She won the 2022 Hempel World Cup Allianz Regatta and the silver medal at the 2023 Formula Kite European Championships.

Lammerts won a bronze medal at the 2024 Paris Olympics in the inaugural women's Formula Kite event.

[5] In June 2022 Lammerts won the Hempel World Cup Allianz Regatta at Lelystad in light winds beating the Spaniard Gisela Pulido who took silver, the Israeli Gal Zukerman who took the bronze place and Maya Ashkenazi was fourth.

[7] Lammerts took the silver medal in the 2023 Formula Kite European Championships in Portsmouth which the British athlete Ellie Aldridge won.

The French surfer Lauriane Nolet had fallen in one of the final races, but her earlier results gave her the silver medal.