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Age Divisions and Race Maps
Age information
Age for Tri the Rock should be as of race year.

Newcomers and those worried about a longer track can register according to their age as of race day. However, these times will not be USA Triathlon official, and the participant will not be eligible for awards in that age division. It is up to the participant what he / she wants to do. In the end, we want all kids to try!

Download the 2010 race participant packet for more detailed information about the race, check-in and parking.

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

7-8 years and 9-10 years 
  • 50-meter swim (two pool lengths, down and back) 
  • 4-kilometer bike ride 
  • 1-kilometer run

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

Additional information
For more information, e-mail us or call 720-733-2284.

* Please note that the 5/6 year old age group does not begin check-in until 9:30 am on race day.  Find more information in the race participant packet.

Race maps


Castle Rock, CO
100 N. Wilcox St.
Castle Rock, CO 80104
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