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Triathlon Calendar near Ronkonkoma 2025-2026

Explore the top triathlons near Ronkonkoma for 2025-2026! We've gathered 115 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
24
Sunday

Run the Vineyards - Memorial Day at Pindar 5K

5 km
May
30
Saturday

Great South Bay YMCA 5K Run/Walk in Memory of Judi

5 km
May
31
Sunday

Women's Whisper Triathlon

Triathlon
June 2026
Jun
6-7
Sa - Su

Fairfield Road Races

5 km Half Marathon
Jun
13
Saturday

St. Anthony's Feast 5K Run/Walk

5 km
Jun
21
Sunday

Massapequa Firecracker 5K Run/Walk

5 km
Jun
21
Sunday

NSRF Presents The Rainbow Run 5K

5 km
Jun
27
Saturday

Centurion Ultra Trail Event

Backyard Ultra 100 mi
July 2026
Jul
4
Saturday

Independence Day 4 Mile Run/Walk

4 mi
Jul
12
Sunday

Jamesport Triathlon

Triathlon
Jul
18
Saturday

Joe Koziarz 5K Run/Walk

5 km
Jul
26
Sunday

Run the Vineyards - Pindar Vineyards 5K

5 km
September 2026
Sep
5
Saturday

Hauppauge Fire Department 5K Run/Walk

5 km
Sep
5
Saturday

Sterling Down and Dirty 5k

Obstacle Run 5 km
Sep
12
Saturday

SFD Run For Heroes 5K Run/Walk

5 km
Sep
12
Saturday

Gulf Beach Half Marathon

13 mi
Sep
19
Saturday

The Great Cow Harbor 10K

10 km
Sep
20
Sunday

Wantagh Warrior 5K

5 km
Sep
26
Saturday

IRONMAN 70.3 New York/Jones Beach

Triathlon
Sep
27
Sunday

Long Island 6 Hour

6 hr
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