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    Some Work, All Play

    Some Work, All Play

    About

    Five to ten topics, sometimes about running, with lots of love and enthusiasm and science. We dig deep into training, races, studies, pop culture, and much more! With Megan Roche, M.D. and David Roche!

    Hosted By

    David Roche and Megan Roche

    301. What To Do Pre-Race, How Metabolism Works For Athletes, Training Races, Colon Health for Runners, and a Great US Half Marathon Update!

    301. What To Do Pre-Race, How Metabolism Works For Athletes, Training Races, Colon Health for Runners, and a Great US Half Marathon Update!

    March 10, 2026
    1h 40m

    We stocked up on neck floaties before this great episode! The main topic was a discussion of the constrained total energy expenditure model, which argues that physical activity will often have a smaller impact on energy expenditure than predicted. We do an interdisciplinary zoom-out to talk about how it relates to the research on low energy availability and within-day deficits. The conclusion: fueling the fire is key to prevent the fire from going cold.

    We also have an exciting update from the US Half Marathon Champs! People always deserve love and compassion. But systems respond to pressure.

    And this one was full of amazing topics! Other topics: our hot tub experiment continues (DO NOT DO THIS), strange nervous system responses to uphill treadmill workouts, the Canyons 100k, why we love the LA Marathon giving an option to stop at 18 miles and receive a finisher’s medal, a rant about people who are angry about “participation trophies,” what runners can learn from cyclists about pre-race training, colon health for runners, training race timing and approach, worries about outdoor risks when running, and lots more.

    Let’s stock up on some big boss meals and GET SOME. We love you all! HUZZAH!

    -David and Megan

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    More from Some Work, All Play

    300. A Shocking Disgrace at the US Half Marathon Champs and What Needs To Happen Next, Learning From Elite Cycling Training, and Optimism Science!

    300. A Shocking Disgrace at the US Half Marathon Champs and What Needs To Happen Next, Learning From Elite Cycling Training, and Optimism Science!
    March 2, 2026

    299. The Best Underdog Story, LT1 v. LT2 workouts, 3 Tips for Health, Science on Supershoes and Slower Paces, and Structuring Training Weeks!

    299. The Best Underdog Story, LT1 v. LT2 workouts, 3 Tips for Health, Science on Supershoes and Slower Paces, and Structuring Training Weeks!
    February 24, 2026

    298. Ultra Training Philosophy, What Shorter Distances Can Learn from Ultras, Black Canyon 100k Records, a Weird Brain Study, and Metabolic Flexibility!

    298. Ultra Training Philosophy, What Shorter Distances Can Learn from Ultras, Black Canyon 100k Records, a Weird Brain Study, and Metabolic Flexibility!
    February 17, 2026