Geoff Stults & Colin Egglesfield Go Shirtless at Nautica Triathlon!

Geoff Stults and Colin Egglesfield show off their hot bods while going shirtless at the Nautica Triathlon presented by Equinox on Sunday (September 14) at Zuma Beach in Malibu, Calif.

The guys were joined in the sporting event by Max Greenfield, Josh Hopkins, and many others.

PHOTOS: Check out the latest pics of Geoff Stults

“Maybe next year @geoffmstults!!! #nauticamalibutri @RxBar @ChildrensLA,” Colin wrote on Instagram along with his first place medal.

Last year, Colin finished in third place in the celebrity division.

25+ pictures inside of the guys participating in the triathlon…