Why Strength Training Shouldn’t Take a Backseat to Mileage—and How to Do Both Without Burning Out

This guide helps you figure out how to squeeze strength workouts between all those miles.
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Elite runners swear by this plan. Here's why you should think before trying double threshold training.

SCROLL THROUGH RUNNING TikTok or watch enough YouTube workout videos and you’ll start seeing the phrase “double threshold” pop up. It’s a training method associated with seemingly superhuman elite ...
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Polarized Training: 80/20 Rule for Faster Running Times

Polarized training is based on a clear 80/20 distribution: 80% of your training at low intensity (max HR 65–75%) and 20% intense (at or above the anaerobic threshold), while the middle zone is largely ...