Every May, you can take part in the Paris - Saint-Germain-en-Laye race. Some run from the Bois de Boulogne to the terrace of the Château de Saint-Germain-en-Laye, others from Rueil-Malmaison to the same terrace! A race that alternates urban scenery, heritage, history and nature.
For further information: https://www.parissaintgermainlacourse.com/2024/