The Manhattan Island Open Water Swim Challenge -- Our virtual swim simulator plots your open water swim course on a map. Sign up using the login link at the top of the screen. Then invite your fiends to join you on a virtual swim. After enrolling, use our swim calorie calculator to compute distance, pace and calories burned. Then save your swim in our swim workout log and apply the distance and calories to a open water swim challenge.
This swim calories calculator uses distance, time, weight and swim stroke to calculate calories burned. Please be aware that the calories burned is an estimate. Actual calories burned will depend upon many other factors, such as general health, water temperature, stroke efficiency.
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Race Statistics (Current)
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Our race is a 28.5-mile swim starting and finishing in Battery Park City on the Hudson River. Participants swim counter-clockwise around Manhattan Island.
From June to mid-July the water is in the mid 60's. From mid-July to mid-August the water is in the 70's. There can be a substantial amount of chop in the water from wind and tide action. Although the course is a mostly open freshwater, the waterways are saltwater and can be busy with shipping traffic.
Swimming in the waterways of New York City is a tradition dating back to the 1800s. In the 1920s, the swim around Manhattan grew in stature and national prominence. However, it popularity waned in the 1930s.
In 1993, a dozen swimmers and a band of volunteers opened the modern chapter of Manhattan Island Marathon Swim (MIMS).
The swim from this club is now an annual event every June. Registration opens in November and quickly sells out.