Tri the Rock

It’s waiting for you ... all you have to do is try! Tri the Rock youth

Come for a day of fun, food, prizes and sports. This annual youth triathlon is for young athletes ages five to 18. 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 try. 

Rescheduled 2020 date
Sunday, Sept. 13
7:30 a.m.-noon

COVID-19 update: We appreciate your patience and understanding during these unprecedented times. Staff will take all necessary precautions to ensure a safe and fun event. All current health guidelines will be closely followed. The bike rack area will open at 6 a.m. for all racers in the 7-18 age groups. This transition area will be closed at 7:15 a.m. to prepare for the first race.

Free Informational Clinic

First time competing at Tri the Rock? Join us for a one-hour clinic on Sunday, Sept. 6 at Butterfield Crossing Park. 

  • 2 or 3 p.m. for ages 7-18
  • 4 p.m. for ages 5-6

Learn all the ins and outs of this triathlon. Registration is required and space is limited.

Can’t make the clinic? Please load the review the clinic information (PDF).

Registration and packet pick up

Registration is open. The first 100 registered will receive a commemorative Tri the Rock beanie at packet pick up. Packet pick up will be from 2 to 4 p.m. Saturday, Sept. 12, at the Miller Activity Complex.

  1. 15-18 years old
  2. 11-12 and 13-14 years old
  3. 7-8 and 9-10 years old
  4. 5-6 years old

15-18 years old

New age group this year!

  • 7:30 a.m. start time
  • 100-meter swim (four pool lengths, down and back twice)
  • 16-kilometer bike ride
  • 3-mile run


Looking to help out?volunteerconnectlogo-sm

We couldn’t do it without you! Volunteer shift sign-up available at

Thanks to all of our 2019 triathletes!