Don Delmonico, 29, a Miami fireman who has been skin diving for 18 years, captained the three-man U.S. spear-fishing team to victory over 15 other teams in the two-day International Spearfishing and Trolling tournament in Bonaire, Netherlands Antilles.
Jim Dill, 19, left forward for Trenton ( N.J.) Junior College's soccer team, kicked a 40-yard goal in a sudden-death overtime period against Mitchell College of New London, Conn., to win both the game (4-3) and the national junior college championship.
Michele Monnier, 19, of San Francisco, who was toddling on ice skates almost as soon as she could walk and won the Pacific Coast juvenile figure-skating championship at 12, successfully defended her Central Pacific senior ladies' title in Berkeley, Calif.
Jon Huss, 17, fullback for Van Nuys ( Calif.) High, led his team to the East Valley League title with a seven-game season total of 14 TDs and 902 yards in 149 carries. In a 46-12 rout of North Hollywood he ran 276 yards for five TDs (including a 99-yarder).
Paul Goode of Columbus, Ohio was the top performer at the National Truck Roadeo in Miami Beach. He won the four-axle tractor-trailer title, plus trophies for all-round performance and the best safety record (1� million miles in 17 years) among the winners.
Lothar Claesges, 21, of Krefeld, West Germany, who has competed on bicycles for seven years, set a world record in the 1,000-meter indoor amateur sprint of 1:08.74 in Berlin. He looks forward to the Tokyo Olympics as "the greatest chance of my life."