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Half Marathon Calendar near Stony Brook 2026-2027

Monthly updates for Stony Brook

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Explore the top half marathons near Stony Brook for 2026-2027! We've gathered 16 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
19
Su

SRC Half Marathon

5 km 10 km 13 mi
May 2026
May
1-3
Fr - Su

Long Island Marathon

5 km 10 km ... 26 mi 36 mi
June 2026
Jun
6-7
Sa - Su

Fairfield Road Races

5 km Half Marathon
Jun
27
Sa

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

4 mi 13 mi
September 2026
Sep
7
Mo

Faxon Law New Haven Road Race

5 km 20 km Half Marathon
Sep
12
Sa

Gulf Beach Half Marathon

Half Marathon
October 2026
Oct
3
Sa

Great South Bay Run

5 km 10 km 13 mi
Oct
4
Su

SoNo Half Marathon

3 mi 13 mi
Oct
17-27
Sa - Tu

Suffolk County Marathon

Trail Run 5 km 10 km ... 26 mi 29 mi
Oct
25
Su

The Reservoir Run Half Marathon

5 km 13 mi
November 2026
Nov
1
Su

NSRF Fallback Half Marathon & 5K

5 km Half Marathon
Nov
14
Sa

Punk Rock Run for Mental Health

5 km 10 km Half Marathon
Nov
21
Sa

Storybook Half Marathon

Trail Run 13 mi
January 2027
Jan
23
Sa

Icebreaker Marathon

5 km Half Marathon Marathon
March 2027
Mar
27
Sa

Heckscher State Park Marathon

5 km Half Marathon Marathon
Mar
27
Sa

Savin Rock Marathon

13 mi 26 mi
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