2018 REGISTRATION NOW OPEN

JUNE 2 - CASTLE ROCK, COLORADO
REGISTER HERE

RACE THE SUN

Compete solo or form a team of cycling amigos who love to shred. Register today for a memorable 12 HOURS of racing on the epic trails of Philip S. Miller Park in Castle Rock, CO.

RACE DAY COUNTDOWN

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*New* THE IRON TUSK AWARD

Do you have it in you? Race for 12 hours on Saturday and complete the Elephant Rock Century on Sunday…all for the IRON TUSK. Stay tuned for details and start training now!

Rules & Results

Need clairfication on the rules?  Check them out.

2018 Rules

How did you place last year?

2017 Results