David Williams of Lake Stevens, Wash., took the Maine slalom water skiing championship on Lake Wassookeag. His closest competitor tied him at the end of the regular event, but with the tow rope shortened from 75 to 51 feet Williams won, 39 buoys to 33½.

Linda Ludgrove, a London swimmer who altered her training methods after watching the American Olympic team work out in Tokyo, trimmed .3 seconds from the world's record for the 110-yard backstroke with a 69.5 in a dual meet with West Germany.

Jack Mustapha, 18-year-old right-hander from Boone (Iowa) High School, pitched his team to the state summer prep championship with an 8-0 record that included five no-hitters—three of them in a row. In the district final he struck out 18 in six innings.

Barbara Fay White won her second straight Women's Western Amateur Golf Championship, defeating Mrs. Lew Gilliam 6 and 5 in the 36-hole final at Wayzata, Minn. Three over par for the first four holes, Miss White went three under on the next 27.

Karen Ann Keenan, 9, ran events for 9-, 10- and 11-year-olds at the Allegheny Mountain Association age-group track meet in Waynesburg, Pa. and won in each category—at 90, 100 and 110 yards respectively. Her 13.8 in the 110 set a new meet record.

Hester Critchley of Green Lake, Me., state trapshooting champion 14 times since she began competing in 1947, gained the 1965 Maine and New England women's title at Waterville, Me. with the best score of her championship career—48 out of 50 targets.