Calendar module icon


View all calendars is the default. Choose Select a Calendar to view a specific calendar.

Select the arrows on either side of the current month to change the month.

View additional details about events by clicking on More Details or on the event’s title.
May 20, 2018
8:00 AM - 2:00 PM
Time Details:
6:30 a.m. - check in and bike drop off 8 a.m. - race begins
Butterfield Park
3952 W. Butterfield Crossing Drive
Castle Rock, CO 80104
Tri the Rock cropped logo
Facebook Twitter Google Plus Email

Tri-the-Rock Youth Triathlon

Sunday, May 20, 2018

It's waiting for you - all you have to do is try! Come for a day of fun, food prizes and sports. This annual youth triathlon is for young athletes ages 5 to 14. 

From kids who have never heard of a triathlon, to seasoned competitive triathletes, Tri the Rock encourages kids to get out and give it a TRI. 

2018’s Tri the Rock race will take place on Sunday, May 20! Register online today.

FREE First Timer Clinic
New to the sport of triathlon and wondering how it all works? Check out our free first timer clinic hosted by the Rock Tri Club.

Get more information about the clinic, including date, time, location and registration.

Race distances and age divisions
Tri the Rock now competes based on the athlete's age as of RACE DAY. Be sure to register accordingly.

5-6 years
• 25-meter swim (one pool length) 
• 1-kilometer bike ride (one lap around Butterfield Park) - course map 
• 500-meter run - course map 

Please note: check-in for this age group does not begin until 10:30 a.m. 

7-8 years and 9-10 years 

• 50-meter swim (two pool lengths, down and back) 
• 4-kilometer bike ride - course map 
• 1-kilometer run - course map 

11-12 years and 13-14 years 
• 100-meter swim (four pool lengths, down and back twice) 
• 8-kilometer bike ride - course map 
• 2-kilometer run - course map