‘We raced our hearts out!’ Zac Efron shows off his muscular shape as he takes part in charity triathlon to help kids with cancer

He displayed his charitable side by visiting the young patients at Children’s Hospital Los Angeles on Friday.

And Zac Efron, his younger brother Dylan and their pal, Olympic gold medal swimmer Connor Dwyer, turned up as Team Flow to compete in the Nautica Malibu Triathlon at Zuma Beach in Los Angeles County on Sunday. 

The trio helped raised funds for the hospital’s pediatric cancer center.