Tri the Rock

All you have to do is try! Tri the Rock youth

Come for a day of fun, food, prizes and sports. This annual youth triathlon is for young athletes ages five to 18. From kids who have never even heard of a triathlon to seasoned competitive triathletes, Tri the Rock encourages kids to get out and give it a try. 

Sunday, Sept. 11, 2022
6 -10:30 a.m.
Castle Rock Recreation Center (2022 only)

Registration and fees

Fees: $65

Register for the 2022 event. Registration closes Sept. 5.

Free Informational Clinic

Want to know the ins and outs of the Town’s youth triathlon?  Registration is required before Saturday, Aug. 27, and space is limited to 25 people per session. Early packet pick up will be available for registered clinic attendees. 

Register for the free clinic

Sunday, Sept. 4

  • 1 p.m. (ages 7-18)
  • 1:45 p.m. (ages 5-6)

Can’t make the clinic? Please review the clinic information (PDF).

New! Get race results in real time

You can access race results online or by downloading the HAL Sports app, which is available for both iOS and Android devices.

  1. 15-18 years old
  2. 11-12 and 13-14 years old
  3. 7-8 and 9-10 years old
  4. 5-6 years old

15-18 years old

New age group this year!

  • 7:30 a.m. start time
  • 100-meter swim (four pool lengths, down and back twice)
  • 16-kilometer bike ride
  • 3-mile run

Thanks to all of our triathletes!