Running Races in 11749 (Islandia, NY)

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more in or near 11749

See below for a frequently-updated, comprehensive list of upcoming running events in the local Islandia, NY area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.

Running-5K - College Students

Organization: All Souls Episcopal Church

Date of Race: 10-04-2026

Description: Come race or walk with us through the beautiful rolling hills, ...

Running-5K/INDIVIDUAL - 4 to 19

Organization: All Souls Episcopal Church

Date of Race: 10-04-2026

Description: Come race or walk with us through the beautiful rolling hills, ...

Running-5K/INDIVIDUAL - Individual Age group/open

Organization: All Souls Episcopal Church

Date of Race: 10-04-2026

Description: Come race or walk with us through the beautiful rolling hills, ...

Bubble Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶

Organization: Viral Run

Date of Race: 10-10-2026

Description: If you’ve done a traditional 5K, you know they ...

Bubble Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...

Organization: Viral Run

Date of Race: 10-10-2026

Description: If you’ve done a traditional 5K, you know they ...

Bubble Run | New York 2026

Organization: Viral Run

Date of Race: 10-10-2026

Description: If you’ve done a traditional 5K, you know they ...

SOLES for All Souls 5K Race/ 2K Walk

Organization: All Souls Episcopal Church

Date of Race: 10-04-2026

Description: Come race or walk with us through the beautiful rolling hills, ...

Walking-2K/INDIVIDUAL - Individual Age group/open

Organization: All Souls Episcopal Church

Date of Race: 10-04-2026

Description: Come race or walk with us through the beautiful rolling hills, ...

Walking-2K/INDIVIDUAL - 4 to 19

Organization: All Souls Episcopal Church

Date of Race: 10-04-2026

Description: Come race or walk with us through the beautiful rolling hills, ...

9/11 Memorial and Museum

Organization: Smithtown Recreation Department

Date of Race: 09-16-2026

Description: DescriptionVisit the 9/11 Memorial and Museum in NYC. A national ...

Walking-5K - College Students

Organization: All Souls Episcopal Church

Date of Race: 10-04-2026

Description: Come race or walk with us through the beautiful rolling hills, ...

2026 Cross Country Camp

Organization: Smithtown Booster Club

Date of Race: 08-17-2026

Description: Cross Country Camp - Register before 7/17/26 and save $25! ...

2026 Track & Field Camp

Organization: Smithtown Booster Club

Date of Race: 08-03-2026

Description: Track & Field Camp - Register before 7/03/26 and save $25! ...

Boys Basketball Elite Camp

Organization: St. Joseph's New York Athletic and Recreation Community Programs

Date of Race: 09-27-2026

Description: Single day camp running from 9:00 am - 1:00 pm on ...

Junior Lifeguards Session 2

Organization: Smithtown Recreation Department

Date of Race: 08-01-2026

Description: DescriptionThe Junior Lifeguard program is designed to teach future lifeguards (ages ...

Junior Lifeguards Session 2

Organization: Smithtown Recreation Department

Date of Race: 08-01-2026

Description: DescriptionThe Junior Lifeguard program is designed to teach future lifeguards (ages ...