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20 Bridges Manhattan Island Swim

20 Bridges Manhattan Island Swim takes place on Sat, Aug 29, 2026 in New York, United States. The main route is 45.9 km.

Date
Sat, Aug 29, 2026
Start
New York 🇺🇸
Distance
45.9 km
Level
Open to all
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The 20 Bridges Swim Around Manhattan is a 28.5-mile (45.9-kilometer) open water circumnavigation swim around Manhattan Island in New York.

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What this race demands

This 45.9-kilometer open water swim around Manhattan Island requires exceptional endurance to sustain continuous swimming over an extended duration.

Extended Endurance

The 45.9-kilometer distance demands a high level of aerobic conditioning and muscular stamina to maintain forward progress for many hours.

Open Water Resilience

Circumnavigating Manhattan Island in open water conditions requires mental toughness and the ability to manage fatigue without structured rest periods.

Given the prolonged duration of a swim of this distance, athletes should consume 60 to 90 grams of carbohydrates per hour through liquid feeds or approved nutritional support to maintain energy levels.

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