Workouts are essential parts of any serious car racer's regimen, but Hunter-Reay adds an underwater twist by free diving – that is, submersing while holding his breath. What motivates him to reach depths between 25 and 65 feet below the surface? Spearfishing is most effective at those depths. "It's a good cardio workout that helps you build lung capacity," he comments. "I think that helps in the car, too."
Mark Ruffalo's Good Life Formula
How Hollywood's greenest star found peace.
Plus: The New Whiskey Masters
ON NEWSSTANDS NOW
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.