Rachel Entrekin, 34, set a course record of 56 hours, 9 minutes, and 48 seconds, beating her previous time by 7 hours.

Rachel Entrekin has made history by beating a field of elite men and women to win the Cocodona 250 ultramarathon

Rachel Entrekin tells BBC Sport how she broke the course record for the Cocodona 250 ultramarathon in Arizona.