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Triathlon Calendar near Smithtown 2025-2026

Explore the top triathlons near Smithtown for 2025-2026! We've gathered 136 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
7
Sunday

Santa's Toy Trot 5K Run/Walk

5 km
Dec
13
Saturday

Frosty Forest 5K

Trail Run 5 km
Dec
13
Saturday

Ho Ho Ho 5K Run/Walk

5 km
Dec
14
Sunday

Jingle All The Way

5 km
Dec
14
Sunday

NSRF Santa Strut 5K

5 km
March 2026
Mar
21
Saturday

Kings Park 15K Run

15 km
May 2026
May
3
Sunday

NSRF May the 4th Be With You 5K

5 km
May
9
Saturday

Riverside Run 3 Mile

3 mi
May
9
Saturday

Glen Cove YMCA 5K Run/Walk

5 km
May
17
Sunday

BoFish Triathlon

Triathlon
May
17
Sunday

SOUL RYEDERS Half Marathon

5 km 21 km
May
23
Saturday

Run for Briggs 5K

5 km
June 2026
Jun
21
Sunday

Massapequa Firecracker 5K Run/Walk

5 km
Jun
21
Sunday

NSRF Presents The Rainbow Run 5K

5 km
July 2026
Jul
4
Saturday

Independence Day 4 Mile Run/Walk

4 mi
Jul
18
Saturday

Joe Koziarz 5K Run/Walk

5 km
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