To register for the Triple Crown Series, simply enter and race each of the three races in the series for automatic entry.

Register for Race 1: 
TILDEN TOUGH TEN
Inspiration Point, Tilden Regional Park, Berkeley
Tilden Tough Ten 2019

Register for Race 2
LAKE CHABOT TRAIL CHALLENGE HALF MARATHON
Lake Chabot, Castro Valley
Lake Chabot 2019

Register for Race 3
THE WOODMONSTER TRAIL RACE
Redwood Regional Park, Redwood Gate, Owl Picnic Area, Oakland
Woodmonster 2019