International Dutch Championship

The IDC Championship 2021 will be held in 2 classes 600cc and 3 classes 1000cc.
Classes are separated from each other by class-limit times, the reference is the fastest lap time on the TT Circuit Assen on a dry track
Minimum age for participation with a 600cc is 15 years, minimum age for participation with a 1000cc is 17 years.

Classification IDC classes 2022

Dutch ProClass 600 - laptime between 1.52.0 - 2.12.0 min.
Dutch Supersport - laptime faster than 1.51.9 min.
Dutch SportClass 1000 - laptime between 1.53.0 - 2.12.0 min.
Dutch ProClass 1000 - laptime between 1.49.0 - 1.52.9 min.
Dutch Superbike - from 17 year - faster than 1.48.9 min.

International Dutch Championship


To participate in the International Dutch Championship you need an IDC license. This can be either a year license or a day license. With a day license you can participate in a maximum of 3 IDC races per year and participate in the IDC Endurance on the TT Circuit Assen. Riders holding a valid license from a foreign association must apply for an IDC day- or IDC year license to participate in IDC races.
To obtain an IDC license you can apply via this website. If you have not previously had a motorcycle race license, or have not ride motorcycle races for 3 years, you need to follow a motorcycle race license course. CRT organizes its motorcycle race license course on Friday April 8th 2022 at the TT Circuit Assen for the first IDC race of the season on Saturday April 9th 2022.
The CRT motorcycle race license course consists of 5 practical sessions alternated by theory sessions plus a written theory exam with questions about the flag codes.


Wearing a solid leather one-piece racing overall, back protector, leather gloves and leather racing boots which are provided with good ankle protection are mandatory during the CRT motorcycle racing license course. In addition, you must wear a helmet of the integral type and it must be provided with the ECE.22.05 quality mark and a double D-closure.


CRT motorcycle racing license course: € 245,00
IDC year license: € 170,00 (per year)
IDC day license: € 30,00 (per event) applies for a maximum of 3 IDC races and the IDC Endurance on the TT Circuit Assen
Registration fee: € 55,00 (per year)

Registration fee IDC race TT Circuit Assen type 3 day: € 245,00 (incl. rental transponder)
Registration fee IDC race TT Circuit Assen type 2 day: € 275,00 (incl. rental transponder)
Entry fee IDC race Motopark Oschersleben 17-18-19 Juni : € 440,00; 2 races
Entry fee IDC race Nürburgring 1-2-3 Juli: € 450,00 excluding DMSB Racecard; 2 races
Entry fee IDC Endurance Saturday 9 Juli: De ZEVEN van Assen: € 1050,00 per team
Entry fee IDC 3-day event: 19-20-21 August TT Circuit Assen type 2 day: € 410,00
Program: 1 x free practice, 2 qualifications, warm up, 2 races

Pitbox rental TT Circuit Assen per box per day: € 130,00 (deposit for the key is € 100,00).


The registration fee for IDC races has to be paid to the organizer 3 weeks before the event according to the payment method chosen at the time of registration.
In case a direct debit is chosen, this will take place 3 weeks before the event.
Payment is confirmation of registration.
Registrations of IDC year licences will take priority over registrations of IDC day licences until 3 weeks before the event.
If races are cancelled due to force majeure (bad weather, oil on the track, etc.), no refund will be given by the organiser.

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