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Running Calendar near Lake Ronkonkoma 2026-2027

Monthly updates for Lake Ronkonkoma

Get new running races (and updates) in your inbox every month.

Explore the top running races near Lake Ronkonkoma for 2026-2027! We've gathered 284 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
June 2026
Jun
7
Su

O'Neill's 5K

5 km
Jun
7
Su

Muddy Princess Long Island

Obstacle Run 5 km
Jun
7
Su

Bob Beckert Memorial 5K Run/Walk

5 km
Jun
7
Su

Rocky Point Fire Department Memorial 5K

5 km
Jun
10
We

LIRRC Wednesday Night Summer Series

5 km
Jun
11
Th

David Lerner Associates Long Island Police Appreciation Run 5K

5 km
Jun
13
Sa

Tyree Curry 5K

5 km
Jun
14
Su

Devil Dash 5K

5 km
Jun
14
Su

Run for the Rock 5K

5 km
Jun
14
Su

Mini of Fairfield County Seaside Triathlon and Duathlon

Triathlon
Jun
14
Su

Massapequa Firecracker 5K Run/Walk

5 km
Jun
17
We

LIRRC Wednesday Night Summer Series

5 km
Jun
20
Sa

NSRF Presents The Rainbow Run 5K

5 km
Jun
20
Sa

Hope Is Here 5K - Islandia

5 km
Jun
20
Sa

Quogue Midsummer Run 5K

5 km
Jun
21-28
Su

Raymond M. Downey Forever Running Memorial 5K

5 km
Jun
24
We

LIRRC Wednesday Night Summer Series

5 km
Jun
27-28
Sa - Su

Centurion Ultra Trail Event

Backyard Ultra 100 mi
Jun
27
Sa

Navy SEAL LT Michael P Murphy Run Around the Lake 4M Half Marathon

4 mi 13 mi
Jun
27-28
Sa - Su

Lindy Cares Color Run

5 km