In Run or Die, Kilian Jornet shares his passion for mountain running, offering a fascinating world rich with the beauty of rugged trails and mountain vistas.
The World’s Toughest Endurance Challenges profiles 50 of the most extreme marathons, triathlons, bike rides, climbs, open-water swims and other iconic endurance events from around the world.
In Inside the Box, veteran journalist and endurance athlete T.J. Murphy exposes CrossFit, the fast-growing "sport of fitness."
Topics: beginners, bodyweight exercises, book club pick, core strength, CrossFit, crosstraining, extreme sports, high-intensity interval workouts, strength and flexibility, strength training, weight training
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