Ultramarathon
Event Record Athlete Date Place
50 km 3:08:39 Frith van der Merwe ( RSA ) 25 March 1989 Claremont , South Africa
100 km 6:33:11 Tomoe Abe ( JPN ) 25 June 2000 Yubetsu-Saroma-Tokoro , Japan
100 miles 12:42:40 Camille Herron ( USA ) 11 November 2017 Vienna , IL , USA
1000 km 7d 16:08:37 Paula Mairer ( AUT ) 29 Sep-6 Oct 2002 New York City , USA
1000 miles 12d 14:38:40 Sandra Barwick ( NZL ) 16-28 Oct 1991 New York City , USA
6 hours 85.492 km Nele Alder-Baerens ( GER ) 11 March 2017 Münster , Germany
12 hours 149.130 km Camille Herron ( USA ) 9-10 Dec 2017 Phoenix , Arizona , USA
24 hours 262.193 km Camille Herron ( USA ) 8-9 Dec 2018 Phoenix , Arizona , USA
48 hours 397.103 km Sumie Inagaki ( JPN ) 21-23 May 2010 Surgères , France
6 days 883.631 km Sandra Barwick ( NZL ) 18-24 Nov 1990 Campbelltown , Australia
IAU World Best Performances -- Women
An ultramarathon, also called ultra distance or ultra running, is any footrace longer than the traditional marathon length of 42.195 kilometres (26.219 mi).