The waiting is over, get your calendar out, here are the dates for the 2013 series...
 
Round 1 - 26th May - Wisley Trails, Surrey
Round 2 - 16th June - Holdshott Trails, Hampshire
Round 3 - 12th/13th/14th July - Relentless NASS Festival, Bath & West Showground, Somerset
Round 4 - 2nd/3rd/4th August - Venue TBC
Round 5 - 7th & 8th September - RocketWorld, Henstridge Airfield, Somerset