Setauket- East Setau.. close

Triathlon Calendar near Setauket- East Setauket 2025-2026

Explore the top triathlons near Setauket- East Setauket for 2025-2026! We've gathered 102 exciting races in the area. Check out our detailed list below to find your next local race.

October 2025
Oct
12
Sunday

Jaclyn M. Ramirez Annual Memorial 5K

5 km
Oct
18
Saturday

Sound Steps for Mental Health Recovery 5K Wellness Run/Walk

5 km
Oct
18
Saturday

5K Run for the Ridley

5 km
Oct
18
Saturday

Terryville Fire Department 5K Run/Walk

5 km
Oct
18
Saturday

NSRF Runtoberfest 5K

5 km
Oct
18
Saturday

Weekend Funrun Fairfield County 5K Run/Walk

5 km
Oct
18
Saturday

Town of Oyster Bay Supervisor's 5K Run/Walk

5 km
Oct
25
Saturday

SBFD Engine Company Monster Dash 5K Run/Walk

5 km
Oct
25
Saturday

Outrun the Stigma 5K Run/Walk

5 km
Oct
25
Saturday

The Running Dead 5K

5 km
Oct
26
Sunday

The Elizabeth Ferris Memorial 5K

5 km
Oct
26
Sunday

Matthew's Monster Dash 5K

5 km
Oct
26
Sunday

The Reservoir Run Half Marathon

5 km 13 mi
November 2025
Nov
1
Saturday

NSRF Long Island Turkey Trot 5K

5 km
Nov
2
Sunday

NSRF Fallback Half Marathon & 5K

5 km 13 mi
Nov
3
Monday

Hudsy 5K Run/Walk

5 km
Nov
9
Sunday

Colony Grill 'Hot Oil' 5K

5 km
Nov
9
Sunday

Nassau County Turkey Trot

5 km
Nov
15
Saturday

NSRF Long Island Turkey Trail Trot 5K

Trail Run 5 km
Nov
22
Saturday

Massapequa Park Turkey Trot

5 km 4 mi
Articles
Top 10 Marathons in the Netherlands — The Ultimate Dutch Marathon Bucket List: 10 Unmissable Races
The Beauty of the Easy Run — Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series