[3] One of the two contenders for the country's 2016 Summer Olympics quota spot, he developed chronic fatigue earlier in 2016 and the nomination went to Sam Gaze instead.

Cooper represented New Zealand at the 2020 Summer Olympics in Tokyo, finishing sixth in the Men's Cross-country Mountain Bike final.

[1] Among other riders, he admires Julien Absalon and Nino Schurter, and among other athletes, he looks up to former rugby union player Richie McCaw, cricketer Brendon McCullum, and rowers Hamish Bond and Eric Murray.

[8] Trek decided to focus on downhill racing and Cooper signed a contract with the Cannondale Bicycle Corporation in December 2012 for 24 months.

[8] New Zealand was given one quota place for a male mountain biker for the 2016 Summer Olympics in Rio de Janeiro, Brazil, with the general expectation that either Gaze or Cooper will be chosen.

[16] Ahead of the 2017 national championships, he lost access to his bike once more as he had been evacuated from his Westmorland home due to the 2017 Port Hills fires, but Police let him through the cordon to retrieve all he needed to travel to the competition.