Lewiston
Triathlon Calendar near Lewiston 2026-2027
Monthly updates for Lewiston
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Explore the top triathlons near Lewiston for 2026-2027! We've gathered 6 exciting races in the area. Check out our detailed list below to find your next local race.
July 2026
Triathlon and multisport races at Nelles Beach Park in Grimsby on July 18, 2026. Sprint, duathlon and relay formats are available, with a point to point swim run parallel to the shore.
August 2026
A multi-discipline race day at Beaver Island State Park on August 8, 2026 featuring triathlon, duathlon, aquabike and relay options with distances from 400 m swims to 17.7 km bike legs.
A women’s Sprint and Try A Tri on August 8, 2026 at Nelles Beach Park in Grimsby featuring lake swims, flat bike and run courses, age group waves and charity fundraising.
Open water swim and swimrun event at the Welland International Flatwater Centre on August 30 2026, featuring the return of the Welland 15K Ultraswim alongside other swim and swimrun distances.
September 2026
Barrelman Niagara Falls is on September 20, 2026 offering two triathlon formats with detailed course maps, shuttle info and results for participants and visitors.