Ed Whitlock who holds the best time in the Masters M80 5000 metres world record progression is the first person over 70 years old to run a marathon in less than three hours.
5000 m 20:58.12 Ed Whitlock (March 6, 1931  March 13, 2017) was an English-born Canadian long-distance runner, and the first person over 70 years old to run a marathon in less than three hours with a time of 2:59:10 in 2003. 
