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Half Marathon Calendar near Islandia 2026-2027

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Explore the top half marathons near Islandia for 2026-2027! We've gathered 11 exciting races in the area. Check out our detailed list below to find your next local race.

September 2026
Sep
27
Su

Greenwich Half Marathon

13 mi
October 2026
Oct
3
Sa

Great South Bay Run

Road Race 5 km 10 km 13 mi
Oct
4
Su

SoNo Half Marathon

3 mi 13 mi
Oct
10
Sa

Punk Rock Run for Mental Health

Road Race 5 km 10 km Half Marathon
Oct
17-27
Sa - Tu

Suffolk County Marathon

Road Race Trail Run 5 km 10 km ... 26 mi 29 mi
Monthly updates for Islandia

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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
21
Sa

Storybook Half Marathon

Trail Run 13 mi
January 2027
Jan
23
Sa

Icebreaker Marathon

5 km 13 mi 26 mi
March 2027
Mar
27
Sa

Heckscher State Park Marathon

5 km Half Marathon Marathon
June 2027
Jun
26
Sa

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

Road Race 4 mi Half Marathon
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