Valley of Fire Backcountry 100 km TrailraceUSAUnited States13–14 Nov2021100kmDistfixed distance race4M 33 menF 11 women
Valley of Fire Backcountry 100 Mile TrailraceUSAUnited States13–14 Nov2021100miDistfixed distance race24M 1717 menF 77 women
Osaka Natsunojin Kurondo Rondo - 90 kmJPNJapan13–14 Nov202190kmDistfixed distance race29M 2626 menF 33 women
Gaomei Wetland Ultra Run - 100kmTPEChinese Taipei13 Nov2021100kmDistfixed distance race22M 1717 menF 55 women
Gaomei Wetland Ultra Run - 45kmTPEChinese Taipei13 Nov202145kmDistfixed distance race16M 1414 menF 22 women
Abbots Way Winter Limited EditionITAItaly13–14 Nov2021118kmDistfixed distance race18M 1414 menF 44 women
Tunnel Hill 50 Mile RaceIAU SilverUSAUnited States13–14 Nov202150miDistfixed distance race368M 219219 menF 149149 women
Tunnel Hill 100 Mile RaceIAU SilverUSAUnited States13–14 Nov2021100miDistfixed distance race215M 136136 menF 7979 women
Dartmoor Way Granite 50miGBRGreat Britain13 Nov202150miDistfixed distance race57M 3737 menF 2020 women
Tollymore Trail Ultra MarathonGBRGreat Britain13 Nov202140miDistfixed distance race37M 3030 menF 77 women
Children of the Cane 100 MilesUSAUnited States13–14 Nov2021100miDistfixed distance race12M 99 menF 33 women
Non Aided Schwäbischer Wald Ultra Trail (NASWUT)GERGermany13 Nov202153kmDistfixed distance race31M 2424 menF 77 women