.2 - 2.5

Hurricane 100K

Sep 6, 2025 (Sat)

Hurricane, West Virginia, United States

1.9

$120.65 - $173.9

Steep Ultra

Sep 6, 2025 (Sat)

Corner Brook, Newfoundland and Labrador, Canada

CA$110.2 - CA$193.4

Pine Creek Challenge

Sep 6, 2025 (Sat)

Wellsboro, Pennsylvania, United States

1.7 - 2.4

$152.6 - $232.47

50mi

Finlayson Arm

Sep 6-7, 2025 (Sat-Sun)

Victoria, British Columbia, Canada

1.5 - 2.3

50mi

Suncheon Bay Ultra Marathon

Sep 6, 2025 (Sat)

Suncheon, South Jeolla, South Korea

L'Infernal Trail des Vosges

Sep 11-14, 2025 (Thu-Sun)

Saint-Nabord, Grand Est, France

1.8 - 3

Run Winschoten

Sep 11-12, 2025 (Thu-Fri)

Winschoten, Groningen, Netherlands

Tor des Géants

Sep 12-20, 2025 (Fri-Sat)

Courmayeur, Aosta Valley, Italy

2.4 - 3.9

Kazakhstan Action Asia 3 Day Ultra Marathon

Sep 12, 2025 (Fri)

Almaty, Almaty, Kazakhstan

60K

Boulder Field 100

Sep 13, 2025 (Sat)

Jim Thorpe, Pennsylvania, United States

1.2 - 1.9

$97.06 - $119.58

Plain Endurance Runs

Sep 13, 2025 (Sat)

Leavenworth, Washington, United States

2.3 - 2.8

$120.65 - $157.92

Iron Will 100

Sep 13, 2025 (Sat)

Junction City, Kansas, United States

1.2 - 2.7

$141.2 - $267.43

Festival des 3 Forêts

Sep 13, 2025 (Sat)

Mériel, Île-de-France, France

1.7 - 2.7

70K

162K

Surf Coast Century

Sep 13, 2025 (Sat)

Anglesea, Victoria, Australia

2.1

Virgil Crest

Sep 13, 2025 (Sat)

Cortland, New York, United States

1.4 - 2.6

$136.62 - $296.37

Leeds Country Way in a Day 100K

Sep 13, 2025 (Sat)

Calverley, Yorkshire, United Kingdom

San'in Kaigan UNESCO Global Geopark Tango 100K UltraMarathon

Sep 14, 2025 (Sun)

Kyotango, Kyoto, Japan

60K