The Boulogne-Billancourt Half Marathon returns on November 15, 2026, with its ideal course for breaking your personal best or experiencing an unforgettable first 21 km race
On November 15, 2026, enjoy the unique experience of the Boulogne-Billancourt Half Marathon, one of France’s most popular running events. With its fast course along the Seine-then through the heart of the Bois de Boulogne-and a festive atmosphere from the start to the finish line in front of City Hall-a reinforced concrete building in the Art Deco style, an architectural style that’s very prominent in Boulogne-Billancourt-this race attracts more than 12,000 runners every year. Whether you’re aiming for a personal best or running your first half marathon, this flat and dynamic course promises a great performance and thrilling moments in the heart of the Parisian fall.
