Three Days of Syllamo 50 Mile RunUSAUnited States18 Mar202350miDistfixed distance race70M 4949 menF 2121 women
John Muir Way Ultra MarathonGBRGreat Britain18 Mar202350kmDistfixed distance race198M 135135 menF 6363 women
Northburn Station 100 km Mountain RunNZLNew Zealand18–19 Mar2023100kmDistfixed distance race15M 1010 menF 55 women
Northburn Station 100 Miler Mountain RunNZLNew Zealand18–19 Mar2023100miDistfixed distance race45M 2828 menF 1717 women
Northburn Station 50 km Mountain RunNZLNew Zealand18 Mar202350kmDistfixed distance race31M 2323 menF 88 women
Dagestan Wild Trail - Ultra 120RUSRussia18–20 Mar2023116.4kmDistfixed distance race54M 4545 menF 99 women
Courons à Londi' Contre Prader-Willi - 12hFRAFrance18 Mar202312hTimefixed time race4M 22 menF 22 women
Courons à Londi' Contre Prader-Willi - 6hFRAFrance18 Mar20236hTimefixed time race13M 1010 menF 33 women
Pulse Endurance Runs (Pickled Feet) 6 HourUSAUnited States18 Mar20236hTimefixed time race12M 66 menF 66 women
Winter-Ultrapicknick im HönnetalGERGermany18 Mar202346kmDistfixed distance race35M 2727 menF 88 women
Shifen Waterfall Ultra RunTPEChinese Taipei18 Mar202345kmDistfixed distance race17M 1616 menF 11 women
Endurancelife Sussex UltraGBRGreat Britain18 Mar202333miDistfixed distance race93M 7878 menF 1515 women
Lake Sun-moon TrailIAU TrailTPEChinese Taipei18–19 Mar202345kmDistfixed distance race45M 3333 menF 1212 women
Lake Sun-moon TrailIAU TrailTPEChinese Taipei18–19 Mar202375kmDistfixed distance race16M 1212 menF 44 women
Trail du Cirque du Fer à ChevalFRAFrance18 Mar202346kmDistfixed distance race195M 163163 menF 3232 women