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Indexed listing · Stony Point, NYNot yet claimed
Diamond Mountain Triathlon. 2026
Nearby races · 12
Pulling race details. Checking the course notes.
Nearby races · 12
Diamond Mountain Triathlon takes place on September 20, 2026, at Lake Welch Beach in Stony Point, NY, with a midday start at 12:00 PM. The triathlon course includes a 0.5-mile swim in Lake Welch, a 15-mile bike loop around Harriman State Park, and a 2-mile run. A duathlon option features two 2-mile runs with the same 15-mile bike loop. All finishers receive medals; top-3 finishers in each gender and race distance earn additional awards, with overall triathlon winners receiving a championship suit. Free parking, restrooms, and water are available at the venue. Registration closes 20 minutes before the start, with online registration recommended.
Distances
Distances as listed on a public calendar. Nothing about entry, timing or inclusions is on file.
Getting there
Stony Point, NY. Exact start not reported.
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