ATHLETES:

Registrations can be done by: https://www.atletiek.nu/wedstrijd/inschrijven/35025/

For the moment only the athletes with results in 2019 or 2020 better than in table below are allowed to participate.

COACHES: 

1 coach for 1 athlete, they can register: Click this LINK

 

The federation got a clear answer on the question, who's "ELITE".

U20 means year of birth 2002 or younger, U23 means year of birth 2001, 2000 and 1999...