One-Hour Workout: Endurance Run with Nasal Breathing

Source: Shutterstock

The following is from One-Hour Workouts, a collection of 50 swim, bike, and run workouts from top triathlon coaches that anyone can fit into a lunch hour–including warm-up and cool-down. Athletes can choose from base, tempo or speed workouts in each sport to match their training plan’s goal for the day.

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