Eduard Kahl, 37, of Vienna, Austria, took first place in the 12th annual International Down River competition at Salida, Colo., paddled his way over rapids-filled, 25-mile course from Salida down to Cotopaxi, Colo. in two hours and 19 minutes.

Tommy Jamieson of Bridgeton, N.J., a Dean's List student at Pfeiffer College, N.C. for four years, completed a perfect varsity pitching career with 22-0 record, struck out 108 batters in 142 innings, compiled a superb 0.48 earned run average.

Joyce Dukes of Diagonal, Iowa, playing in a high school girls softball tournament with her fractured left arm in a cast, struck out 17 in pitching a two-hit victory over nearby Prescott, also batted one-handed to hit a game-winning two-run homer.

John Stevens of Wichita, Kans. became youngest player (17) ever to win Kansas men's amateur golf championship, easily defeated his high school teammate, Kim Corbin, 9 and 8 on rain-soaked course in 36-hole final at Topeka's Shawnee Club.

Eileen Murphy, 21, University of Houston senior from New London, Conn., upset her roommate, Olympic Record-holder Carin Cone (whom she usually paces in workouts), won 220-yard backstroke in 2:42.3 in Gulf AAU swimming championships at Houston.

Eugene Walet III of New Orleans, who finished seventh in the Dragon Class Olympic sailing races in 1956, once again became the U.S. representative by capturing three firsts in the seven-race trial series at the Southern Yacht Club of New Orleans.