Thousand Islands Triathlon & Runs
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Thousand Islands Triathlon & Runs : Brockville, ON
The event takes place on 9 August 2026 at Centeen Park, Brockville (70 Water St E / 85 Water St E listed for pickup). Organizers list a run course that passes through an historic railway tunnel approximately 500 m long, featuring music, lights, and shade. The bike course is open to traffic; participants on the bike course must follow the rules of the road. Volunteers are from The Sobriety House; fundraising has raised $65 toward a $5,000 goal.
Important deadlines and policies: shirt orders must be placed by 29 June; finisher-medal orders by 11 July. Online registration (if not sold out) closes 6 August at 6 pm. Refunds are available only if cancellation insurance is purchased.
Race options, services, and logistics
Available events and distances include:
- Olympic Triathlon - 1500 m swim · 40 km bike · 10 km run
- Olympic Swim Cycle - 1500 m swim · 40 km bike
- Sprint Triathlon - 750 m swim · 20 km bike · 5 km run
- Sprint Duathlon - 5 km run · 20 km bike · 2.5 km run
- Try a Tri (16+) - 200 m swim · 20 km bike · 2.5 km run
- 10K Run - 10 km
- 5K Run - 5 km
Registration includes a personalized bib, swim cap, professional timing, on-course nutrition, race photography, post-race snacks, and a free virtual bike fit. Podium prizes are awarded to the top three male, female, and non-binary finishers in each event. Bib pickup is at Centeen Park the day before and the morning of the event; an in-person orientation is scheduled the day before. Course maps and Strava route files are available. Visit the organization's website for the most recent information.