Sinnemahone Ultra MarathonUSAUnited States15 Oct201633miDistfixed distance race19M 1717 menF 22 women
Ninghai Ultra Trail - 100kmCHNChina15–16 Oct2016100kmDistfixed distance race191M 166166 menF 2525 women
Taupo Ultramarathon 100kmNZLNew Zealand15 Oct2016100kmDistfixed distance race84M 5656 menF 2828 women
Endurance Challenge Chile 160kmCHIChile15–16 Oct2016160kmDistfixed distance race29M 2222 menF 77 women
Ultra Trail de México 50kmMEXMexico15 Oct201650kmDistfixed distance race430M 283283 menF 147147 women
Ultra Trail de México 100kmMEXMexico15–16 Oct2016100kmDistfixed distance race222M 190190 menF 3232 women
Indian Creek Fifties - 55 kmUSAUnited States15 Oct201655kmDistfixed distance race123M 7777 menF 4646 women
Indian Creek Fifties - 52 MilesUSAUnited States15 Oct201652miDistfixed distance race26M 2020 menF 66 women
Cave Creek Thriller 50K RaceUSAUnited States15 Oct201650kmDistfixed distance race51M 3636 menF 1515 women
Wild Duluth 50 km RacesUSAUnited States15 Oct201650kmDistfixed distance race144M 9292 menF 5252 women
Wild Duluth 100 km RacesUSAUnited States15 Oct2016100kmDistfixed distance race41M 3131 menF 1010 women
Palo Duro 50 km Trail RunUSAUnited States15 Oct201650kmDistfixed distance race124M 7878 menF 4646 women
Palo Duro 50 Mile Trail RunUSAUnited States15 Oct201650miDistfixed distance race17M 1515 menF 22 women
WC-50 Ultra Trail Marathon 50kmUSAUnited States15 Oct201650kmDistfixed distance race65M 4949 menF 1616 women
WC-50 Ultra Trail Marathon 50miUSAUnited States15 Oct201650miDistfixed distance race10M 99 menF 11 women
Autumn 100 Mile RaceGBRGreat Britain15–16 Oct2016100miDistfixed distance race179M 142142 menF 3737 women
Pilot Mountain to Hanging Rock 50K UltraUSAUnited States15 Oct201650kmDistfixed distance race125M 8484 menF 4141 women
Pilot Mountain to Hanging Rock 50M UltraUSAUnited States15 Oct201650miDistfixed distance race48M 3939 menF 99 women