Swim, bike, run for fun! This is the perfect starting point to try a tri. These races are about completion, not competition. All athletic levels are welcome. The only prerequisite is that you must be able to swim unassisted in deep water.

• Sunday, June 28, 2026 Goodson Recreation Center
• Saturday, July 25, 2026 Cook Creek Pool

Online registration closes at 11:59 pm the Thursday before each event.

Day-of registration opens at 6am on race day.  

Date and Location

Sunday, June 28, 2026 at Goodson Recreation Center in Centennial.

Age group times and distances

Age divisions are flexible. Please choose your race based on your age or your desired race distance. E-bikes are not permitted.

Course map

Register

Pre-Registration: $25
Day of (opens at 6am): $30

Register

Date and Location

Saturday, July 25, 2026 at Cook Creek Pool in Lone Tree.

Age group times and distances

Age divisions are flexible. Please choose your race based on your age or your desired race distance.

A mountain bike or hybrid type of bike is highly recommended for 10-12, Elite & Adult division bike portions. E-bikes are not permitted.

Course maps

Register

Pre-Registration: $25
Day of (opens at 6am): $30

Register

Triathlon Camps
Want your child to have a little more training before signing up for a tri? Join us for triathlon camp the week prior to work on all 3 events, plus transitions and endurance.  Work on all three events (swim, bike, run) plus transitions to prepare for a triathlon. Each different element of the sport will be introduced and practiced. Prerequisites: participants must be able to swim 25 yards unassisted, bicycle required with helmet. After training for a week, campers have the opportunity to sign up for the Cook Creek TRYathlon, that follows the camp on the weekend. Learn more about the camp available July 20-24 Cook Creek Camp.

Ages 6 - 12
$40 Resident, $50 Nonresident