Spain's Aschwin Wildeboer Faber has set a world record in the 100-meter backstroke with a 52.38-second leg in the 4x100 medley relay final at the Mediterranean Games.
Japan's Ryosuke Irie set a world record in the men's 200-meter backstroke Sunday in a meet against Australia.
Anastasia Zueva has set a new world record in the women's 50-meter backstroke by clocking 27.48 seconds at the Russian summer swimming championships.
French swimmer Frederick Bousquet has set a world record in the 50-meter freestyle, becoming the first person to break the 21-second barrier.
Tennessee's Lady Volunteers have set a world record in the rarely contested 6,000-meter relay at the Penn Relays in Philadelphia.
Alain Bernard of France broke the world record in the 100-meter freestyle at the French championships Thursday, becoming the first swimmer to go under the 47-second mark.
Sweden's Therese Alshammar broke her own 50-meter butterfly world record at the Australian swimming titles Tuesday, but the mark may be in doubt due to a possible breach of rules governing swimsuits.
Jo Jackson has set a world record in the 400-meter freestyle at the British swimming championships.
Olympic champion Federica Pellegrini has lowered her world record in the 200-meter freestyle at an Italian swim meet.
Japanese teenager Shiho Sakai set a short-course world record in the women's 100-meter backstroke on the final day of Japan's national championship Sunday.
Yelena Isinbayeva has broken her own indoor world pole vault record, first clearing 16 feet, 3 1/2 inches and then 16-4 3/4 at the Pole Vault Stars.
France set a world record in the men's 4x50-meter freestyle relay at the European short-course championships, breaking the mark it set in an earlier heat.
Stanislav Donets of Russia set a world record in the men's 100-meter backstroke at the European short-course championships.
France set a new world record Sunday in the men's 4x50-meter freestyle relay at the European short-course championships.
Amaury Leveaux of France set a world record Sunday in the men's 50-meter butterfly — his fourth at the European short-course championships and fifth in nine days.
Amaury Leveaux of France set a world record Thursday in the 50-meter freestyle at the European short-course championships, finishing the semifinal in 20.48 seconds.
Russia's men's relay 4 x 50 meters medley team has set a new world record in qualifying at the European short-course swimming championships.
Alain Bernard has set a world record in the short-course 100-meter freestyle at the French swimming championships.
Britain has broken the world record for team pursuit in Olympic track cycling.
Kosuke Kitajima of Japan has defended his 100-meter breaststroke title at the Beijing Olympics, smashing the world record by 0.22 seconds.
Kirsty Coventry of Zimbabwe has set a world record in the 100-meter backstroke semifinals at the Beijing Olympics.
The United States has set a world record in the men's Olympic 400-meter freestyle relay preliminaries.
Russia's Yelena Isinbayeva has broken her own world record in the women's pole vault with a leap of 16 feet, 6 1/2 inches.
Francisco Javier Fernandez set a world record in the 10,000-meter race walk Sunday, with a time of 37 minutes, 53.09 seconds at the Spanish nationals.
Just when it seemed someone might challenge Yelena Isinbayeva, the Russian responded with her first pole vault world record in nearly three years.