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Triathlon Calendar near Syosset 2025-2026

Explore the top triathlons near Syosset for 2025-2026! We've gathered 161 exciting races in the area. Check out our detailed list below to find your next local race.

September 2025
Sep
13
Saturday

Haven 5K

5 km
Sep
13
Saturday

Squirrel Stampede 10K

10 km
Sep
13
Saturday

Planet NY Half Marathon

5 km 10 km 13 mi
Sep
13
Saturday

Esophageal Cancer Awareness 5K Run/Walk

5 km
Sep
13
Saturday

The Best Races - New York

5 km 10 km 13 mi
Sep
14
Sunday

Yonkers Marathon

5 km 13 mi 26 mi
Sep
14
Sunday

Girl Scouts of Nassau County Thin Mint Sprint 5K Run/Walk

5 km
Sep
20
Saturday

ZTTK

5 km
Sep
20
Saturday

Unity Race 5K Run/Walk

5 km
Sep
20
Saturday

The Great Cow Harbor 10K

10 km
Sep
21
Sunday

Prospect Park 13.1

13 mi
Sep
21
Sunday

Palisades Half Marathon

13 mi
Sep
21
Sunday

Inclusion In Motion

26 mi
Sep
21
Sunday

LiveOnNY Donor Hero's 5K Run/Walk

5 km
Sep
27
Saturday

Great South Bay Run

5 km 10 km 13 mi
Sep
27
Saturday

The New Yorker 10k

5 km 10 km
Sep
27
Saturday

Rockaway Beach Half Marathon

5 km 13 mi
Sep
27
Saturday

Jamaica Q 5K Walk/Run

5 km
Sep
27
Saturday

Front Runners New York Cross Country 5K

Trail Run 5 km
Sep
27
Saturday

The Best Races - New York

5 km 10 km 13 mi
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