The Boulogne-Billancourt Half Marathon is one of the fastest courses in France. Every autumn, thousands of runners set off along the banks of the Seine to try to beat their record on a flat and fluid layout, ideal for performances. Only a few minutes from Paris, this race combines urban atmosphere, impeccable organization and perfect conditions to aim for a timer. Labelled FFA, the Semi de Boulogne has become a must on the calendar, both for elite runners and for enthusiasts looking for a Personal record before the winter break.

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