Running Weekly

Your gel leaves 2 grams in the wrapper

Brady Holmer weighed a SiS Beta Fuel gel before and after squeezing: 40 grams labeled, about 38 delivered. Over an ultra that is most of an hour of fuel left in the foil.

Races and results

Mauri says his Chicago block was a volume experiment

Vinny Mauri says the build to Sunday's Chicago Marathon was about finding the ceiling on how much training he can absorb, in a quote posted by Chris Chavez. CITIUS MAG put out an interview with him on the treadmill training, his Chicago debut and his American record odds.

Chris Chavez
@ChrisChavez
X
If I can push up the volume and realize I can take a lot more of it, maybe next block I don't have to.
Oct 5, 2026 · View on X

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How they train

Holmer weighs a gel packet, finds 2 grams never leave

Brady Holmer weighed a SiS Beta Fuel gel before and after squeezing it: full packet 76.0 g, squeezed packet 9.3 g, so about 38 of the labeled 40 g of carbs actually got out.

Brady Holmer
@Brady_H
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Five percent sounds like nothing. It is not nothing over a race.
Oct 6, 2026 · View on X

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