Alistair Brownlee's Incredible Instinctive Sports Moment.

Alistair Brownlee, a two-time Olympic triathlon champion, relives his memorable moment of helping his exhausted brother across the finish line at the 2016 World Triathlon Series in Mexico. Brownlee said it was an instinctive action and he would do it again. The act of sportsmanship has been widely praised and is considered one of the most incredible moments in sports.