COACH'S CORNER

The Why Behind the Training

Evidence-informed running education made practical. Explore training, race strategy, performance, biomechanics, fueling, recovery and the small details that can make a meaningful difference in how you run.

Female runner checking her heart rate on a GPS watch during an outdoor training run.

Why Your Heart Rate Is Higher on Some Runs—Even at the Same Pace

Why does your heart rate rise even when your running pace stays the same? Explore the science behind cardiovascular drift, the factors that influence it, and how to adjust your training to build endurance and run more efficiently.

Female runner on an easy training run along a palm-lined waterfront path.

Why Easy Runs Make You a Faster Runner

Running faster starts with slowing down. Discover how easy running builds aerobic endurance, strengthens your cardiovascular system, improves recovery, and helps you become a faster, more efficient runner over time.

MORE RUNNING INSIGHTS

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