Thousand Islands Triathlon & Runs

The Thousand Islands Triathlon & Runs, held in Brockville, Ontario, offers a unique and scenic race experience featuring swim, bike, and run events with various distances including Olympic and sprint triathlons, duathlons, and 5K/10K runs. A standout feature is the 500-meter run through Canada's oldest railway tunnel, enhanced with music, lights, and shade, providing a memorable course highlight. The event boasts short transition distances for faster finishes and includes professional timing, on-course nutrition, race photography, and post-race refreshments.

It supports The Sobriety House charity and welcomes athletes aged 16 and older, with courses open to traffic requiring adherence to road rules. Visit the organization's website for the most recent information.