For those that are TRF memebers there are two weekends being organised this year by the South Wales group and been thrown open to anyone if the TRF, have a look here , register on the site and put your names down.
There is a North Wales weekend and also a Rhyader run
North Wales weekend , May 5th & 6th Booking
SWTRF ANNUAL RHYADER RIDEOUT - 4/5 August 2012