Exercise jokes

I was asked to give a bicycle joke, but I couldn't...

I was two tired.

Confucius say, man who runs behind car will get exhausted, but man who runs in front of car will get tired.

Why did the gym close down? -- It just didn't work out.

What do sprinters eat before a race?

Nothing, they fast.

Yo mama is so unfamiliar with the gym, she calls it James.

When Chuck Norris does push-ups, he's pushing the Earth down.

When Chuck Norris wants to burn calories, he throws fat children into the fire.

"Chuck? How many push-ups can you do?" -- "All of them."