This is the SWN calender of 2019:

-Sunday January 20: NSK cyclo-cross in Tilburg

-Sunday March 24: Student cup Delft

-Saturday March 30: Student cup Enschede

-Saturday April 6: Student cup Wageningen

-Sunday May 12: Student cup Maastricht

-Saturday May 18: Student cup Amsterdam

-June 14-16: GNSK Amsterdam

-Sunday June 23: Student cup Utrecht

-Saturday July 13: NSK time trial in Nijmegen (not certain)

-Saturday September 14: Student cup Eindhoven

-September 21/22: NSK road in Enschede