A big bonus awaits Alex Wong Siu-tan's Fastest Star if he is successful in the Chairman's Prize next Saturday. The gelding has already captured the first two legs of the sprint crown, the Happy Valley Trophy and the Centenary Cup. But the challengers are lining up to deny him glory and the five-year-old will not have an easy task if he is to capture the final leg of the Champion Sprint Series. Oriental Express looks certain to be the major stumbling block but several of the lesser lights were out strutting their stuff yesterday morning with Wiley Wong's Danzighill being easily the most impressive. The son of boom sire Danehill was sent over 1,200 metres and after ambling through the first 400 metres he was clicked up to run the last half-mile in 46 seconds. Danzighill has not had a lot of luck in recent races but, as he showed in the Classic Trial, he is more than capable of mixing it with the best on his day. Danswinner has been one of the more progressive sprinters this season and his last-start failure behind Feel Legend should be overlooked. Yet another son of Danehill, he started a short-priced favourite on that occasion but was never comfortable over the straight 1,000-metre course. Yesterday, he was not out to make time as he went over an easy 800 metres in 52.6 seconds but he did it in style and the athletic youngster is more than capable of mixing it with the big boys next week. Bumper Storm resumed from injury last week and excelled in running a gallant third to Engineman in the Pearce Memorial Cup. Patrick Biancone has been easy on the talented speedster since but the run has done him the world of good and he looked a ball of muscle as he worked over 1,200 metres in even time. The Irish-bred chestnut was third in the Chairman's Prize last season when sent out a warm favourite and is emerging as one of the main hopes again. Guscott was only lightly raced before coming to Hong Kong and Peter Ng appears to have picked up another handy recruit from Ireland. The three-year-old has not been disgraced in any of his three runs locally and his last performance should be forgotten when assessing his chances next start. He was backing up quickly and may not have been at home on the wet track when well back behind Tres Vite. Yesterday, he looked impressive as he sped up the last quarter in 23.4 seconds of a 1,200-metre gallop and there could easily be a win in him before the end of the season. If not he is definitely one to keep in mind for the early part of next term. Among others to catch the eye was Electronic Zone who has been freshened up by Tony Cruz since failing in the Derby. The little break appears to have done him plenty of good and he went stylishly over 800 metres in 49.8 seconds with Full Metal Jacket. Derek Cruz has not had the best of luck recently but the win of Solid Contact last Wednesday may have helped him turn the corner. His Shine Of Kowloon has not been the easiest to train but Cruz seems to be winning the battle and the gelding is going to be hard to beat if he runs on Wednesday night at the Valley. He looked very well as he put a solid 1,200 metres behind him in 1:16.1 for Robbie Fradd in what was a winning gallop. Others to work well were Happy Boy, Easy Win and Fortune Dancer. FRIDAY'S VALLEY TRIALS First trial _ 1,000m: 1, CHIEF COMPETITOR (R. Fradd); 2, Quick Commander (P. H. Tse); 3, Merry Horse (P. Payne). Others (in finishing order): Northern Celadon, Hung Hing Tai, King Tornado. Time: 1:01.6 (25.2). Distances: 1.75 lengths, 2 lengths. Winner trained by Ricky Yiu Poon-fai. Second trial _ 1,000m: 1, GRANDSTAND (B. Doyle); 2, Winning Fever (P. Payne); 3, Wind Chaser (R. Fradd). Others: Shaxi Treasure, Citadel, Star Win. Time: 1:01.1 (24.5). Distances: 1.25 lengths, 3.5 lengths. Winner trained by Andy Leung Ting-wah. Third trial _ 1,000m: 1, ELLEN'S WON (R. Fradd); 2, Time Strong (Y. S. Wong); 3, SAR Tourism (D. Whyte). Others: Viva Boy, King Of Unicorn, Indian Lancer, Lekker. Time: 1:01.2 (24.3). Distances: 4 lengths, head. Winner trained by Ivan Allan. Fourth trial _ 1,000m: 1, MARVELLOUS (D. Whyte); 2, Kingstown (R. Fradd); 3, Gulch Lightning (P. H. Tse). Others: Good Choice, Mr Strong, Hara Hara, Lucky Guest. Time: 1:02.5 (24.8). Distances: 1.25 lengths, 1.5 lengths. Winner trained by Ivan Allan.