Paris Saint-Germain-en-Laye

Discover a classic spring running event in the Parisian suburbs with Paris-Saint-Germain-en-Laye La course and its "little sister" event, Chatou-Saint-Germain-en-Laye, on Sunday, May 10, 2026. Celebrating its 16th and 7th editions respectively, these popular races offer a perfect blend of urban energy and natural beauty on a unique course that is 50% city streets and 50% parkland trails. Participants can choose between the classic 20km route, starting near Paris, or the more accessible 10km course, both culminating in the spectacular finish within the grounds of the historic Château de Saint-Germain-en-Laye. Known for its fantastic atmosphere and exceptional organization by a team of 200 volunteers, the event prioritizes safety, support, and a true sense of community celebration for runners of all levels. The scenic route winds through charming suburban towns and the beautiful forest landscapes west of Paris, providing a refreshing and varied challenge away from the city center. Every finisher is rewarded with a specially designed 2026 edition medal, commemorating their achievement in this well-loved local tradition. Whether you're aiming for a fast time on the mixed-terrain course or simply enjoying a festive Sunday run with friends, this event delivers a memorable and well-supported experience in the heart of the Île-de-France region.