Rock singer John Oates, who teams on stage with Daryl Hall, suffered a possible concussion yesterday when he was involved in a three-car crash during the running of the Lowenbrau Camel GT 500-mile sports car race at Elkhart Lake, Wis. Oates, 35, from Bridgewater, Conn., walked away from the wreckage, but he was taken by ambulance to Sheboygan Memorial Hospital, about 25 miles away, for examination and observation . . .

Mt. Ansel Adams, in Yosemite National Park, Calif., was dedicated in honor of the late photographer whose work captured the splendor of the park for more than 50 years. The 11,900-foot peak was named after Adams in April, the first anniversary of his death, but did not officially become so until the ceremony on Saturday. Interior Secretary Donald Hodel attended . . .

Only $2.8 million of the $56 million raised in the Live Aid concerts to help famine-ravaged Africa has been used and no food or medicine has been shipped there, Live Aid accountant Philip Rusted said Saturday. He could not say when the Live Aid workers would ship the first grain. "The logistics of getting food to the starving in Africa are horrendous," said pop singer Bob Geldof, who organized the concerts . . .

Judy Goldsmith, the outgoing president of the National Organization for Women, said Saturday she is considering running for national office. Goldsmith, who has been NOW president for the past 2 1/2 years and before that was vice president for 4 1/2 years, said she would run for senator or representative in her home state of Wisconsin if she had "a decent shot of winning" . . .

British newspapers reported Sunday that Lord Avon, son of the late prime minister Anthony Eden and a former undersecretary in Prime Minister Margaret Thatcher's Cabinet, died of AIDS on Aug. 17. Dr. Charles Farthing, one of the team who treated the 54-year-old earl at St. Stephen's Hospital, refused to comment on the reports. Nicholas Eden, 54, who inherited the title Earl of Avon after his father died in 1977, resigned in March as parliamentary undersecretary in the Department of the Environment because of ill health . . .

A man who once crossed Ireland on a unicycle pedaled through a downpour in Athens, Ohio, Saturday to claim the world record for a 100-mile ride on a one-wheeler. Floyd Beattie, 32, did 22 laps on a 4.54-mile bike path in 7 hours 53 minutes 55 seconds, bettering by more than one hour the current "Guinness Book of World Records" time set in 1981 by Johnnie Severin of Atwater, Calif.