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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 49 exciting races across the region. Find your next race in New York below and join the running community at these great events!

September 2026
Sep
13
Su

Mighty Hamptons Steve Tarpinian Memorial Olympic Distance Triathlon

Triathlon
Sep
19-20
Sa - Su

TOUGHMAN Westchester Triathlon

Triathlon
Sep
20
Su

Diamond Mountain Triathlon

Triathlon
Sep
26
Sa

Knights Fury Duathlon

Duathlon
Sep
26
Sa

IRONMAN 70.3 New York/Jones Beach

Triathlon
Sep
26
Sa

Ironman 70.3 New York

Triathlon
October 2026
Oct
4
Su

MightyMan Montauk

Triathlon
Oct
10
Sa

Cedar Creek Fall Duathlon

Duathlon
November 2026
Nov
8
Su

IC Tri for the Y

Triathlon