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
Winter Spine Challenger SouthGBRGreat Britain10–12 Jan2026108miDistfixed distance race83M 5959 menF 2424 women
Backyard Ultra Polska - winter editionPOLPoland10 Jan202624hTimefixed time race41M 3131 menF 1010 women
Ultra Trail Gazelles Sahara 70 kmTUNTunisia10 Jan202670kmDistfixed distance race14M 1111 menF 33 women