Joker Among The Test Tubes Mugs

'How's your anti-gravity experiments coming, Keller?'

Banana Split...

'Which one of you told Glurk to stretch before running?'

Joust Sharpener

Jogging Bottoms

E=Emcee Squared

"I'm thinking about letting myself get old."

'Geez, I hate these fun runs!'

'I've met you before...I'm not good with names, but I never forget a pace!'

'The doctor is running a little late this morning; but a couple more laps around the park and he should be back at his desk.'

Long-legged clown...

"I've been telling everyone how athletic you are."

"I wanna be a clown when I grow up."

'There are two types of cholesterol - the good type, then the one you've got.'

False encouragement.

"Whoever pulls it out becomes King of Britain, but Phil licked the handle, so..."

'Nots so hot on my SATS, but I aced my STDS.'

AL'S GYM, 'We're going to make a new man of you!' 'Will he have new credit cards?'

Running With Scissors Marathon

Tred carefully mill.

Two men are jogging. One is noticing 'Danger Wide Load' sign on back of other.

Professor Axxis feels naked jogging without his toupee.

Bright Idea

"The tunnel at the end of the light!"

Caution: Jogger Makes Frequent Bathroom Stops

"My exercise routine appears to be working as long as I hang around fat people."

'Spinout!'

"Well, did it work?"

'Are we having fun yet...'

Runners have a pay toll.

"He's exercising his right to be wrong."