Boston Bonanza - Course Record Analysis / Elite Runners Avoiding Carbs? / Acute Stress Anti-Doping Refusal

Boston Bonanza - Course Record Analysis / Elite Runners Avoiding Carbs? / Acute Stress Anti-Doping Refusal

April 21, 2026 · 1h 25m

About this episode

The episode analyzes the record-breaking Boston Marathon performances and discusses the role of carbohydrates in elite running.

Become a Science of Sport Supporter and show your appreciation for the pod, while also having your say and correcting Gareth and Ross' errors! A small monthly donation is all it takes! Show Notes The Spotlight today is heavily focused on an historically fast Boston Marathon, which saw an incredible 2:01:52 for defending champion John Korir. It obliterated the course record, with the podium all going under Geoffrey Mutai's 2:03:02 from 2011. It's been called one of the "truly great" marathon performances, but Ross isn't so sure. We try to put it into context, given Boston's occasional propensity to produce exceptional conditions, with a tailwind that not only cancels out the impact of its hills, but overcomes them to create freak times. We dive into both the men's and women's performances, discuss some of the remarkable stats of the day, and ponder exactly where Korir's performance lies? Also out of Boston, Tim Noakes watched the race, and because he didn't see Korir or Sharon Lokedi, the women's winner, take in any carbohydrates during the race, the obsession with carbs is misplaced, and elites don't use them the way we are told. We discuss that theory, offering a grain or two of…

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