[1] Preston attended Tawa College, where he played three years for the school's 1st XV rugby team.
[3] He represented Wellington at age grade level[2] – from under 13 to under 19 – and was named in the Hurricanes under 18 side in 2017.
[6] He had made his debut for the province a few weeks earlier – on 12 July 2023 – in a Ranfurly Shield game against Horowhenua-Kapiti.
[7] His National Provincial Championship debut followed in round one of the 2023 Bunnings NPC against Manawatu.
[10][2] On 14 February 2025 in the first game of the 2025 season Preston made his Super Rugby debut for the Crusaders against the Hurricanes and scored three tries.