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A comment on Sawe becomes first athlete to run a sub-two-hour marathon in a competitive race. Parent comment

Re:Sawe becomes first athlete to run a sub-two-hour marathon... by ano-ther on Monday April 27, 2026 @05:01AM (#47919274)
Re [0] how do they measure this reliably during a race, especially the C-isotopes in the breath?

From the picture it looks like he is only wearing a watch and there is perhaps a little bulge on his left side.

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Re:Sawe becomes first athlete to run a sub-two-hour marathon... by entropiae on Monday April 27, 2026 @05:40AM (#47919543)
They collected samples every 5k in the 30k long run before the marathon, see Substrate section in http://athlete.maurten.com/
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