Semi-marathon de Boulogne-billancourt Christian Granger course.

1. 01

   Loop start and finish

   The race starts and finishes at the town hall, so you can leave warm clothes at the start area and don't need transport to the start.

   From the layout

2. 02

   Cold November race

   Typical race-day temperature is 8.5°C, so wear layers you can shed and plan to warm up before the start.

   From the temperature

3. 03

   Pace the Seine double-back

   You run along the Seine clockwise, then loop back and follow it south again. Hold back on the first riverside stretch to save energy for the return.

   From the description

4. 04

   Halfway in the Bois

   The halfway mark is inside a short loop through the Bois de Boulogne. Use that loop to check your pace and settle in for the second half.

   From the description

5. 05

   Landmarks as checkpoints

   The course passes Sèvres – Cité de la céramique and Pont de Saint-Cloud before heading north to Longchamp Race course. Use them as mental markers.

   From the description

Written by AI from the course data. Check race-day details with the organizer.