Kudo holds the women 's record in the 24 - hour run on the track and road , also the 48 - hour run road discipline .
Mami Kudo -- Mami Kudo is a Japanese ultramarathon runner and women 's winner of the 2013 IAU 24 Hour World Championship .
ultramarathon runner holds the women 's record in the 24 - hour run on the track and road , also the 48 - hour run road discipline .
Mami Kudo -- Mami Kudo is a Japanese ultramarathon runner and women 's winner of the 2013 IAU 24 Hour World Championship .