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cswanger22 t1_irdi1vo wrote on October 7, 2022 at 5:37 AM

Reply to comment by WWEtitlebelt in Eliud Kipchoge's New Marathon World Record, Visualized [OC] by chartr

I’ve done a couple of marathons and for the 3hr pacers they switch off at the midpoint. For slower finishing times usually a person can hold that pace for the whole race