You’re not going to spend another summer just sitting around drinking beers with your friends every weekend and not getting anything done, are you? Starting now, consider yourself put on notice — this summer, sign up for an obstacle course race. In this week’s Thrive we take a look at three popular races that you should consider taking part in: Tough Mudder, Warrior Dash and Spartan Race. These events throw a ton of obstacles at you, turning a boring old 5 mile race into a thrilling, challenging, memorable day that’ll make for memories you’ll have for years afterward (not to mention that training for it might just kick your ass into better shape than you’ve been in for years).