Grand Raid Réunion - La Diagonale des FousFRAFrance17–20 Oct2013163.5kmDistfixed distance race1,361M 1,2691,269 menF 9292 women
UltraPedestrian Wilderness ChallengeUSAUnited States15 Oct201345miDistfixed distance race16M 1212 menF 44 women
Memorijalni Ultramaraton Zagreb-VukovarCROCroatia15–19 Oct2013· 5 stages344kmDistfixed distance race5M 55 menF 00 women
John Holmes 50k Trail RunUSAUnited States14 Oct201350kmDistfixed distance race77M 3535 menF 4242 women
Bizz Johnson 50 km Trail RunUSAUnited States13 Oct201350kmDistfixed distance race61M 3535 menF 2626 women
Ashiya Hama Shiokaze Ultra Marathon - 50 kmJPNJapan13 Oct201350kmDistfixed distance race66M 6060 menF 66 women
Ashiya Hama Shiokaze Ultra Marathon - 70 kmJPNJapan13 Oct201370kmDistfixed distance race46M 4444 menF 22 women
Conociendo a la PACHA MAMA (UTCPM) 50KARGArgentina13 Oct201350kmDistfixed distance race22M 1515 menF 77 women
Conociendo a la PACHA MAMA (UTCPM) 100KARGArgentina13–14 Oct2013100kmDistfixed distance race36M 3333 menF 33 women
Green Monster Trail Challenge 50KUSAUnited States13 Oct201350kmDistfixed distance race61M 5353 menF 88 women
Mt. Pinatubo 50K Trail ChallengePHIPhilippines13 Oct201350kmDistfixed distance race50M 4141 menF 99 women
Hasetsune Cup - Japan Mountain Endurance RaceJPNJapan13–14 Oct201371.5kmDistfixed distance race2,127M 1,8781,878 menF 249249 women
Glacial Trail 50 km RaceUSAUnited States13 Oct201350kmDistfixed distance race119M 8282 menF 3737 women
Glacial Trail 50 Mile RaceUSAUnited States13 Oct201350miDistfixed distance race58M 4545 menF 1313 women
Farm to Farm 50 km Ultra RunUSAUnited States13 Oct201350kmDistfixed distance race12M 1010 menF 22 women
Farm to Farm 50 Mile Ultra RunUSAUnited States13 Oct201350miDistfixed distance race1M 11 menF 00 women
Köln Marathon 2013 Run 21+42kmGERGermany13 Oct201363kmDistfixed distance race75M 6060 menF 1515 women