The Shippey 40mi Endurance RunsUSAUnited States14–15 Jan202340miDistfixed distance race11M 88 menF 33 women
Frozen: H3 - 100 Mile RunUSAUnited States14–15 Jan2023100miDistfixed distance race3M 22 menF 11 women
Bear Bait 32 Mile UltramarathonUSAUnited States14 Jan202332miDistfixed distance race38M 2727 menF 1111 women
Bear Bait 52 Mile UltramarathonUSAUnited States14 Jan202350miDistfixed distance race26M 2121 menF 55 women
Bridle Trails Winter Running FestivalUSAUnited States14 Jan202350kmDistfixed distance race29M 2121 menF 88 women
Frozen: H3 - 100K Day RunUSAUnited States14–15 Jan2023100kmDistfixed distance race2M 22 menF 00 women
Frozen: H3 - 50K Day/Night RunUSAUnited States14 Jan202350kmDistfixed distance race7M 66 menF 11 women
Hexing to Tianhu Ultra RunTPEChinese Taipei14 Jan202345kmDistfixed distance race13M 1111 menF 22 women
Taliharja Vanakuri Winter Ultra Endurance Race - 101kmESTEstonia14–15 Jan2023101kmDistfixed distance race99M 7070 menF 2929 women
Taliharja Vanakuri Winter Ultra Endurance Race - 51kmESTEstonia14 Jan202351kmDistfixed distance race117M 6868 menF 4949 women
Le Dernier Homme Debout - VendéeFRAFrance14–15 Jan202320hTimefixed time race170M 163163 menF 77 women
Aotearoa Ultra Marathon 53kmNZLNew Zealand14 Jan202353kmDistfixed distance race23M 1717 menF 66 women