A big crowd watched the racing at Boreham on May 26th, a circuit that may replace Silverstone. After Poore’s Alfa-Romeo had passed him on the very slippery course, Parnell (Maserati) hit a straw bale in the big race; he recovered well and finished third. Winners: XK120 HANDICAP: Howarth. M.G. HANDICAP: Davis. SPORTS CARS, 1 1/2 LITRE: Croysdill (Lester-M.G.), 2 1/2 LITRE: Crook (Frazer-Nash). OVER 2 1/2 LITRE: Howarth (Jaguar). HANDICAP: Gale (Darracq). RACING CARS 500 c.c.: Brandon (Cooper), 71.22 m.p.h. BOREHAM CHALLENGE TROPHY RACE: 1st: Poore (Alfa-Romeo), 80,36 m.p.h.; 2md: Rolt (E.R.A.-Delage); 3rd, Parnell (Maserati).