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The original item was published from 8/22/2023 3:54:00 PM to 8/22/2023 4:00:09 PM.

News and Announcements

News and Announcements

Posted on: August 14, 2023

[ARCHIVED] Young athletes encouraged to ‘tri’ at annual youth triathlon Sept. 10

Tri The Rock, Sunday Sept. 10, Butterfield Crossing Park,

Pull on those swimsuits, dust off those bikes and lace up those sneakers! It’s time for Castle Rock’s annual Tri the Rock youth triathlon. 

The event is Sunday, Sept. 10. and is back at the newly renovated Butterfield Crossing Park and Pool, 3952 W. Butterfield Crossing Drive.

Youth athletes of all ability levels ages 5 to 18, are invited to participate. Registration is available at The race distances are:

  • Ages 5 to 6: 20-meter swim (one pool length), 1-kilometer bike ride (one lap around the park) and a 500-meter run
  • Ages 7 to 10: 50-meter swim (two pool lengths, down and back one time), 4-kilometer bike ride and a 1-kilometer run
  • Ages 11 to 14: 100-meter swim (four pool lengths, down and back two times), 8-kilometer bike ride and a 2-kilometer run
  • Ages 15 to 18: 200-meter swim (eight pool lengths, down and back four times), 16-kilometer bike ride and 3-mile run

Bike racks open at 6:30 a.m. for ages 7 to 18, and the transition area closes at 7:15 a.m. to prepare for the first race. The races begin at 7:30 a.m. and there will be a rolling start with age groups following in order from oldest to youngest. The race for ages 5 to 6 does not begin until 10:30 a.m. 

Event fees are $70 and the registration deadline is Tuesday, Sept. 5. Registration fees include a T-shirt, goody bag and post-race meal.

Is your child anxious about participating in a triathlon for the first time? Make sure they’re prepared with a free informational clinic on Sunday, Sept. 3, at Butterfield Crossing Park. Participants ages 7 to 18 are invited at 1 p.m. Younger athletes (ages 5 to 6) are invited at 1:45 p.m. The clinic is designed to ease anxiety for kids and their parents and will include a review of the race course and additional information. Although the clinic is free, registration is required because space is limited. 

Find more information and register at

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