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Endurance races calendar 2025 - 2026: x-hour race
Sweltering Summer Ultra
Pittsfield, USA
09 Aug, 2025 (Sat)
Running
8 hrs
B.I.R.R. Mauna Loa Access Road Fun Run
Volcano, USA
16 Aug, 2025 (Sat)
Running
4 hrs
Hell on Hogsback: Endurance Challenge
Cleveland, USA
23 Aug, 2025 (Sat)
Running
1 hrs, 3 hrs, 6 hrs, 12 hrs
24H de Villenave d'Ornon
Villenave-d'Ornon, France
30 Aug, 2025 (Sat)
Running
3 hrs, 6 hrs, 12 hrs, 24 hrs
Walking
3 hrs, 6 hrs, 12 hrs, 24 hrs
Recommended for you
Chupacabra Endurance 10-hour Run
Westville, USA
30 Aug, 2025 (Sat)
Running
10 hrs
Death by 5k Brandon
Brandon, USA
30 Aug, 2025 (Sat)
Running
24 hrs
Joust 12 Hr and 24 Hr Challenge
Holt Heath, Worcester, United Kingdom
06 Sep, 2025 (Sat)
Running
12 hrs, 24 hrs
From
97 USD
American Heroes Run
Longmont, USA
06 Sep, 2025 (Sat)
Running
9 hrs, 24 hrs +5 more
Up to 19% off
8 Ore del Canavese
Tavagnasco, Italy
07 Sep, 2025 (Sun)
Running
8 hrs
From
44 USD
55 USD
Never Forget 9:11 Endurance
Greer, USA
07 Sep, 2025 (Sun)
Running
9.11 hrs
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