Happy Sunday! As always, Links We Love brings you our favorite health and fitness inspiration from around the web. This week, we have acool infographic showing how many calories Olympians really burn, and reveal why Usain Bolt is a true speed demon. We want to show some love and share kick-ass content in the wellness world, so here are our picks:

Fitness

Why Usain Bolt Is So Fast — Q By Equinox

Find out the real reason Mr. Bolt is the world’s fastest man. It may surprise you.

Health

Powering Team USA [Infographic] — Chobani

Olympic swimmers, sprinters, and soccer players are burning a ton of calories.Luckily they have one of our favorite healthy snacks for fuel!

Happiness

The Real Reason Late-Night Facebooking Is Making You Depressed — Blisstree

Spoiler: It’s not because pictures of your ex show up in your newsfeed and seven new friends are engaged.

Blog Spotlight

Have The Olympics Inspired Your Workouts? — DailySpark

Michael Phelps’ 500 million medals are one thing — but do they motivate us to hit the pool too?

Grab Bag

Pull Up Or Shut Up [Video] — Bar Starzz

Want to be able to do a pull-up? We may all need a little tough love and inspiration.