International Dutch Championship

The 2024 IDC championship will be run in two 600cc classes and two 1000cc classes. In the 2024 season, the IDC will have a double championship in the 600cc classes.
Classes Dutch ProClass 600/Dutch ProClass 600 Next Generation bikes ride together and have separate honours, points and championships.
Classes Dutch Supersport/Dutch Supersport Next Generation bikes ride together and have a separate honouring, scoring and championship.
Classes are separated by class limit times, the reference is the fastest lap time on the TT Circuit Assen on a dry track.

Classification IDC classes 2024

Dutch ProClass 600/Dutch ProClass 600 NG: from 15 years - laptime between 1.52.0 - 2.12.0 min.
Dutch Supersport/Dutch Supersport NG: from 15 years - laptime faster than 1.52.0 min.
Dutch ProClass 1000: from 17 years - laptime between 1.51.0 - 2.12.0 min.
Dutch Superbike: from 17 year - faster than 1.51.0 min.

International Dutch Championship


To participate in the International Dutch Championship you need an IDC licence 2024. This can be either a year licence or a day licence. With a day licence, you can participate in
up to 3 IDC races per year and the IDC Endurance at the TT Circuit Assen. Riders in possession of a valid licence from a foreign association must apply for an IDC day licence or
IDC year licence to participate in IDC races.
To obtain an IDC licence you can apply via this website. If you have not held a motorbike racing licence before, or have not ridden a motorbike race for 3 years, you need to take a motorbike racing licence course. CRT organises its CRT motorbike racing licence course on Friday 5 April 2024 at the TT Circuit Assen, this is before the first IDC race of the season on Saturday 6 April 2024.
The licence course consists of five practical sessions interspersed with theory sessions plus a written theory exam with questions on flag codes.


Wearing a proper leather one-piece racing overall, back protector, leather gloves and leather racing boots fitted with proper ankle protection are mandatory during the CRT motorbike racing licence course. In addition you must wear a helmet of the integral type and it must be provided with the ECE.22.05 or ECE.22.06 quality mark and a double D-fastener.


Upon registration, there are 2 options for payment of your track day.
1. Ideal: the amount must be paid 4 weeks before the date of your event. If not, your registration will be deleted and we will place someone from the waiting list.
2. Other: you can download the invoice in your account. Please ensure that the invoice is transferred to the IDC account 4 weeks before the date of your event quoting the invoice number. If not your registration will be deleted and we will place someone from the waiting list.
There will be no refund in case of cancellation.
If races are cancelled due to force majeure (bad weather, oil on the track, etc.), no refund will be made by the organiser.

IDC 2024 betaling