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Diamond Mountain Triathlon

Sun September 20 2026
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Diamond Mountain Triathlon

Sun September 20, 2026
Stony Point, NY 10980 US Directions

Adult Triathlon (0.5mi/15mi/2mi)

0.5mi swim in Lake Welch
15 miles bike around Harriman Park (1 lap)
2 miles run on paved road with some gravel sections
Start Time:
12:00pm EDT
End Time:
2:20pm EDT
Price:
$110.00
Registration:
Price increases to $130.00 after August 31, 2026 at 12:01am EDT
Sign Up

Adult Duathlon (2mi/15mi/2mi)

2 miles run on paved road with some gravel sections
15 miles bike around Harriman Park (1 lap)
2 miles run on paved road with some gravel sections
Start Time:
12:00pm EDT
End Time:
2:20pm EDT
Price:
$90.00
Registration:
Price increases to $100.00 after August 31, 2026 at 12:01am EDT
Sign Up

Junior Triathlon (0.5mi/15mi/2mi)

0.5mi swim in Lake Welch
15 miles bike around Harriman Park (1 lap)
2 miles run on paved road with some gravel sections
Open to ages 15 - 18.
Start Time:
12:00pm EDT
End Time:
2:20pm EDT
Sign Up

Junior Duathlon (2mi/15mi/2mi)

Starting with adults
2 miles run on paved road with some gravel sections
15 miles bike around Harriman Park (1 lap)
2 miles run on paved road with some gravel sections
Open to ages 15 - 18.
Start Time:
12:00pm EDT
End Time:
2:20pm EDT
Sign Up

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