Arguably the greatest marathon runner of the modern generation. Aged 36, in Tokyo, he became only the third person in history to win back-to-back Olympic marathon gold medals, following on from his success in Rio de Janeiro in 2016. He mastered hot and difficult conditions in Tokyo in which 31 of the 105 starters did not finish. Having positioned himself at the front of the field, he finished in 2 hrs 8 mins 30 secs, winning by more than a minute. He is the current holder of the marathon world record with a time of 2:01:39, set in 2018. In October 2019, he ran under two hours in Vienna in an unofficial event.