De Grondleggers invites everyone to the Mixed Training on Monday the 20th of February, where you will be able to participate in clinics of 30 minutes of all the martial arts De Grondleggers has to offer. We will start with Jiu-Jitsu, followed by Judo, Boxing and as dessert: MMA.
The clinics will be held by our trainers: Arjen Heijnekamp (Jiu-Jitsu and MMA), André van Buiten (Judo) and Frank van Geesink (Boxing). The Mixed Training is a great way to familiarise yourself with all the great martial arts that we have to offer and to get to know your fellow ‘Grondleggers’.
The training will start at 20:15 in sports hall 1 at the Bongerd, and will last till around 22:15. All clinics will be done without wearing a GI, so bring your sports clothes!


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