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New York Triathlon Calendar 2025-2026

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Explore the best triathlons in New York for 2025-2026! Our updated list features 23 exciting races across the region. Find your next race in New York below and join the running community at these great events!

September 2025
Sep
14
Sunday

Rockaway Beach Triathlon

Triathlon
Sep
20
Saturday

Ironman 70.3 New York

Triathlon
Sep
20-21
Sa - Su

TOUGHMAN Westchester Triathlon

Triathlon
Sep
20
Saturday

IRONMAN 70.3 New York/Jones Beach

Triathlon
Sep
21
Sunday

Diamond Mountain Triathlon

Triathlon
Sep
27
Saturday

Knights Fury Duathlon

Duathlon
Sep
28
Sunday

MightyMan Montauk

Triathlon
Sep
28
Sunday

Atlantic Triathlon

Triathlon
October 2025
Oct
4
Saturday

Cedar Creek Fall Duathlon

Duathlon
Oct
5
Sunday

Central Park Duathlon

Duathlon
Oct
19
Sunday

Mohawk Towpath Byway Duathlon

Duathlon
Oct
25
Saturday

Rides & Strides

Multisport
November 2025
Nov
2
Sunday

Prospect Park Fall Duathlon

Duathlon
May 2026
May
30
Saturday

OnondagaMan

Triathlon
May
30-31
Sa - Su

Silver Serpent Multisport Festival

Multisport
June 2026
Jun - Aug
17-12
We - We

Hudson Valley Triathlon Club Summer Tri Series

Triathlon
Jun
20
Saturday

Ticonderoga Triathlon Festival

Triathlon
Jun
28
Sunday

Stissing Triathlon

Triathlon
July 2026
Jul
12
Sunday

Jamesport Triathlon

Triathlon
Jul
12
Sunday

Ironman 70.3 Musselman

Triathlon
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