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Triathlon Calendar near Ashburnham 2026-2027

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Explore the top triathlon near Ashburnham for 2026-2027! We've gathered 1 exciting races in the area. Check out our detailed list below to find your next local race.

October 2026
Oct
3
Sa

The Great River Challenge

Cross Triathlon Short Course 4 2.5 3.75 mi Solo Triathlon SUP Short... 4 2.5 3.75 mi 2 Person Relay Team Triat... 4 2.5 3.75 mi 3 Person Relay Team Triat... 4 2.5 3.75 mi
Off‑road paddle, run and bike triathlon at Northfield Mountain featuring a mass-start river paddle around Captain Kidd's Island and single track run and bike courses.
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