There probably never was a day when Freddy Dwyer, Villanova '53 and America's almost (4:00.8) four-minute miler, felt as full of running as he did last Saturday in Boston's K of C two-mile. He was too much for Laszlo Tabori, the great Hungarian making his U.S. debut (opposite page). In fact, the whole affair was almost too much for Freddy, who leaped on his rival with a bear hug after the race, establishing a joyous promise of crackling encounters this season