100K relay ultra marathons

Jun 6, 2025 (Fri)

Bethera, South Carolina, United States

1.4 - 2.8

$110 - $269.75

Jun 6-7, 2025 (Fri-Sat)

Biel, Bern, Switzerland

2 - 2

Jun 7, 2025 (Sat)

Canal Fulton, Ohio, United States

1.1 - 2.4

$179.22

Jun 13, 2025 (Fri)

Hilo, Hawaii, United States

1.2 - 2

$74.81 - $142.89

Jun 13, 2025 (Fri)

Percé, Québec, Canada

1.5 - 2.7

Jun 14, 2025 (Sat)

La Grange, Wisconsin, United States

1.2 - 2.4

$155.18 - $565.28

Jun 20-22, 2025 (Fri-Sun)

Oyonnax, Auvergne-Rhône-Alpes, France

1.7 - 2.8

Jun 21, 2025 (Sat)

Dayton, Washington, United States

Jun 26-29, 2025 (Thu-Sun)

Vannes, Brittany, France

1.2 - 2.6

Jul 4-5, 2025 (Fri-Sat)

Guillestre, Provence-Alpes-Côte d'Azur, France

1.8 - 2.9

Jul 18, 2025 (Fri)

Ax-les-Thermes, Occitanie, France

1.5 - 2.9

Jul 19, 2025 (Sat)

Jackson, Mississippi, United States

1.2 - 2.1

$66.25

Aug 8-9, 2025 (Fri-Sat)

Manning Park, British Columbia, Canada

1.7 - 2.9

CA$323.4 - CA$635.4

Aug 16, 2025 (Sat)

Kananaskis, Alberta, Canada

1.6 - 2.2

CA$162.2 - CA$252.16

Aug 23, 2025 (Sat)

Cat Spring, Texas, United States

1.3 - 2.6

Aug 29, 2025 (Fri)

San Martin, California, United States

1.2 - 2.5

$85 - $280

Sep 6, 2025 (Sat)

Hurricane, West Virginia, United States

1.9

$120.65 - $173.9

Sep 11-14, 2025 (Thu-Sun)

Saint-Nabord, Grand Est, France

1.8 - 3

Sep 13, 2025 (Sat)

Anglesea, Victoria, Australia

2.1

Sep 20, 2025 (Sat)

Longeville-lès-Metz, Grand Est, France

Sep 20, 2025 (Sat)

Pinckney, Michigan, United States

Sep 27-28, 2025 (Sat-Sun)

Saanen, Bern, Switzerland

2.3

Oct 3-4, 2025 (Fri-Sat)

St-Paul, Alberta, Canada

2 - 2.6

Oct 11, 2025 (Sat)

whakaipo bay, Waikato, New Zealand

Oct 11-12, 2025 (Sat-Sun)

Petoskey, Michigan, United States

0.9 - 2.5

$130 - $310