Escape from Alcatraz Triathlon
San Francisco, United States · June · Independent (Mari Group; benefits Golden Gate National Parks Conservancy)
Course: 2.4 km (1.5 mi) swim, 29 km (18.0 mi) bike, 13 km (8.1 mi) run. 1.5 mi swim, 0.5 mi (0.8 km) run to transition, 18 mi bike, 8 mi run (2.4 / 0.8 / 29 / 13 km)
Why people love it
- Jump from a ferry beside Alcatraz, then swim 2.4 km (1.5 mi) back to the city
- Run passes under the Golden Gate Bridge to Baker Beach
- Entry is by lottery: about 12,000 applied for 1,500 individual places in 2026
- Since 2026 a staff-controlled start sends small groups off every 5 to 10 seconds
Watch out for
- Bay water is 12 to 14 °C (54 to 57 °F) with a strong tidal current
- Bike climbs about 457 m (1,500 ft) in 29 km (18 mi) on rough, technical roads
- No aid on the bike and gels are not allowed on course
- Pre-dawn bus and ferry, and parking is very difficult. Skip the rental car.
- The 2025 start injured a competitor. Check the current start rules.
Race
How racers feel about it, how well it is run, and how it treats a first timer. Counts for 30% of the overall score.
Toughness: Very tough
- Racer satisfactionLoved4.4
Bucket-list praise runs from 2007 to 2026. The chaotic 2025 start and a serious injury pull it down slightly. · Medium confidence
- OrganizationWell run3.7
2026 check-in was smooth and the new time-trial start was calmer. The 2025 jump start was chaotic and an injury followed. · Medium confidence
- First timer friendlyDemanding1.8
Cold tidal bay, hills, 400 sand steps and a lottery entry. Built for experienced athletes. · Medium confidence
Course traits, not part of the score
- PR potentialSlow1.5
Winners took 2:01:36 and 2:15:22 on a hilly, technical, cold course with a long swim. Nobody comes here for a personal best. · Medium confidence
Swim
Wetsuit odds, water temperature, calm, and the experience of the start. Counts for 16% of the overall score.
- Wetsuit legalAlmost always4.9
Water is 12 to 14 °C (54 to 57 °F), far below the 25.6 °C (78 °F) limit. Wetsuits, hoods and booties are standard. · High confidence
- Water temperatureExtreme1.3
Bay water is 12 to 14 °C (54 to 57 °F), well below 15 °C (59 °F) most years. · High confidence
- Calm waterChoppy2.1
Chop, swell and strong cross-currents reported in 2007, 2016, 2022 and 2023. 2026 was fairly calm. Swim cancelled once, in 2017. · Medium confidence
- Swim easeHard1.5
2.4 km (1.5 mi) swim in a tide of 1.5 to 2 km/h (1.2 mph). Missing shore landmarks sends you toward the Golden Gate Bridge. · High confidence
- Swim experienceGreat3.8
Jumping from a ferry beside Alcatraz is loved, but the swim is cold and long, and the 2025 jump start was chaotic. · Medium confidence
- Swim supportStandard3.2
More kayaks and paddleboards in 2026, a pick-up cut-off at 1 hour, and a staff-controlled start. Still cold, rough open water. · Medium confidence
Bike
Road surface, closures, scenery and wind. Counts for 18% of the overall score.
- Road surfacePatchy2.3
Rough, patched roads and poor pavement in Golden Gate Park. A steep descent leads to a hard left turn. · Medium confidence
- Road closuresMostly closed3.5
Half-road cones and a disqualification rule for crossing them suggest lane closures, not fully closed roads. · Low confidence
- Bike scenerySpectacular4.5
Presidio, Legion of Honor, Pacific coast and Golden Gate Park. · Medium confidence
- WindSome wind3.0
Coastal Great Highway section is exposed, but reports say little about wind. · Low confidence
Course traits, not part of the score
- Bike speedSlow1.8
About 457 m (1,500 ft) of climbing in 29 km (18 mi), rough pavement and speed bumps make it slow. · Medium confidence
- Bike flatnessHilly2.0
457 m (1,500 ft) in 29 km (18 mi) scales to about 630 m (2,070 ft) over 40 km (25 mi). Hilly. · Medium confidence
- Bike simplicityTechnical2.0
Technical corners, speed bumps and a steep descent into a hard left turn near the park. · Medium confidence
Run
Crowds, aid stations, conditions underfoot and scenery. Counts for 13% of the overall score.
- Crowd supportDecent3.0
Thin on the Baker Beach trail and the bike out-and-back, strong at the Marina Green finish. · Low confidence
- Aid stationsStandard3.3
No aid and no gels on the bike. Run aid is standard, with little detail in reports. · Low confidence
- Run scenerySpectacular4.8
Golden Gate Bridge, Fort Point, Baker Beach and the Pacific coast. · High confidence
- Run conditionsHard1.8
Deep sand, a 400-step ladder and a trail with a low tunnel, run on tired legs after the cold swim and hills. · Medium confidence
Course traits, not part of the score
- Run flatnessHilly2.0
Climb to the bridge, a 400-step sand ladder and trail. The last 5 km (3.1 mi) are flat or downhill. · Low confidence
Conditions
Air temperature, how predictable the weather is, setting, and spectating. Counts for 13% of the overall score.
- Air temperaturePleasant4.0
Typically 11 to 19 °C (52 to 66 °F) with cool fog. Cold in transition and wet in some years. · Medium confidence
- Weather reliabilityVariable3.0
Rain and fog in 2022, perfect weather in 2026, and wind cancelled the swim in 2017. · Medium confidence
- Venue beautyStunning4.9
Alcatraz, the Golden Gate Bridge and the San Francisco skyline. · High confidence
- Spectator friendlySome viewpoints3.0
The swim is boat-based and hard to see. Spectators gather at Marina Green and Baker Beach. · Low confidence
Course traits, not part of the score
- Low altitudeSea level5.0
Sea level, about 3 m (10 ft). · High confidence
Stay and travel
Hotels, walkability, getting there, and the town around the race. Counts for 10% of the overall score.
- Hotel availabilityBook early3.2
Large city with many rooms, but 1,500 athletes plus June demand. Book early. · Low confidence
- Hotel valuePricey1.8
San Francisco hotels and parking are expensive. · Medium confidence
- WalkabilitySome driving3.2
Transition and finish at Marina Green are near Marina hotels, but the bus to Pier 3 and ferry leave before dawn. · Medium confidence
- Travel easeVery easy4.5
San Francisco airport is 21 km (13 mi) away, with BART and rideshare. · High confidence
- LogisticsFiddly2.3
Pre-dawn bus, ferry, swim to Marina Green, a second transition 0.8 km (0.5 mi) away and a mandatory briefing. · Medium confidence
- Town and foodGreat4.8
San Francisco has great restaurants and neighbourhoods. · High confidence
Key facts
- Location
- San Francisco, California, United States
- Typical month
- June
- Latest or next date
- 6 June 2027
- Organiser
- Independent (Mari Group; benefits Golden Gate National Parks Conservancy)
- Field size
- About 1,500 athletes
- First held
- 1981
- Distances (non-standard)
- 2.4 km (1.5 mi) swim, 29 km (18.0 mi) bike, 13 km (8.1 mi) run
- Cutoffs
- Swim 1:30 after start (8:30 am) with pick-up at 1:00, Bike 3:00 after start (10:15 am)
- Swim venue
- San Francisco Bay, from near Alcatraz Island to Marina Green (bay)
- Water temperature
- 12–14 °C (54–57 °F)
- Wetsuit
- Legal; hoods and booties common
- Swim start
- jump from a ferry, staff-controlled time-trial groups (2026)
- Swim laps
- 1
- Bike climbing
- 457 m (1,500 ft)
- Bike laps
- 1
- Key climbs
- Legion of Honor hills; steep return climb
- Run laps
- 1
- Run shade
- Little; fog and cool air common
- Air temperature
- 11–19 °C (52–66 °F)
- Humidity
- Cool, foggy mornings; clearer later
- Altitude
- 3 m (10 ft)
- Nearest airport
- San Francisco International (SFO), 21 km (13 mi) away
- Where to stay
- Marina District, Fisherman's Wharf
- Booking
- SF hotels are expensive; Marina and Fisherman's Wharf are closest to Marina Green. Parking is hard; use rideshare. Race-weekend check-in required in advance (athlete briefing mandatory).
What racers and reviewers say
- Slowtwitch forum: Alcatraz Race Report (long)Raced 2007 · forum · Positive
Age-grouper's long report from 2007. Swim took about 41 min in choppy 57 °F (14 °C) water with a left-to-right current. Bike had many steep hills and rough pavement in Golden Gate Park. The run included the 400-step sand ladder. Race felt well organised and a standout day.
“I just can't say that I've ever had a better time at a race.”
- blueseventy: Escape from Alcatraz TriathlonRaced 2016 · article · Mixed
Gear-brand swim advice from an athlete who raced in 2016. Bay water rarely passes the mid-60s F (about 18 °C (64 °F)), so hoods and booties are common. Big swells and strong currents; aim straight across and let the current carry you. Six strokes without sighting can put you about 15 m (49 ft) off line.
- Organization for Autism Research: Race RecapRaced 2018 · blog · Positive
Charity-team recap of the June 2018 race. An 11-person first-time team all finished, about 2,000 athletes raced, and the water was around 54 °F (12 °C). First team finisher took 2:55; one woman placed third in her age group. Tone is celebratory.
- Triathlon Magazine Canada: Words to describe Escape from AlcatrazRaced 2018 · article · Positive
Calls it one of the toughest non-drafting Olympic-length races anywhere. Cold, wavy swim off a ferry, technical bike with lots of climbing and descending, then a varied run over sand, trail and stairs. Describes it as gruelling but rewarding.
- Slowtwitch: Lagerstrom and Hering Escape Alcatraz with WinsRaced 2022 · article · Mixed
Race news from the wet, foggy 2022 edition. Water was about 57 °F (14 °C) with a strong current that demanded constant sighting. Rain made the hilly bike harder. Winning times were 2:01:36 (men) and 2:15:22 (women), slow for the length of the course.
Show 5 more
- Slowtwitch: Escape From Alcatraz Race RecapRaced 2023 · article · Positive
Elite racer's 2023 account. The start was farther from shore than the year before and the current faster, so the swim was long (some Strava files over 3 km (1.9 mi) / 1.9 mi). Bike has punchy hills, technical corners and speed bumps; gels are not allowed. Run mixes road, trail and the steep sand ladder, with an early shuttle and boat schedule.
- Triathlete: Everything You Need To Know About The Escape From Alcatraz CourseRaced 2023 · article · Mixed
Course guide. Bay water sits around 55 °F (13 °C), mornings are foggy and cold. Bike is 18 mi (29 km) with about 1,500 ft (457 m) of climbing on rough, technical roads. Run has about 1.5 mi (2.4 km) flat, a climb to the bridge, then 400 sand steps. Advises skipping a rental car because parking is hard.
- Slowtwitch forum: 2026 Escape from Alcatraz race reportRaced 2026 · forum · Positive
First-timer in 2026. New staff-controlled start sends small groups off every 5 to 10 seconds, which he found far safer than the old free-for-all. Swim was challenging but fairly calm, check-in was smooth, weather was good. Notes new owner (Mari Group) after IMG sold its sports division. Bucket list ticked.
“It was a great day for racing in perfect weather”
- Carson Now: Asa Morway tops 18-19 age divisionRaced 2026 · article · Positive
Local story on the 7 June 2026 edition, the 40th. About 12,000 people entered the lottery for around 1,500 individual slots plus 250 relay teams from 68 countries. Bus from Marina Green to Pier 3, ferry, then a swim in 'frigid' water back to Marina Green. An 18-19 age group winner finished in about 2:42.
- Triathlete: Racers Recount the 2025 Escape From Alcatraz Start That Led to Injuries, ParalysisRaced 2025 · article · Negative
News feature on the 2025 swim start. Athletes describe a chaotic boat jump where people kept leaping while others were in the water; one competitor was left paralysed (headline and teaser read; full article is paywalled). A follow-up says the 2026 edition changed ownership and the start format.
“I looked up at the boat for help, but people were still jumping.”
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