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Alcatraz Open Swim 2026

calendar_today 13 Sep, 2026

directions_run Running

pool Water sports

language Official Website

Alcatraz Open Swim 2026

About the Event

Join us for the 2026 Alcatraz Open Swim, an exhilarating open-water challenge that has become a beloved tradition among swimmers from around the globe. On Saturday, September 13, brave the legendary waters of San Francisco Bay and navigate your way through the iconic Golden Gate Bridge as you make your way from Alcatraz Island to Aquatic Park.
The event offers not only an unforgettable physical test but also a stunning visual experience. Participants will be rewarded with breathtaking views that capture the essence of this historic city, making every stroke more rewarding than the last.
Preparation and camaraderie are key components of this adventure. For those eager to prepare or simply mingle before the big day, the Alcatraz Open Swim offers several pre-event activities:
On September 12:
- From 5:00 pm to 7:00 pm, packet pickup and merchandise sales will be held at South End Rowing Club (SERC), located at 500 Jefferson Street (corner of Hyde).
- Enjoy a pasta dinner from 5:30 pm to 7:00 pm for those who wish to socialize or refuel before the swim.
On September 13:
- Early check-in begins at 5:00 am, with body marking and bag check available in front of South End Rowing Club (SERC), also located at 500 Jefferson Street.
- The final check-in will close by 6:00 am. Swimmers are then invited to a pre-swim walk from SERC to Pier 43, where the ferry departs at 7:30 am.
The swim itself kicks off promptly at 7:45 am as participants board the ferry for their journey across San Francisco Bay. The swim begins shortly after departure and is expected to conclude by around 9:15 am, with breakfast available throughout this period until all swimmers have reached shore.
After crossing the finish line, celebrate your achievement with a well-deserved meal before the awards ceremony at 10:00 am, where top performers will be recognized for their dedication and perseverance. Whether you're an experienced swimmer or new to open-water challenges, the Alcatraz Open Swim promises an unforgettable experience that combines natural beauty, athletic prowess, and community spirit.

Races Offered

Weather History

These values represent the 3-year monthly averages for September in SF.

thermostat Temperature
14.4° / 21.0°
wb_sunny Feels like
12.8° / 18.7°
light_mode Avg sunshine hours
water_drop Avg rainfall
ac_unit Avg snowfall
air Avg wind speed
opacity Sweat loss rate
terrain Course conditions
sunny Max UV Index
humidity_mid Humidity
80.5%
wb_twilight Sunrise
nightlight Sunset

About SF

Learn more about the host city, SF.

Scenic view of

San Francisco, officially the City and County of San Francisco, is a commercial, financial, and cultural center of Northern California. With an estimated population of 827,526 residents as of 2024, San Francisco proper is the fourth-most populous city in the U.S. state of California and the 17th-most populous in the United States. Among U.S. cities proper with over 300,000 residents, San Francisco is ranked second by population density, first by per capita income, and sixth by aggregate income as of 2023. Depending on how its borders are defined, the broader San Francisco Bay Area is home to 4.6–9.2 million residents. In 2024, the U.S. Census Bureau reported an estimated population of 4,648,486 for the city's metropolitan statistical area and 9,164,058 residents for the larger combined statistical area (5th-largest) shared with San Jose.

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Hotels & Places to Stay

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