As a 17-year-old Pithie won two gold medals at the UCI Junior World Championships in the Madison and Omnium.[7]
In 2019 Pithie won the national criterium champs allowing him to wear the national jersey in all criteriums for that year.[8]
Pithie started the 2021 season off with top 10's in the sprint stages at the New Zealand Cycle Classic. Then fourth in Slovenia after leading out teammate Marijn van den Berg to victory. He finally nabbed a podium in the Circuit de Wallonie behind winner Christophe Laporte.[9] He held his form to the Tour de la Mirabelle where a second place in the reduced bunch finish of Stage 2 brought him to seventh overall. Pithie's greatest accomplishment came at the Baltic Chain Tour where he finished 2nd in every stage which allowed him to win Overall.[10]
