Bandera 50 km Endurance RunUSAUnited States11 Jan202650kmDistfixed distance race141M 107107 menF 3434 women
Trail Hivernal Les Mathes - La PalmyreFRAFrance11 Jan202650.0kmDistfixed distance race559M 498498 menF 6161 women
Nara Mahoroba Ultra WalkingJPNJapan10–11 Jan2026102kmDistfixed distance race307M 212212 menF 9595 women
Pullman Winter Ultra 50K - JanUSAUnited States10 Jan202650kmDistfixed distance race1M 11 menF 00 women
Zhudong to Beipu Ultra RunTPEChinese Taipei10 Jan202645kmDistfixed distance race12M 1111 menF 11 women
Sandy Bottom 8-Hour Training RunUSAUnited States10 Jan20268hTimefixed time race27M 1818 menF 99 women
Taliharja Vanakuri Winter Ultra Endurance Race - 54kmESTEstonia10–11 Jan202654kmDistfixed distance race202M 117117 menF 8585 women
Taliharja Vanakuri Winter Ultra Endurance Race - 101kmESTEstonia10–12 Jan2026101kmDistfixed distance race155M 113113 menF 4242 women
Frozen: H3 - 50K Day/Night RunUSAUnited States10 Jan202650kmDistfixed distance race23M 1111 menF 1212 women
Frozen: H3 - 50 Mile RunUSAUnited States10–11 Jan202650miDistfixed distance race22M 1717 menF 55 women
Frozen: H3 - 100 Mile RunUSAUnited States10–11 Jan2026100miDistfixed distance race11M 88 menF 33 women
Bridle Trails Winter Running FestivalUSAUnited States10 Jan202650kmDistfixed distance race44M 3333 menF 1111 women
Frozen Sasquatch 50 km Trail RaceUSAUnited States10 Jan202650kmDistfixed distance race39M 3030 menF 99 women
The Ian Priest Memorial Ultra MarathonNZLNew Zealand10 Jan202660kmDistfixed distance race32M 2727 menF 55 women
Winter Spine Sprint SouthGBRGreat Britain10–11 Jan202646miDistfixed distance race102M 7676 menF 2626 women
Winter Spine MRT Challenge SouthGBRGreat Britain10–12 Jan2026108miDistfixed distance race13M 99 menF 44 women