X Triathlon Event Cergy Pontoise Val d'Oise 2026

Race facts

• It takes place on a Sunday, October 4, 2026 — autumn in this part of the world.
• The closest comparable triathlon event is Swimrun Cergy Pontoise in Pontoise, 5 km away, on October 4, 2026.
• 7 of the 12 most similar events take place in the same month.