The Heart Race makes its return from March 25 to 29, 2026. Nearly 100 runners will connect Paris to Bourg-Saint-Maurice in Savoie, covering 800 km nonstop in relay, to raise awareness about organ donation. From the Bois de Boulogne through Hauts-de-Seine, Essonne, and Seine-et-Marne, explore the route and the meaningful cause behind this year's charity event.