Via Boston.com:
The Santa Speedo Run made its way through the streets of Boston, Saturday, for the 16th year. Runners were greeted with surprisingly warm weather for mid-December, making the event a little less chilly, but no less steamy. The runners started and ended with toasty brews at Lir Tavern, and ran a lap of Back Bay wearing nothing but skimpy swimsuits and Santa hats to raise money for charity.
For still photos of the Santa hotness, visit Boston Guy.