Thousand Islands Half Marathon, 10K & 5K
Race Date
May 15, 2026
Location
Wellesley Island, NY
The Experience
Take in the famous views of the Thousand Islands and Thousand Islands bridge. Once again, we will be offering the 5K on Friday evening at the Thousand Islands Winery in Alexandria Bay. On Saturday, we will offer the 10K and Half Marathon on Wellesley Island along with the post-race festivities and awards ceremony. If you are feeling ambitious, you are more than welcome to consider the Island Double (5K & 10K) or the Island Super Double (5K & 13.1M). This event is part The Get Fit Half Marathon Series. 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 plus we get to help the great people of Alexandria Bay as well as the ACS Booster Club!
Logistics
Race Day
Friday, May 15, 2026
Start Time
8:00 AM
Giveaway
Custom apparel, finisher medal
Start Location
21496 Club House Dr., Wellesley Island, NY, 13640
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Elevation Gain
469'
Elevation Loss
485'
Max Elevation
343'
Also Offers
Course Map
1 other map for this race
Historical Performance
Median Finish
2:14:59
10:18/mi
Winning Time
1:22:50
6:19/mi
Finishers (2025)
142
States Represented
11 / 50
Gender Split
Finish Time Distribution
FASTER 25%
1:58:36
MEDIAN
2:14:59
SLOWER 25%
2:42:25
Race Day Weather
5-year historical avgStart (Low)
48°
Afternoon (High)
68°
Pleasant conditions — light layers at start, comfortable by finish
0.1"
Precipitation
11 mph
Wind
71%
Humidity
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