Trirock series

More than 1,400 participants rocked the swim, bike and run this weekend at the 10th running of the TriRock Austin Triathlon.

It was a warm, sunny weekend for competitors at the 12th annual TriRock Philadelphia Triathlon sponsored by Johnson & Johnson.

The TriRock Triathlon Series kicked off the 2016 tour Sunday morning in San Diego, the birthplace of triathlon.

Austin women dominated the Olympic-distance podium today despite hot temperatures at Monday's TriRock Austin triathlon.

Triathletes competed in the 2014 TriRock Colorado triathlon in Aurora, Colo. on Sunday, July 20.

TriRock Asbury Park featured an ocean swim, a flat and fast bike course and finished with a run on the famous Asbury Park boardwalk.

Organizers of TriRock Philadelphia have announced that the 2013 event will showcase a few new swim initiatives.

Austin's endurance community celebrated Labor Day by participating in the 2012 Land Rover TriRock Austin event.

A sold-out field raced at the 2012 Land Rover TriRock Austin Triathlon on Labor Day.

Over 1,200 athletes took part in the inaugural TriRock San Diego Triathlon in San Diego, Calif. James Cassimus spent the day photographing the athletes and the atmosphere. Were you a participant? See if you can find an image of yourself below!

The first-ever event of the TriRock triathlon series took place this morning at Embarcadero Park in San Diego, Calif. Over 1,200 athletes were greeted with cool and calm conditions.

Six-time Ironman World Champion Mark Allen provides tips on getting through your first triathlon race experience.