Puck Pieterse

Puck Pieterse (pronounced [pʏk ˈpitərsə]; born 13 May 2002) is a Dutch cyclist specializing in road, cyclo-cross and mountain biking. She currently rides for Fenix–Premier Tech. In 2024 as under 23 world champion in the road race. Pieterse is known for her ability to bunny hop the plank barriers in cyclo-cross races.

Puck Pieterse was born in Amersfoort, Netherlands. Mountain biking and cyclo-cross have been the biggest passions in her life since she was ten years old, with the support of her parents who would take her to every race she attended. In March 2020, Pieterse signed with Alpecin–Fenix with the initial focus being on cyclo-cross and mountain biking. She became the U23 European cyclo-cross champion in 2020, and won the Elite Women's National Cyclocross Champion of the Netherlands in 2023 and 2024.

In 2024, she won the world mountain bike championship in the Cross-country Olympic category. At the 2024 Tour de France Femmes, Pieterse won stage 4 and took the white jersey of the young rider classification. At the 2024 UCI Road World Championships, she became under 23 world champion after finishing 13th overall. In 2025, Pieterse won her first UCI Women's World Tour event, winning La Flèche Wallonne Femmes.

Pieterse secured her first victory of the 2025–26 UCI Cyclo-cross World Cup season at the Cyclo-cross Maasmechelen event ahead of teammate Ceylin del Carmen Alvarado. Continuing her success, she completed the weekend with her win at Hoogerheide, clinching to her second World Cup win of the season.