Running Weekly

Chicago's US all-time list gets corrected

David Monti had to reissue the list of fastest Americans in Chicago history, and LetsRun says the broadcast cut away from history for a sponsor interview. Plus: what a marathon does to your brain.

Races and results

Monti reissues corrected US all-time list from Chicago

David Monti posted a corrected version of the top times in history by American athletes at the Chicago Marathon. LetsRun's winners and losers piece landed the same day, crediting adidas dominance, Galen Rupp running 2:06 at 40, Vinny Mauri inspiring thousands and Clayton Young proving the doubters wrong.

LetsRun.com
@letsrun_news
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the race broadcast cut away from history for a corporate sponsor interview
Oct 13, 2026 · View on X

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How they train

Brady Holmer: post-marathon brain fog shows up in the data

Brady Holmer flags two studies from one research group finding that brain myelin (the fatty insulation around nerve fibers) drops after a marathon and returns to normal in about a month. The follow-up tested 43 marathon runners and 29 non-runners, and found processing speed and the ability to tune out distractions dipped briefly.

Brady Holmer
@Brady_H
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It protects the essential stuff and lets the demanding stuff slide.
Oct 12, 2026 · View on X

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