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 6�-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 1:56[4/5], three-quarters of a length ahead of Columbia George. Truluck was 3� 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 1� miles. Aggressively finished second, 1� 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 5� furlongs in a notable 1:03[4/5], just [1/5] off the record set by Prince Siena in the Christiana Stakes early in the meeting.