Semi-marathon de Boulogne-Billancourt Christian Granger

The Semi-marathon de Boulogne-Billancourt Christian Granger is a road half marathon held in November in Boulogne-Billancourt, a suburb of Paris in Hauts-de-Seine. It features a single distance: 21.0975 km, with no other race options available. Thousands of runners participate annually, and the event holds national recognition. The course is noted by organizers as being conducive to fast times, and it welcomes participants of all levels, including beginners, experienced runners, and handisport athletes. The race begins and ends at the town hall, following a looped course through the city and alongside the Seine. Participants proceed clockwise past Sèvres – Cité de la céramique and the Pont de Saint-Cloud, then head north towards Longchamp before a brief passage through the Bois de Boulogne, reaching the halfway point. The route then directs runners back south along the river towards the town hall finish. This course combines city streets, riverside paths, a public park, and woodland. Runner feedback varies, with some commending the organization and crowd support, while others report average organization, challenging weather conditions, underwhelming scenery, and difficulties accessing the start corrals.