Bukidnon STUR60 UltamarathonPHIPhilippines26–27 May201860kmDistfixed distance race214M 170170 menF 4444 women
Mungyeong 50 km Ultra MarathonKORSouth Korea26–27 May201850kmDistfixed distance race46M 3838 menF 88 women
Mungyeong 100 km Ultra MarathonKORSouth Korea26–27 May2018100kmDistfixed distance race184M 166166 menF 1818 women
IAU 24h EC Timisoara - 100 km SplitIAU BronzeROURomania26–27 May2018100kmDistfixed distance race162M 9494 menF 6868 women
Geoje Jimaek Trail Run - 48 kmKORSouth Korea26 May201848kmDistfixed distance race127M 103103 menF 2424 women
Pigtails Challenge 100 kmUSAUnited States26–27 May2018100kmDistfixed distance race26M 1313 menF 1313 women
Pigtails Challenge 100 MileUSAUnited States26–27 May2018100miDistfixed distance race14M 88 menF 66 women
Trail des Pyramides Noires 50 kmFRAFrance26 May201850kmDistfixed distance race131M 123123 menF 88 women
Trail des Pyramides Noires 105 kmFRAFrance26 May2018105kmDistfixed distance race87M 8282 menF 55 women
Geoje Jimaek Trail Run - 100 kmKORSouth Korea26–27 May2018100kmDistfixed distance race52M 4747 menF 55 women
IAU 24h EC TimisoaraIAU BronzeROURomania26–27 May201824hTimefixed time race169M 100100 menF 6969 women
Soaring Eagle 50 km Trail RunUSAUnited States26 May201850kmDistfixed distance race13M 99 menF 44 women
Booneville Backroads Ultra 50 kmUSAUnited States26 May201850kmDistfixed distance race38M 3131 menF 77 women
Booneville Backroads Ultra 100 kmUSAUnited States26–27 May2018100kmDistfixed distance race23M 2121 menF 22 women
Booneville Backroads Ultra 100 MileUSAUnited States26–27 May2018100miDistfixed distance race5M 33 menF 22 women
Trail del Monte Soglio - Gir LungITAItaly26 May201871kmDistfixed distance race131M 118118 menF 1313 women
London 2 Brighton ChallengeGBRGreat Britain26–27 May2018100kmDistfixed distance race843M 477477 menF 366366 women
Grand Union Canal Race 145 mile (GUCR)GBRGreat Britain26–28 May2018145miDistfixed distance race54M 4545 menF 99 women
Trail Sacred Forests 50kmIAU TrailITAItaly26 May201850kmDistfixed distance race116M 103103 menF 1313 women