Submitted by chartr t3_xx6r6m in dataisbeautiful
spyder994 t1_irclhk5 wrote
Reply to comment by V1per41 in Eliud Kipchoge's New Marathon World Record, Visualized [OC] by chartr
The marathon I'm running next weekend requires that pacers demonstrate that they have run a marathon in a time at least 15 minutes faster than their pace time.
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