2023 registrations organisation Registration for the 2023 Marathon du Mont-Blanc will be organised in 3 phases : Runners with a priority on the 90km du Mont-Blanc due to the cancelation of the 2022 race :Registration from Monday 10th October 2022 at 09:00 a.m. to Sunday 16th October 2022 at 11:59 p.m. Runners initially registered…
