Michael J. Joyner

Michael J. Joyner

Michael J. Joyner, M.D., is an expert in human performance at the Mayo Clinic.

What it will take to run a sub-two-hour marathon
Edge

In 1991, Michael Joyner published the first scientific paper on how fast a person could run a marathon. 25 years ago he wrote 1:57:58 was possible and explains how and why he's sticking with that prediction.

Michael J. Joyner
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How to get your body used to working out in hot weather
Edge

Ever wonder how many scorching, sweat-soaked workouts it takes to get your body adjusted to the heat? Follow these tips and tricks from Dr. Chris Minson to ensure you're boosting performance with your hot weather training and staying safe while doing it.

Michael J. Joyner
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