Akibat memburuknya kesehatannya, Strel sebelumnya berenang selama enam jam dan kemudian beristirahat selama enam jam pada tahap akhir upayanya mencatat rekor dunia di sungai paling luas dan terpanjang kedua di dunia.
Due to his deteriorating health, Strel had been swimming six hours and then resting for six hours in his final leg down the world's most voluminous and second longest river.