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Triathlon Calendar near Sag Harbor 2025-2026

Explore the top triathlons near Sag Harbor for 2025-2026! We've gathered 36 exciting races in the area. Check out our detailed list below to find your next local race.

September 2025
Sep
13
Saturday

Run for the Hills - Niantic, CT

Trail Run 5 km
Sep
13
Saturday

Over the Bridge 5K & 10K Run/Walk

5 km 10 km
Sep
20
Saturday

Bound for the Sound

5 km 10 km
Sep
20
Saturday

Vin Zorbo Live Like Vin 5K Run/Walk

5 km
Sep
21
Sunday

Cockaponsett Trails to a Cure

Trail Run 4 mi 9 mi
Sep
28
Sunday

MightyMan Montauk

Triathlon
October 2025
Oct
5
Sunday

Run the Vineyards - Pindar Fall 8K

Trail Run 5 km 8 km
Oct
18
Saturday

5K Run for the Ridley

5 km
Oct
19
Sunday

Bimblers Bluff 50k

Trail Run 50 km
November 2025
Nov
1
Saturday

Southold Athletic Association 5K & Fun Run

5 km
Nov
3
Monday

Hudsy 5K Run/Walk

5 km
Nov
27
Thursday

EMO Turkey Trot 5K

5 km
Nov
27
Thursday

Montauk Turkey Run For Fun 3 & 6 Mile Run/Walk

3 mi 6 mi
December 2025
Dec
13
Saturday

Niantic Jingle 5K

5 km
May 2026
May
2
Saturday

Brew Run - New London

5 km
May
23
Saturday

Run for Briggs 5K

5 km
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