The ride schedule is now officially approved by the KNHS, see below for the links. There also is a German and English version available (translated version), however the Dutch version is the official, leading version!
Click below for the official Ride / Drive schedules:
Ride Schedule Endurance Ride – Endurance Drive (Dutch version, official)
Ride Schedule Endurance Ride – Endurance Drive (English version, translated)
The scheduled distances for the ride are:
Endurance ride, March 10. 2018 20,5 – 30,5 – 41 – 61 – 81km
Endurance drive, March 11. 2018 20 – 29,9 – 40 – 49,9 – 61km