

Thousand Islands
Sun, Aug 13, 2023 - 8:30 AM
Centeen Park. 70 Water St. East. Brockville, ON.
Event hosted by Somersault
ONLINE REGISTRATION IS NOW CLOSED We'll have a few bibs available for in-person registration this weekend. Email Adam@somersault.ca if you have any questions. Run through a piece of Canadian history - the oldest railway tunnel as part of your 1000 Islands run course. We can't overstate it - with the music, lights, and shade in the tunnel, it is the best course feature we've ever seen!
Where & When
Date & time
Sun, Aug 13, 2023 - 8:30 AM
Location
Centeen Park. 70 Water St. East. Brockville, ON.
Tickets offered by this event
Olympic Triathlon
Start time: 8:30 AM
CA$105.00
Olympic Triathlon Relay
Start time: 8:30 AM
CA$165.00
Sprint Duathlon
Start time: 8:30 AM
CA$80.00
Olympic Duathlon
Start time: 8:30 AM
CA$100.00
Olympic Swim Cycle
Start time: 8:30 AM
CA$85.00
5K Run
Start time: 8:30 AM
CA$50.00
10K Run
Start time: 8:30 AM
CA$60.00
Sprint Triathlon
Start time: 9:30 AM
CA$85.00
Sprint Triathlon Relay
Start time: 9:30 AM
CA$135.00
Try a Tri
Start time: 10:00 AM
CA$80.00
Key Highlights
Registration Deadline is Tuesday, August 8th at 6pm
Already signed up? CLICK HERE to read out pre race newsletter, to get all the last minute details.
Race and explore beautiful Brockville!
Run through a piece of Canadian history - the oldest railway tunnel as part of your 1000 Islands run course. We can't overstate it - with the music, lights, and shade in the tunnel, it is the best course feature we've ever seen!
Participants love:
- The tunnel. Have we mentioned how amazing it is as a run venue?
- The short transition distances. It's our shortest transition of the year, giving you a chance for a really fast finish time.
Included in your registration is:
- Bragging rights!
- A FREE virtual bike fit from MyVeloFit.
- A personalized race bib.
- A Somersault swim cap from ROCS/Zone3sports.
- Professional timing from Sportstats.
- On-course nutrition from F2C.
- Race Photography from FinisherPix.
- Post-Race snacks.
- Podium prizes provided by Crank Coffee Co for the top 3 men, women, and non-binary athletes in each race.
- Memories that you won't soon forget.
Important Deadlines:
- Medal Deadline - July 13th. We keep our prices low and make the finisher's medal an optional add-on. If you want to commemorate this achievement with a finisher's medal, make sure to register before July 13th and add the medal to your order.
- Shirt Deadline - July 13th. If you would like to pick up your souvenir shirt during bib pick-up or race day, it must be ordered before July 13th. If you miss the deadline, you can still order the shirt AT THIS LINK. The shirt will be available for online order starting August 12th. You can also try on some sample sizes at the event.
- Online Registration Deadline - August 8th at 6 pm. If you don't sign up by then, you can still sign up in person on race day, or at bib pick-up, subject to availability. Some of our races sell out, so make sure to sign up early!
Fundraiser

Charity of the Event
Throughout its 38 year history the Volunteer Centre of St. Lawrence – Rideau Serving Leeds & Grenville has played a vital role in building community capacity by providing leadership opportunities, training, and placement for volunteers in organizations and creating a sense of belonging and inclusion in the community for volunteers.
- Raised
- $515.00
- Goal
- $1000.00
Course Maps
- Swim Course
- Bike Course
- Run Course
- Spectator Guide