Groos, a junior at the University of Virginia, broke her 10-kilometer U.S. women's road-racing record by 28 seconds to win Boston's Bonne Bell race. Her 32:47 was also three seconds better than the fastest women's 10-km. time on a track.
HOBART ALTER JR.
CAPISTRANO BEACH, CALIF.
Alter, 22, won the Hobie Cat 16 championship at Fort Walton Beach, Fla. to become the first skipper to take all three Hobie Cat national titles (15-, 16-and 18-foot). His father, the man who created the Hobie Cats, finished third.
DELRAY BEACH, FLA.
Dye, the 52-year-old wife of golf-course architect Pete Dye, retained her U.S. Senior Women's amateur golf title, in Fort Smith, Ark. Her 54-hole score of 223 was a tournament record. Runner-up Cecile Maclaurin of Savannah shot 230.
Guy, a senior halfback at Broomfield High, rushed for a state-record 403 yards on 27 carries and scored six touchdowns in a 62-28 win over Thornton. In six games this season, he has a total of 1,393 yards rushing, averaging 11.5 per carry.
Tina, 17, has led the Francis Scott Key girls' volleyball team to two straight Class B state titles and 41 wins in 45 matches. The six-foot senior hitter was named Carroll County's 1978 MVP and is also an all-Metro center on the basketball team.
J. W. MIDDENDORF II
Middendorf, 55, a banker and former Secretary of the Navy, won the single sculls in the 55-to-60-year-old class of the National Association Championships in Craftsbury, Vt. His time for 1,000 meters was 5:12.2 against a head wind.