BISA

BISA entry

Eric Nakumo

Swims recorded by BISA, completed and unfinished, with the information available in the source.

Swimmer in a purple shirt on the boat bench smiling with the certificate and trophy in hand, green hills behind
Dec 09, 2025 · 76 km. From Daniel Righetti’s archive.
entries
4
completed
3
Did not finish
1

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Stories and sources

Eric Nakumo took part in BISA’s first recorded full circuit of Ilha Grande in August 2022, swimming the opening leg for São Paulo’s Anjos D’água relay team. They completed 76 km in 24:10:52. In 2023 he returned with another team for a 48 km relay, completed in 13:19:39.

In April 2025 he attempted the full circuit solo, swimming 57.6 km over more than 20 hours before stopping. He returned in December, starting from Palmas before dawn on 8 December and completing the 76 km in 33:02:01, supported by coach Marta Izo and Anjos D’água. BISA’s account recalled the Japanese proverb: fall seven times, stand up eight.

@swim.bisa · Stories and sources

Crossings and attempts

Complete · 76 km

Palmas → Palmas

33:02:0133 h 02 min 01 s

FORMAT
Solo
RESULT
Completed in the log
position in this selection
2 / 2 · 76 km · Solo

Photos from Daniel Righetti’s archive, taken from this crossing’s album. They are linked to the swim by the album name, date and distance recorded by BISA.

Support boat GPS linked by date, duration and route; exact finish time not confirmed.

Individual ratification not verified · Open swim profile →

Complete · 76 km

Palmas → Palmas

DNF—

FORMAT
Solo
RESULT
Did not finish
Route example; not this swim’s individual track.

Individual ratification not verified · Open swim profile →

Complete · 76 km

Palmas → Palmas

24:10:5224 h 10 min 52 s

FORMAT
Four-person relay
RESULT
Completed in the log
position in this selection
1 / 2 · 76 km · Four-person relay

Photos from Daniel Righetti’s archive, taken from this crossing’s album. They are linked to the swim by the album name, date and distance recorded by BISA.

Support boat GPS linked by date, duration and route; exact finish time not confirmed.

Individual ratification not verified · Open swim profile →

Best times in the available log, separated by route and format. These are not officially ratified records.