On the morning of 25 September 2022, Eliud Kipchoge lined up for the Berlin Marathon with a world record already to his name. Four years earlier, he’d run 2:01:39 on the streets of Berlin. Now 37, and a double Olympic champion, he was back to see if he could go faster still.
Berlin gave him every chance to put his best foot forward; an overnight drizzle had cleared before the 9:15 AM start, leaving a cool morning in the low teens, with light south-easterly winds breaking up the last vestiges…

