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Service des Sports, 42 rue d'Aigremont, 78300 Poissy, France
La Pisciacaise 2026 is an annual nature running event organised by the Service des Sports of the Ville de Poissy and billed on the official site as La Pisciacaise. The meeting takes place in and around the Parc de la Charmille and the forest of Saint-Germain-en-Laye, offering a mix of forest trails and a village atmosphere at the finish. The programme includes several pedestrian events for different ages and abilities, from a children's race to a longer randonnée, with registrations handled through the city registration portal.
The event is family-friendly and community focused, with dedicated bib collection times the day before and on the morning of the races and a festive arrival village for spectators. The 10 km classic is described as two forest loops while the 5 km is a single forest loop; a 1.5 km children’s race and a 12 km randonnée are also offered. Participants are advised to consult the organiser pages for full logistical details, start locations and age eligibility rules.