Tri the Rock

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.

Event details

Sunday, Sept. 10
6 to 11:30 a.m.
Butterfield Crossing Park and Pool

Registration and fees

  • $65 before June 1
  • $70 after June 1

Register for the 2023 event.

Free informational clinic

Want to know the ins and outs of the Town’s youth triathlon? Registration is required before Friday, Sept. 1, and space is limited to 25 people per session. 

Sunday, Sept. 3

  • 1 p.m. (ages 7 to 18)
  • 1:45 p.m. (ages 5 to 6)

Register for the free clinic.

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

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

15 to 18 year old course details

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

Thanks to all of our triathletes!