Thousand Islands Half Marathon, 10K & 5K
From Willow Running
- Date Fri 15th May 2026 - Sat 16th May 2026
- Time 5:00PM EDT
- Location Wellesley Island, New York
- Price $27.50 - $110.18
- Races 11 races
- Distances Half Marathon, 10km, 5km
Event summary
Kick off the festivities on Friday evening with the 5K race at the picturesque Thousand Islands Winery in Alexandria Bay, and then join us on Saturday for the main event featuring the 10K and Half Marathon. If you’re up for a challenge, consider signing up for the Island Double (5K & 10K) or the Island Super Double (5K & 13.1M) to truly test your limits! The event will culminate in a lively post-race celebration complete with awards and fantastic swag. Don’t miss out on this incredible opportunity to run, celebrate, and enjoy the beauty of the Thousand Islands—mark your calendars for this unforgettable weekend!
Organiser's Description
For 2026 we are returning to the Lake Course Executive Club House (21496 Club House Dr.) for the start/finish for Saturdays Half Marathon & 10K similar to years 2020-2023 & 2025.
Great views, great courses...always best swag!
Races
-
1000 Islands Half Marathon (No Shirt/No Medal)
Incl. $3.58 Fee
Sat 16th May 2026 (8:00AM EDT)
$46.58
CLOSEDA beautiful road course that will take you under the 1000 Islands Bridge and along the St Lawrence seaway! Due to popular demand for this race, the shirts and medals have sold out. You will get a unique bib that will indicate that you will not get a shirt or a medal but you can still join all the fun! Previous years medals will be available if you'd like one of those and they are very nice also. -
Thousand Islands Half Marathon
Incl. $5.80 Fee & Custom Apparel, Finisher Medal
Sat 16th May 2026 (8:00AM EDT)
$85.80
CLOSEDA beautiful road course that will take you under the 1000 Islands Bridge and along the St Lawrence seaway! -
1000 Islands 10K (No Shirt/No Medal)
Incl. $3.10 Fee
Sat 16th May 2026 (8:30AM EDT)
$38.10
CLOSEDDue to popular demand for this race, the shirts and medals have sold out. You will get a unique bib that will indicate that you will not get a shirt or a medal but you can still join all the fun! Previous years medals will be available if you'd like one of those and they are very nice also. -
Thousand Islands 10K
Incl. $4.78 Fee & Custom Apparel, Finisher Medal
Sat 16th May 2026 (8:30AM EDT)
$67.78
CLOSED -
1000 Islands 5K (No Shirt/No Medal)
Incl. $2.50 Fee
Fri 15th May 2026 (5:00PM EDT)
$27.50
CLOSED***Please note that the 5K will be held on Friday only*** The 5K is a road course that will be held at the Thousand Islands Winery, 43298 Seaway Ave, Alexandria Bay, NY 13607. Due to popular demand for this race, the shirts and medals have sold out. You will get a unique bib that will indicate that you will not get a shirt or a medal but you can still join all the fun! Previous years medals will be available if you'd like one of those and they are very nice also. -
Thousand Islands 5K
Incl. $3.58 Fee & Custom Shirt, Finisher Medal
Fri 15th May 2026 (5:00PM EDT)
$46.58
CLOSED***Please note that the 5K will be held on Friday only*** The 5K is a road course that will be held at the Thousand Islands Winery, 43298 Seaway Ave, Alexandria Bay, NY 13607. -
Island Super Double (5K & 13.1)
Incl. $7.18 Fee & Custom Apparel, 2 Finisher Medals
Fri 15th May 2026 (5:00PM EDT)
$110.18
CLOSED***Please note that the 5K will be held on Friday-May 15, 2026 with the start/finish at the Thousand Islands Winery, 43298 Seaway Ave, Alexandria Bay, NY 13607. Start time is 5:00pm The Half Marathon will be held on Saturday morning-May 16, 2026 on Wellesley Island with a start time of 8:00am -
Island Double (5K & 10K)
Incl. $6.16 Fee & Custom Apparel, 2 Finisher Medals
Fri 15th May 2026 (5:00PM EDT)
$92.16
CLOSED***Please note that the 5K will be held on Friday-May 15, 2026 with the start/finish at the Thousand Islands Winery, 43298 Seaway Ave, Alexandria Bay, NY 13607. Start time is 5:00pm The 10K will be held on Saturday morning-May 16, 2026 on Wellesley Island with a start time of 8:30am -
Thousand Islands Half Marathon (Virtual)
Incl. $5.80 Fee & Sweatshirt Hoodie, Finisher Medal
$85.80
CLOSEDThousand Islands Half Marathon Virtual can be run anytime between May 1 and May 31, 2026. Simply go to the race website and submit your time. Please email us at willowrunningNY@gmail.com when completed. Your packet will be mailed out one week ahead of the race. -
Thousand Islands 10K (Virtual)
Incl. $4.78 Fee & Sweatshirt Apparel. Finisher Medal
$67.78
CLOSEDThousand Islands 10K Virtual can be run anytime between May 1 and May 31, 2026. Simply go to the race website and submit your time. Please email us at willowrunningNY@gmail.com when completed. Your packet will be mailed out one week ahead of the race. -
Thousand Islands 5K (Virtual)
Incl. $3.58 Fee & Custom Apparel, Finisher Medal
$46.58
CLOSEDThousand Islands 5K Virtual can be run anytime between May 1 and May 31, 2026. Simply go to the race website and submit your time. Please email us at willowrunningNY@gmail.com when completed. Your packet will be mailed out one week ahead of the race.
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21496 Club House Dr., Wellesley Island, 13640, NY, United States
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Thousand Islands Half Marathon, 10K & 5K
