KARTERS from all over the UK will converge on the Hunts Kart Racing Club this weekend. An estimated 200 competitors will race in the second round of the club's winter championship with practice sessions on Saturday and race day on Sunday. Racers will range from the cadet drivers aged eight to 20-year-olds racing 250CC gearbox karts. The track is situated at Stow Longa, near Kimbolton, on the B660. Racing gets underway at 10.30am. Entry is free, though there is a \u00A35 car parking charge. INFORMATION: Visit www.hkrc.co.uk for more information.