Speed skater Bonnie Blair of Champaign, Ill., became the first athlete at the National Sports Festival to win five gold medals and the first skater ever to win five in one Festival.

Tonight, she won the women's 1,000-meter race, skated a leg on the women's 3,000-meter relay team and returned to the track minutes later to substitute for injured Bruce Grannes of Shakopee, Minn., on the winning men's 5,000-meter relay team. Monday night, she won the women's 500-meter and 1,500-meter individual events.

Sean O'Neill, 17, of Vienna, Va., won the gold medal in men's table tennis by defeating Khos Nguyen of Santa Clara, Calif., 21-15, 21-17, 21-12. O'Neill finished 17-0 in matches and 34-2 in individual games.

In swimming, Cathy Ritch came from behind to upset Molly Magill and win the women's 400-meter freestyle in a battle of 14-year-olds. Ritch won her second gold and third medal of the Festival when she began her kick on the final two laps and passed Magill, of Largo, Fla., to touch the wall in a personal-best 4:20.97.

Ritch, a high school sophomore from Mount Kisco, N.Y., already had won the gold in the 200 freestyle and the bronze in the 100 meters. Magill, who had won the 800 and 1,500 freestyle gold medals and a bronze in the 200, finished three-hundredths of a second behind Ritch, with a time of 4:21.00. Katherine Creighton of Cincinnati (4:24.18) won her third bronze.

Pam Franklin of Upper Marlboro, Md., won the bronze medal in the 200 individual medley with a time of 2:25.20.

In women's softball, the South team endured a 25 1/2-hour ordeal in which it played two 21-inning games and a third of seven innings to win the bronze medal. The squad was on the field a total of 12 hours 6 minutes, winning two of the three games.

Darryl Henderson of Capitol Heights, Md., won the silver medal in the featherweight division of tae kwon do. He missed the gold medal match because of an injury, Andrew Dedrick of Stoneridge, N.Y., winning by default.