Whether you’re propelling yourself across a finish line or racing around the block, your lungs are just as important as your legs. After all, becoming a better endurance athlete is all about improving aerobic function, a factor of which is your body’s ability to take up oxygen and turn it into energy that will keep you going for a long distance at a relatively low intensity.

Kenyan Geoffrey Mutai won the Boston Marathon on Monday, finishing in 2 hours, 3 minutes, 2 seconds, the fastest 26.2 miles in history.

This is a complete program, in which participants will lose weight with the help of Gold's Gym's top trainers.  All contestants will be divided into two teams led by either Chris Bender or Aaron Cook.  These teams will compete for team prizes, and one individual will win the grand prize of a six month membership at Golds Gym, plus one night at the Gallatin Gateway Inn (including a dinner for two).

Just because you're not vying for 20-inch biceps or thunderously strong thighs like the muscle heads in the gym doesn't mean you should shun the weight room. Lifting weights gives you an edge over belly fat, stress, heart disease, and cancer—and it's also the single most effective way to look hot in a bikini. Yet somehow women are still hesitant: Only about a fifth of females strength train two or more times a week.