Farewell to Jack LaLanne

Farewell to Jack LaLanne
Bettmann / Corbis

Muscular Feat
As he aged, LaLanne did not give up on his regimen. In 1984, to celebrate his 70th birthday, he swam a mile across the Long Beach harbor, chained and shackled, towing a flotilla of 70 boats behind him.

Get the Latest Photos from Time.com
Get TIME photos and pictures of the week delivered directly to your inbox.