Caution can’t save anyone from a sneaky slip. Kazlyn shared this clip of her mother-in-law tackling an obstacle course like a ...

Erin Beresini is a journalist covering fitness, endurance sports, and health science. She is the author of ‘Off Course: Inside the Mad, Muddy World of Obstacle Course Racing.’ Like marathons and ...

This is a great workout if you have a Marine Corps obstacle course available. If not, an outdoor pull-up bar will suffice, or there are other options listed below. We did this one on a holiday when ...