Photo: © Semi-Marathon de Boulogne-BillancourtHALF
Semi-Marathon de Boulogne-Billancourt
Boulogne-Billancourt, France29th editionRoadCompetitive21.1kmHalf marathon10:00 · D+ 124 m
Rolling
At a glance
Semi-Marathon de Boulogne-Billancourt 2026 takes place on 15 November 2026 in Boulogne-Billancourt, France. Distances: 21.098 km. First start at 10:00.
- Date
- Sunday, 15 November 2026
- Location
- Boulogne-Billancourt, France
- Distances
- Half marathon · 21.098 km · Competitive
- Start times
- 10:00
- Finishers at the last edition
- about 5,000
- Registration
- Sold out
- Official website
- semi-marathonbb.fr ↗
- Edition
- 29th edition
Last updated: 19 October 2026
The race
The Semi-Marathon de Boulogne-Billancourt takes place on Sunday 15 November 2026 for its 29th edition, through the streets of Boulogne-Billancourt on the edge of Paris. The organisers call it the fastest course in France.
Bibs are sold out: those who still want to run can sign up on the official resale platform in case one becomes available. Bib collection is at the village on Friday and Saturday, not on race day.
Rules and requirements
Official rules (PDF) ↗Where it is
Boulogne-Billancourt · France© OpenStreetMap · OpenFreeMap
Race-day weather
15 NOV 2026 · average of the last 10 years (2016–2025)Changeable weather
Temperature on race day
6°12°
Low / high6° / 12°
Rain2.7 mmRain on 40% of days
Wind19 km/h
Sunrise08:00
Photos
Photo: © Semi-Marathon de Boulogne-Billancourt
Photo: © Semi-Marathon de Boulogne-Billancourt
Photo: © Semi-Marathon de Boulogne-Billancourt
Photo: © Semi-Marathon de Boulogne-Billancourt
Photo: © Semi-Marathon de Boulogne-Billancourt
Photo: © Semi-Marathon de Boulogne-Billancourt
