West Virginia Trilogy 50 MileUSAUnited States11 Oct202550miDistfixed distance race27M 1515 menF 1212 women
DeClue Loops 50 km Trail RaceUSAUnited States11 Oct202550kmDistfixed distance race14M 99 menF 55 women
Shawnee 50 Mile Trail RunUSAUnited States11 Oct202550miDistfixed distance race50M 4040 menF 1010 women
Austria Backyard Ultra - SeekirchenAUTAustria11 Oct202534hTimefixed time race195M 151151 menF 4444 women
Hainesport Hundred 12 Hour Endurance Run SummerUSAUnited States11 Oct202512hTimefixed time race39M 2222 menF 1717 women
Hainesport Hundred 24 Hour Endurance Run SummerUSAUnited States11–12 Oct202524hTimefixed time race31M 2323 menF 88 women
Hainesport Hundred 48 Hour Endurance Run SummerUSAUnited States11–12 Oct202548hTimefixed time race34M 2323 menF 1111 women
Hainesport Hundred 100 Mile Endurance Run SummerUSAUnited States11–12 Oct2025100miDistfixed distance race27M 1818 menF 99 women
Des Plaines River 50 Km Trail RaceUSAUnited States11 Oct202550kmDistfixed distance race101M 5656 menF 4545 women
Des Plaines River 50 Miles Trail RaceUSAUnited States11 Oct202550miDistfixed distance race62M 4848 menF 1414 women
Ruth Anderson Ultra 50kmUSAUnited States11 Oct202550kmDistfixed distance race51M 3838 menF 1313 women
Heartland 100 Mile RaceUSAUnited States11–12 Oct2025100miDistfixed distance race35M 3030 menF 55 women
Le Grizz 50 Mile UltramarathonUSAUnited States11 Oct202550miDistfixed distance race86M 4242 menF 4444 women