Seslong Mountain Ultra MarathonPHIPhilippines12 Mar202355kmDistfixed distance race177M 143143 menF 3434 women
Taute -Terras Do Ancião Ultra TrailPORPortugal12 Mar202358.5kmDistfixed distance race48M 4444 menF 44 women
Track 48 Endurance Festival of Running 12hGBRGreat Britain12 Mar202312hTimefixed time race8M 77 menF 11 women
Longtan to Daxi Dongan Ultra RunTPEChinese Taipei12 Mar202347kmDistfixed distance race16M 1111 menF 55 women
Prickly Pear 50 km Trail RunUSAUnited States12 Mar202350kmDistfixed distance race99M 6060 menF 3939 women
USATF National 50K Road Championship CaumsettUSAUnited States12 Mar202350kmDistfixed distance race36M 1818 menF 1818 women
USATF National 50K Road Open Race CaumsettUSAUnited States12 Mar202350kmDistfixed distance race25M 1616 menF 99 women
Strasimeno - Ultramaratona nel parco del lago TrasimenoITAItaly12 Mar202358kmDistfixed distance race310M 234234 menF 7676 women
Grand Canal Canter 50k SpringGBRGreat Britain12 Mar202350kmDistfixed distance race5M 44 menF 11 women
GOMU 6 Days World ChampionshipIAU BronzeITAItaly12–18 Mar20236dTimefixed time race43M 3232 menF 1111 women
Anco Ultra Marathon 4-in-1RSASouth Africa11 Mar202348kmDistfixed distance race29M 1919 menF 1010 women
Kijima Kosmos 3-in-1RSASouth Africa11 Mar202373.3kmDistfixed distance race1,133M 820820 menF 313313 women
Siuslaw Dunes 50km Trail RaceUSAUnited States11 Mar202350kmDistfixed distance race47M 3131 menF 1616 women
Three Creeks Torrent Trail RunsUSAUnited States11 Mar202330miDistfixed distance race10M 77 menF 33 women