A roundup of the sports information of the week

FENCING—HARRIET KING, a 32-year-old copywriter from San Francisco, won the women's national foil title for the third time, outpointing defending champion Ruth White, a New York University sophomore, at the Hotel Commodore in New York City. Miss King won seven bouts and lost only one in the round-robin involving nine finalists.

GOLF—JACK NICKLAUS coolly sank an eight-foot birdie putt on the final playoff hole to beat Doug Sanders by one stroke and win the British Open (page 12).

Lanny Wadkins of Richmond, Va., a member of the 1969 Walker Cup team, defeated Charlie Borner of North Platte, Neb. 4 and 2 to take the Western Amateur golf title at Wichita.

Bob Risch of Gardena, Calif. stood off a closing charge by Mike Zimmerman of Kettering, Ohio to win the national public links championship by three strokes, carding a 76 for a five-over-par total of 293.

HARNESS RACING—Favored DAYAN ($3.20) captured the $50,000 American Trotting Championship at Roosevelt Raceway with a 6½-length win over Noccalula, with Ulysse Mab third. Billy Myer drove the Adonis Stable entry, clocking 2:32[1/5] for the 1-mile classic, four-fifths of a second off the world record for a half-mile oval.

Most Happy Fella ($7.40), driven by Stanley Dancer, paced the fastest mile for 3-year-olds this season when he won the Cardigan Bay Pace at Brandywine, near Wilmington, Del., with a 1:56⅘ three-quarters of a length ahead of Columbia George. Truluck was 3½ lengths back in third.

Adover Rainbow ($10.50) swept the $34,700 Beaver Pace for 3-year-olds at Richelieu Park in Montreal. The Taney Rainbow Stables' horse, driven by William (Bud) Gilmour, posted 2 minutes flat over the half-mile track. Keystone Pat and Shreik, driven by John Hayes and Herve Filion, finished in a dead heat for second.

HORSE JUMPING—DAVID BROOME, 30, of England, won the world horse jumping championship at La Baule, France, first riding his own horse, Beethoven, and then those of his three opponents, over the eight-obstacle, 10-jump course.

HORSE RACING—Saul Nadler's JUDGABLE ($80.60) moved to the front at the break under apprentice Bob Woodhouse and remained there for the rest of the run to win the $84,450 Dwyer Handicap at Aqueduct. The winner carried 108 pounds in 2:02[3/5] over the 1¼ miles. Aggressively finished second, 1½ lengths back, a neck before Thomas F. Fleming Jr.'s Needles N Pens.

The season's two undefeated 2-year-old fillies met for the first time, and Christiana Stables' UNITY HALL ($4.80) outraced Windfield Farms' Deceit by a length and three-quarters in the $24,850 Blue Hen Stakes at Delaware Park. Unity Hall, John Rotz-up, finished the 5½ furlongs in a notable 1:03⅘ just [1/5] off the record set by Prince Siena in the Christiana Stakes early in the meeting.

Finishing strongly from off the pace, Mrs. Marcia W. Schott's KILTS N KAPERS ($40.20) scored an upset victory in the 47th edition of the $57,450 Monmouth Oaks for 3-year-old fillies. Jockey Garth Patterson guided the winner home in 1:50[2/5] over the nine furlongs, half a length ahead of Sweet Mist, with Stephen A. Calder's Office Queen a length farther back in third.

MOTOR SPORTS—New Zealander DENIS HULME wheeled to an easy triumph in the Can-Am road race at Watkins Glen, stretching the McLaren team victory string to 16 in a row. The former world driving champion completed 87 laps over the 2.3-mile course in 1:41:16, hitting an average speed of 118.56 mph. Jo Siffert of Switzerland and Richard Attwood of England, driving identical Porsches, finished second and third (page 16).

SWIMMING—KAREN MOE, a high-school senior from Orinda, Calif., broke the world record in the women's 200-meter butterfly with a 2:20.6 at the Santa Clara Invitational, erasing the old mark of 2:21.0 set by Ada Kok of Holland in 1967. In another upset earlier in the meet, University of Tennessee's DAVE EDGAR handed Olympian Mark Spitz his first loss at the meet, coming from behind in the last 10 yards to win the 100-meter freestyle in 53.63 seconds.

The Air Force Academy Swim Club took firsts in the men's and women's divisions of the AAU national junior long-distance championship held on Hannen Lake in Blairstown, Iowa. Men's winner in the 4-mile swim was JAY BUCKLEY, with 1:29:32. In the women's division, JACKIE BROYLES covered the three miles with a clocking of 1:00:18.

TENNIS—TONY ROCHE easily downed fellow Australian Rod Laver 6-3, 6-1 in the finals of the Irish Open tennis championship at Dublin. Roche, seeded second, won it in less than 40 minutes.

At the Welsh Open championship, KEN ROSEWALL took 72 minutes to avenge his Wimbledon defeat as he walloped John Newcombe 6-4, 6-4 and collected the $2,400 top prize.

Peaches Bartkowicz of Hamtramck, Mich. retained her women's singles crown at the Swedish international open, defeating Sweden's Ingrid Lofdahl-Bentzer 6-1, 6-1, at Baastad.

TRACK & FIELD—After trailing by an unexpected 56-50 to France on the first day of a dual meet, the U.S. track team came back to take nine of 10 events and capture the opening meet on their European tour, 117-94 (page 18).

The winning Miss CHI CHENG, of the Los Angeles Track Club, starred in the inauguration of a new Recortan track at Munich's Dante Stadium, setting a world record in the women's 200-meter sprint. She was clocked in 22.4, clipping .1 second off the old time.

At an all-comers meet in South Lake Tahoe, Calif., TOM VON RUDEN ran 1,000 yards in a world-record 2:06.2, bettering the mark set in 1967 by Oregon's Wade Bell by .6 second.

WATER SKIING—Four-time champion LIZ ALLAN, 19, did it again, capturing the women's overall title at the Masters Tournament in Pine Mountain, Ga. In the men's division, 18-year-old RICKY JOE McCORMICK upset world champ Mike Suyderhoud to take the title by 70 points (page 48).

WRESTLING—WAYNE WELLS of the University of Oklahoma won the first U.S. gold medal at the World Amateur Freestyle championship in Edmonton, Alberta, Canada, clinching the title in the 163-pound division when Russia's Nodar Khorhashvili dislocated his left shoulder in the sixth-round match. Russia captured the team title and four gold medals and Iran grabbed three championships, with the U.S., Japan and Turkey sharing the three other weight classes. Major upset of the meet was the elimination of Fred Fozzard, 1969 gold medalist in the 180½-pound class, who battled gamely against Japan's Tasuo Sasaki, but dropped an 8-5 decision in the fourth round.

MILEPOSTS—AWARDED: To the University of Maryland for the fourth straight year, the Carmichael Cup, symbol of overall excellence in the Atlantic Coast Conference. Maryland won titles in six of 12 sports—cross-country, swimming, wrestling, indoor and outdoor track, and baseball—to beat runner-up North Carolina.

NAMED: As head swim coach at Princeton, 1964 Olympian WILLIAM W. FARLEY, 25, who held the Big Ten 500-yard freestyle title for three consecutive years at the University of Michigan, replacing Bob Clotworthy, who resigned after 12 years of coaching Tiger teams.

DIED: JAMES H. WEAVER, 67, first and only commissioner of the Atlantic Coast Conference, who was Arnold Palmer's golf coach at Wake Forest; of a heart attack, in Colorado Springs, Colo.