Whoopass Weekend October 9 – 12   2025 Train with friends of Whoopass Camps. 4 days full of seminars, high-level training, good rolls and a lot of fun. @ Joop Geesinkweg 501, Amsterdam, NL   SCHEDULE Thursday October 9th 17.00 – 18.00 registration and open mat 18.00 – 20.00 Michael Currier   Friday October 10th 14.00 –[...]