La Mansonnienne - Maisons-Laffitte 2026

La Mansonnienne is a 10 km road race held in autumn in Maisons-Laffitte. Over 1,600 participants finish, indicating it is a substantial local event. The race includes 975 men and 632 women. The average finishing time is 53 minutes and 45 seconds, suggesting a field composed of many regular and recreational runners, not solely elite athletes.