A roundup of the week July 15-21

BOWLING—DAVID OZIO won $16,000 and the Tucson Open title by defeating top-seeded Mike Durbin 198-153.

BOXING—Challenger UBALDO SACCO of Argentina scored a ninth-round TKO over defending champion Gene Hatcher of Fort Worth to win the WBA junior welterweight title in Campione d'Italia, Italy.

Khaosai Galaxy of Thailand retained his WBA junior bantamweight crown with a fifth-round knockout of Rafael Orono of Venezuela in Bangkok.

CYCLING—BERNARD HINAULT of France won his fifth Tour de France with an aggregate time of 113:24.23. Runner-up Greg Lemond, was 1:42 back for the best-ever finish by an American. MARIA CANINS of Italy defeated Jeannie Longo of France by 22:11 to win the 24-day, 762.60-mile women's Tour de France (page 16).

Rebecca Twigg of Colorado Springs, a 1984 Olympic silver medalist, won her second straight Mayor's Cup cycling race, in Pittsburgh, defeating Julie Spieght of Australia by just over a second in a time of 36:48. In the men's 35-mile race, TOM SCHULER of Downer's Grove, Ill. finished in 1:15:41 to beat Bernard Chesneau of France in a sprint.

GOLF—SANDY LYLE shot a two-over-par 282 to win $90,870 and his first British Open title, in Sandwich, England (page 22).

Judy Clark fired an eight-under-par 280, three strokes better than runners-up Donna Caponi and Jane Geddes, to win an LPGA event in Danvers, Mass. Clark earned $33,750 for her first victory since she joined the tour in 1978.

Jim Sorenson of Bloomington, Minn. defeated Jay Cooper of Coral Gables, Fla. 12 and 11 in a scheduled 36-hole match, to win the Men's U.S. Amateur Public Links Championship at the Wailua Golf Course in Kauai, Hawaii.

HARNESS RACING—NIHILATOR ($2.20), driven by Bill O'Donnell, won the Meadowlands Pace by 7¼ lengths in 1:50⅗ tying the world pacing record for the mile set last August by Colt Fortysix (page 66).

HORSE RACING—BOUNDING BASQUE ($40), with Antonio Graell in the saddle, held off Life's Magic by half a length to win the Brooklyn Handicap at Belmont Park. The 5-year-old colt, who earned $207,300 for the victory, ran the 1½ miles in 2:28[2/5].

MOTORCYCLING—FREDDIE SPENCER of Shreve-port, La., on a Honda, won both the 250cc and the 500cc events at the French Grand Prix in Le Mans, 10.18 seconds ahead of Anton Mang of West Germany, also on a Honda, in the 250cc race, and 15.31 seconds ahead of Raymond Roche of France, on a Yamaha, in the 500cc. Spencer averaged 94.759 mph around the 2.64 mile course in the 250cc event and 99.657 mph in the 500cc race.

MOTOR SPORTS—ALAIN PROST of France drove his McLaren-TAG-Porsche to victory at the British Grand Prix, defeating Italy's Michele Alboreto, who was in a Ferrari. The winner averaged 146.274 mph around the 2.932-mile circuit at Silverstone, England.

Bill Elliott, driving a Ford, beat Neil Bonnett, in a Chevrolet, by five seconds to win a 500-mile NASCAR race in Long Pond, Pa. Elliott averaged 134.008 mph for 200 laps around the 2.5-mile Pocono International Raceway.

SAILING—SLIP SLIDING AWAY, John Malec's Graham & Schlageter 39-footer, won the 78th Chicago to Mackinac Island Yacht Race, the nation's longest freshwater race, on corrected time in the International Offshore Rules division. HILARIA, a 53-foot Sparkman & Stephens owned by Robert Stocker of Chicago, won the Measurement Handicap System division. Dutch Schmidt's 78-foot maxi, SASSY, beat 268 other boats to the finish of the 333-mile race in 39:00:48 but fell 7:46:18 short of the course record set by Amorita, a 100-foot steel schooner, in 1911.

David Denning's MONTGOMERY STREET, a Cal 40, was the corrected-time winner of the 33rd 2,225-mile Los Angeles-Honolulu Transpacific yacht race. Nick Frazee's 68-foot sloop, SWIFTSURE III, was the first to finish, in 10 days, 19 hours, 21 minutes and 47 seconds.

TENNIS—MATS WILANDER of Sweden won two tournaments in the space of six days. On July 15 he beat Martin Jaite 6-2, 6-4 to win the U.S. Pro Tennis Championship in Brookline, Mass. On July 21 he defeated Stefan Edberg 6-1, 6-0 to win the Swedish Open title in B√§stad.

Chris Evert Lloyd beat Pam Shriver 6-4, 6-1 to win a tournament in Newport, R.I. She earned $27,000 for the victory.

TRACK & FIELD—In the first meeting between Zola Budd and herself since their fateful collision at the 1984 Summer Olympics in Los Angeles, MARY DECKER SLANEY won a 3,000-meter race at London's Crystal Palace in 8:32.91. Budd finished fourth (page 34).

Steve Cram of Great Britain ran the 1,500-meters in a world record 3:29.67 to break countryman Steve Ovett's 1983 mark by 1.1 seconds, at a meet in Nice, France.

MILEPOSTS—ANNOUNCED: By the International Amateur Athletic Federation, that INDIANAPOLIS will host the first World Indoor Championships in track and field, which will be held in March 1987.

RESIGNED: CARL TACY, 53, as Wake Forest basketball coach, after 13 seasons and a 222-149 record.

RETIRED: Six-year-old GATO DEL SOL, the longshot winner of the 1982 Kentucky Derby, who had only seven wins in 39 starts. He will stand at stud at Stone Farm in Paris, Ky.

TRADED: By the Texas Rangers, third baseman BUDDY BELL, 33, to the Cincinnati Reds for outfielder DUANE WALKER, 28, and a player to be named later (page 60).

By the San Diego Chargers, running back CHUCK MUNCIE, 32, a nine-year NFL veteran, to the Minnesota Vikings for an undisclosed 1986 draft choice.

By the Los Angeles Rams, veteran quarterback VINCE FERRAGAMO, 31, and an undisclosed 1986 draft pick, to the Buffalo Bills for tight end Tony Hunter, 25.

VOTED: By the Boston Athletic Association Board of Governors, to award prize money to Boston Marathon winners for the first time in 89 years, beginning in the spring of 1986.

DIED: ROBERT C. HOFFMAN, 86, five-time coach of the U.S. Olympic weightlifting team and founder and owner of the York Barbell Company; in York, Pa.