[7] Van Eijken was selected to compete at the 2023 Junior World Championships in Antalya, Turkey alongside Lana Pondart and Lilou Viallat; the team finished in eleventh place.

[9] Van Eijken was selected to make her senior international debut at the 2024 Trophy of Jesolo where she won gold on vault.

In May she competed at the European Championships alongside Marine Boyer, Lorette Charpy, Coline Devillard, and Morgane Osyssek.

During the team final van Eijken helped France win the bronze medal behind Italy and Great Britain.

In July van Eijken was officially selected to represent France at the 2024 Olympic Games alongside Boyer, Mélanie de Jesus dos Santos, Devillard, and Osyssek.