Kenya's Vincent Kipchumba (L), Kenya's Eliud Kipchoge (C) and Kenya's Benson Kipruto (R) lead the elite men's race of the 2020 London Marathon in central London on October 4, 2020.[AP]
It's billed as the 42km contest of the season, with a start list brimming with menace, speed, endurance and athletic power.