Running Weekly

A runner died at the Portland Marathon

A 24-year-old collapsed near mile 20 in Portland, two miles after seeing his wife. Plus Chicago's field lands Sunday, and a researcher says 10 grams of carbs an hour is dead.

The week's biggest

Races and results

Kosgei back in Chicago, Rupp chasing the US masters record

Chicago goes Sunday with Brigid Kosgei returning for the first time since her 2:14:04 world record there in 2019, and Jacob Kiplimo the clear men's favorite off a 2:00:28 from London.

CITIUS MAG
@CitiusMag
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This has been the most excited I've been heading into racing in a really long time.
Oct 7, 2026 · View on X

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How they train

Researcher says new data kills the 10 grams of carbs an hour claim

Javier Gonzalez says new data disproves the argument that 10 grams of carbohydrate per hour is enough to prevent hypoglycaemia (blood sugar dropping too low) during exercise. He credits the work to Henry Martyn and James Morton, and adds that absolute statements only need a single observation to be disproved.

Javier Gonzalez
@Gonzalez_JT
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Absolute statements only need a single observation to be disproved.
Oct 7, 2026 · View on X

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