Thorpe, a senior outfielder at the University of Texas-Arlington, stole 50 bases in 61 attempts in 1981 to bring his four-year total to 151 and surpass the NCAA career record of 122 set by Mark Van Bever of South Carolina (1975-77).
Shona placed first among the women with a girls' 13-year-old record time of 2:52.48 in the Lincoln ( Neb.) Marathon, the first of her life. She also holds the girls' 12-year-old records for 10 miles (58:40), 20-km. (1:16.53) and 25-km. (1:36.59).
Miltenberger, 29, a medical intern, swam a U.S. long-course, 25 to 29 age-group record of 31.54 in the 50-meter breaststroke in St. Petersburg, Fla. He also holds the U.S. short-course record for his age in the 50- and 100-yard breaststroke.
Anti, 19, who plans a career in law enforcement, won the National Explorer Air Rifle Championship at Annapolis, Md. with a score of 780 points out of a possible 1,000. Her younger brother, Michael, won the title in 1979 and '80.
Lee, 20, a sales trainee, decisioned Randy Smith of Chicago to win the National Golden Gloves middleweight crown in Toledo. Lee, who is turning pro this month, has an amateur record of 104-6, and has won two national titles.
DIAMOND BAR, CALIF.
Gayle, a sophomore at Walnut High, set a girls' national high school record of 41.91 for the 300-meter low hurdles in Norwalk, Calif. She lowered the mark of 42.22 set by Brooklyn's Sandra Farmer, who starred at Arizona, in 1978.