Linda McGill, 18, swimming daughter of a Sydney (Australia) police sergeant, became the first girl to capture five titles at the Australian championships, winning the 100- and 200-meter butterfly, the 200- and 400-meter individual medley and the 200-meter breaststroke.

Arnie O'Reilly, a Canadian from Maniwaki, Que. and center on the hockey team at St. Lawrence University (Canton, N.Y.), scored three goals in a 5-2 victory over Clarkson, enabling his college to tie for first place in the final standings of the Tri-State League.

Steve Nisenson, a guard on the Hofstra basketball team, became the first collegian to complete more than 90% of a minimum of 200 free throws over a season when he made 13 of 14 in a tournament win over Muhlenberg, bringing his total to 207 for 226—91.6%.

Carl Elchenlaub Jr., a San Diego boat-builder who won the North American Lightning sailing title in Michigan last fall, captured the St. Petersburg (Fla.) winter championships over 61 other Lightnings on Tampa Bay, finishing 1-2-4-1 in the four-race series.

Olga Gloor of Norridge, Ill., who has been bowling for 20 years and thinks it's great for "getting away from the housewife's routine," averaged 208 in the Professional Women's Bowling Association's 16-game tournament in Depew, N.Y. to win the $1,150 first prize.

Paul Wilson, 16, a lanky junior at Earl Warren High in Downey, Calif., equaled the national scholastic pole-vault record with a leap of 15 feet in a meet with Jordan High of Long Beach, Calif., and a week later he vaulted 15 feet 3 inches in another dual contest.