at and t cellular: RLRH: Ketones might be the training edge you're missing

Friday, March 20, 2026

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Black and white banner featuring the text "Run Long Run Healthy from Brady Holmer" on the left. On the right, a person wearing a cap and athletic gear is running. The words "Marathon Handbook" are in the bottom right corner.

Here's your free but abridged version of this week's "Run Long, Run Healthy" newsletter. Subscribe here to receive the full edition with more on the latest scientific articles and research on training, nutrition, shoes, injury prevention, and motivation.

Ketones Might Be The Training Edge You're Missing

The ketone hype was almost right — scientists just had the timing wrong.

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New RLRH Podcast: Antioxidants For Runners: Myths, Benefits, And Blunting Effects

Brady and Thomas delve into antioxidants, reviewing the ISSN's recent position statement on antioxidants, and review popular supplements by their actual effectiveness.

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Also on Apple Podcasts, Spotify, and YouTube

Can You Outrun Time? What 4-Minute Milers Teach Us About Longevity and Elite Fitness

Research on 4-minute milers challenges the idea that "too much exercise" is harmful

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The Secret To A Stronger, Faster Marathon: Negative Splits

Why starting slower can help you finish stronger—using science-backed pacing to conserve energy, delay fatigue, and unlock your best marathon performance.

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