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May 19, 2019
8:00 AM - 11:59 AM
Time Details:
Bike racks open at 6:30 a.m. Race starts at 8 a.m.
Butterfield Crossing Pool
Butterfield Crossing Park
3952 W. Butterfield

Castle Rock, CO 80109
$45 until May 15; $50 May 16-18
TRI the Rock logo 2019 Medal
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Tri the Rock Youth Triathlon

Sunday, May 19, 2019

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 even heard of a triathlon to seasoned competitive triathletes, Tri the Rock encourages kids to get out and give it a TRI. Deadline to register is 10 a.m. on Friday, May 17

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