Try le jogging or more leisurely, le footing in the big parks of the Bois deaBoulogne and the Bois de Vincennes, on the Champ du Mars under the Tour Eiffel, along the quays beside the Seine, and in the Jardins des Tuileries.
You can jog and walk in the big parks of Bois de Boulogne and Bois de Vincennes.