MARATHON SWIM · 25 KM
The Passage · 25 km
Lopes Mendes → Praia do Cazuza (Portogalo). Solo or a relay of 2, 3 or 4 swimmers.
The Passage leaves Lopes Mendes, on the ocean side of Ilha Grande, and finishes at Praia do Cazuza, Portogalo, on the mainland. Its 25 km match the longest open water race in official championships.
It can be swum solo or as a relay of two, three or four swimmers, in one-hour legs.
The route in numbers
- Distance
- 25 km
- Start
- Lopes Mendes
- Finish
- Praia do Cazuza (Portogalo)
- Formats
- Solo or a relay of 2, 3 or 4 swimmers
- Pace swimmer (solo)
- Up to 3 one-hour swims
- Relay leg
- 60 min per swimmer, fixed order
- Equipment
- Standard, no wetsuit
Who has swum this route
Figures from the BISA swim log. The fastest time in a selection is a reference, not a ratified record.
- completed swims
- 10
- solo
- 10
- relay
- 0
- since
- 2021
- Fastest solo time logged
- 6 h 59 min 07 s · Samir Barel · Aug 26, 2022
Carla Fontes · Aug 13, 2025 · From Daniel Righetti’s archive 
Marcelo Augusto Cesar · Jul 24, 2023 · From Daniel Righetti’s archive 
Edson Clayton Pereira Vianna · Dec 18, 2022 · From Daniel Righetti’s archive
Most recent completed swims
| Date | Swimmer or team | Time |
|---|---|---|
| Nov 23, 2025 | Luiz Rentato TopanSolo | 8 h 31 min 57 s |
| Aug 13, 2025 | Carla FontesSolo | 9 h 16 min 32 s |
| Jul 24, 2023 | Marcelo Augusto CesarSolo | 8 h 26 min 48 s |
| Dec 18, 2022 | Edson Clayton Pereira ViannaSolo | 11 h 59 min 03 s |
| Aug 26, 2022 | Samir BarelSolo | 6 h 59 min 07 s |
Other routes
- 12 kmFuga da IlhaAbraão → Praia do Engenho (Portogalo)Solo only
- 16 kmChallengeFreguesia de Santana → PousoSolo or two-person relay
- 22 kmBay CrossingPraia dos Meros → Pouso de CajaíbaSolo or a relay of 2, 3 or 4 swimmers
- 37 kmShelteredMeros → AbraãozinhoSolo or a relay of 2, 3 or 4 swimmersultra
- 48 kmUnshelteredAroeira → LongaSolo or a relay of 2, 3 or 4 swimmersultra
- 76 kmCompletePalmas → PalmasSolo or a relay of 2, 3 or 4 swimmersultra
Go deeper
- Marathon swimming in BrazilOpen water marathon and ultra marathon swims on Ilha Grande, Brazil: seven routes from 12 to 76 km, solo or relay, under MSF-aligned rules with escort boat and official observer.
- Rules and ratificationBISA rules for marathon swims on Ilha Grande, aligned with the Marathon Swimmers Federation: standard equipment with no wetsuits, official observer, relays, pace swimmers, sea conditions and ratification.
- English Channel and Oceans SevenCompare BISA's Ilha Grande routes with the English Channel and the Oceans Seven: distances, no-wetsuit rules, escort boat and observer. Long swims in Brazil during the northern off-season.
- Marathon swim preparationWhat BISA requires for a marathon swim on Ilha Grande: medical and training certificates, feeding from the boat, pace swimmers, crew on board and swimming through the night.
BISA · ILHA GRANDE
Want to swim The Passage?
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