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Running Calendar near Smithtown 2025-2026

Monthly updates for Smithtown

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

Explore the top running races near Smithtown for 2025-2026! We've gathered 117 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
December 2025
Dec
20
Sa

NSRF It's A Wonderful 5K

5 km
Dec
20
Sa

Greenwich Road Runners Jingle Bell Run

3 mi 6 mi
Dec
20
Sa

New Canaan Santa Run

5 km
Dec
21
Su

The Santa 5K

5 km
Dec
24
We

Ugly Sweater Fun Run

3 mi
January 2026
Jan
4
Su

MADD Dry 5K

5 km
Jan
11
Su

NYS Parks Winter Run Series - Heckscher

5 km
Jan
17
Sa

SRC 10 Mile Run

10 mi
Jan
17
Sa

10 Mile Brewery Run in Memory of Ric DiVeglio

10 mi
Jan
18
Su

NYS Parks Winter Run Series - Robert Moses State Park

5 km
Jan
24
Sa

Icebreaker Marathon

5 km Half Marathon Marathon
Jan
25
Su

Winter Wonderland 5 Miler

2 mi 5 mi
February 2026
Feb
1
Su

NYS Parks Winter Run Series - Jones Beach

5 km
Feb
21
Sa

NSRF Hot Cocoa Crush 5K - Salisbury

5 km
March 2026
Mar
8
Su

NSRF 4-Leaf Clover 5K Trail

Trail Run 5 km
Mar
21
Sa

Enchanted Forest Ultra Run

Backyard Ultra 50 km 6 hr
Mar
21
Sa

Kings Park 15K Run

15 km
Mar
21
Sa

The Debbie Moschello 4-Leaf Clover 5K Race

5 km
Mar
21
Sa

Runner In Red 5K Run/Walk

5 km
Mar
22
Su

NSRF Luck O'The Irish St. Patrick's 5K

5 km