A Roundup Of The Week Aug. 13-19

BOXING—CHANG JUNG KOO of Korea retained his WBC light flyweight title by stopping Japan's Katsuo Tokashiki on a ninth-round TKO in Pohang, South Korea.

Francisco Quiroz of the Dominican Republic defended his WBA junior flyweight title by knocking out Victor Sierra of Panama in the second round in Panama City.

CYCLING—BERND DITTERT of East Germany set a world indoor record of 4:36.47 in the 4,000-meter individual pursuit in Moscow, lowering by 1.21 the mark set by Viktor Kupovets of the U.S.S.R. last year. At the same competition, East Germany's MICHAEL HUEBNER won the 500 in 26.479 seconds, bettering the world record of Aleksandr Panfilov of the U.S.S.R. by almost a full second, and in the women's 1,000 ERICA SALUMYAE of the U.S.S.R. shaved .83 second off her world mark of 1:09.07.

GOLF—LEE TREVINO finished four strokes ahead of Gary Player and Lanny Wadkins with a 15-under-par 273 to win the $700,000 PGA Championship in Birmingham, Ala., his first major title in 10 years (page 28).

Nancy Lopez shot a seven-under-par 281 to win an LPGA tournament in Shaker Heights, Ohio. She beat JoAnne Carner by one stroke and earned $65,000.

HARNESS RACING—NIHILATOR ($3.00), with Bill O'Donnell driving, paced the mile in 1:52[4/5] set a world record and take the winner's share of $1,080,500 in the Woodrow Wilson Pace at the Meadowlands, the richest horse race ($2,161,000 total purse) in harness or thoroughbred history. The 2-year-old colt beat Praised Dignity by 3� lengths.

HORSE RACING—CARR DE NASKRA ($10.20), ridden by Laffit Pincay Jr., held off Pine Circle to win the $307,500 Travers Stakes at Saratoga by� of a length. The 3-year-old colt ran the 1� miles in 2:02[3/5] (page 34).

Believe The Queen ($11.60), Don Miller up, won the 1?-mile, $328,400 Monmouth Handicap at Oceanport, N.J. in 1:48[1/5]. The 4-year-old colt beat World Appeal by a length.

MOTOR SPORTS—DANNY SULLIVAN, in a Lola T-800, edged the March driven by Rick Mears by .27 second to win a $439,050 500-mile CART event at the Pocono International Raceway. Sullivan averaged 137.303 mph.

Niki Lauda, in a McLaren TAG- Porsche, averaged 139.03 mph for 52 laps on the 3.7-mile �sterreichring to win the Austrian Grand Prix, finishing 23.525 seconds ahead of Nelson Piquet, in a Brabham BMW. Lauda thus moved into first place in the Formula One standings by 4.5 points over teammate Alain Prost.