Yesterday (8 October), at the 2023 Chicago Marathon, Kelvin Kiptum of Kenya clocked an astonishing 2:00:35 to break the men’s marathon world record. break the men’s marathon world record.

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Here are a few fun facts in the wake of Kiptum’s mark:

  • Kiptum’s average pace per mile: 4:36.0
  • Kiptum’s average time per 5K: 14:17.3
  • Kiptum’s average time for one lap of a standard outdoor track: 68.58 seconds
  • Kiptum’s time at halfway: 60:48
  • Kiptum’s split for his second half marathon: 59:47
  • Average of Kiptum’s three career marathons: 2:01:17
  • Number of people who have run one marathon faster than Kiptum’s three-marathon career average on a record-eligible course: 1 (Eliud Kipchoge)
  • Amount by which Kiptum broke Eliud Kipchoge’s previous record of 2:01:09: 34 seconds
  • Amount by which the men’s world record has fallen since Kiptum was born on 2 December 1999: 5:07
  • Distance covered at Kiptum’s world record pace in 5:07: 1.11 miles