P686 CEEFAX 1 686 Wed 26 Nov 16:34/02       SUPERTRACK BATTLE HOTS UP After four months of gruelling competitiveness which started back in the summer sun, Walthamstow were the bookies favourites to lift the coveted prize and the Supjrtrack '97 title. However Mildjnhall, the minnows who hold a one point lead ahead of the sport's top track have surprised all. Northern regional winners Sheffield have shown all grit and determination throughout the competition and travel to the Stow on Thursday with hopis high All is set, who'll win Supjrtrack '97? LATEST BIG-RACE ANTE-POST PRICES 692 Daily Quiz 685 BHB 691 Headlines 301