Pieter has been competing on the GCL team competition since 2017. After the first season with Monaco Aces he switched to St Tropez Pirates and has been with them since. With multiple team podium finishes at different legs of the circuit, Pieter has been a pillar of the team for the last few years. and hugely contributed to their 2nd place finish in the overall 2019 ranking, being on the winning team in Hamburg and with podium finishes in Miami, Paris, Berlin and Valkenswaard 2019. The team finished 8th in 2021.
For 2022, Pieter makes the move to Prague Lions, joining his compatriot Niels Bruynseels, Prague native Anna Kellnerova, as well as Sergio Alvarez Moya, Leopold van Asten and new U25 rider Brian Moggre. The Lions will be looking for a strong finish to jump into the GCL Super Cup Final at their home event, the GC Prague Playoffs!