Edge | SI.com

Taking on the triathlon: A first-timer's quest to complete the swim, bike, run

One SI writer's sets out to make the transition from running to triathlon training. What does a newbie need to know to complete the race?

by Bette Marston

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Edge

How extended breaks help elite athletes—and why you should take them too

In an excerpt from the book Peak Performance, learn how extended breaks in training help elite athletes stay healthy and avoid burnout.

by Brad Stulberg and Steve Magness

Edge

What it's like to race in the Dirty Kanza 200

One SI writer's attempt to ride the Dirty Kanza 200, an ultra-endurance race over 200 miles of hilly gravel roads in Kansas.

by Tom Taylor

Edge

Training with Alex Honnold: How the free-climbing rock star gets his grip

Alex Honnold’s life is in his hands—those freakishly large palms and sausagelike digits, with fingerprints eroded away from years of wear. Here's how he gets those hands in shape to conquer the world's biggest cliffs.

by Jamie Lisanti

Edge

How measuring heart rate variability could make you a better athlete

Heart rate variability can be helpful for recovery and fatigue management for athletes, and the LifeTrak Zoom HRV fitness tracker is bringing that technology to consumers.

by Tom Taylor

Edge

Obstacle Course Racing moves one step closer to becoming an Olympic sport

Obstacle Course Racing could be the next Olympic sport, as the IOC looks to bring fresh energy and relevance to the Olympic games with new competition.

by Austin Murphy