[1] He is from a family of rowers, with his father Greg the singles lightweight national champion in 1985, and his brother Karl also competing internationally.

[4] Manson also became single sculls national champion, aided by the absence of both Mahé Drysdale and Hamish Bond.

[5] In 2017, Manson won the men's single sculls at the World Rowing Cup II in Poznań, Poland, setting a new world best time of 6:30.74,[6] beating Mahé Drysdale's record by 3 seconds.

He returned to international racing later that year, competing in the men's double sculls, where he qualified the boat for the 2024 Olympics with Ben Mason.

[10] Manson credited his OnlyFans account, on which he posts "thirst traps," with boosting his athletic performance.