MANCHESTER – Six world records were bettered on Sunday, the final day of the 9th Fina World Swimming Championships.

First mark fell by Sanja Jovanovic who won gold in the women’s 50 metres backstroke in a record time of 26.37 seconds.

The 22-year-old croatian saved 0.13 off her previous mark that she has set at last Europeans in Debrecen on December 15, 2007.

Markus Rogan of Austria smashed the men’s 200 metres backstroke world record, touching in 1 minute, 47.84 seconds. The previous record of 1:49.05 was held by Ryan Lochte, who came second today in 1:47.91.

Rogan also bettered his own European mark that he set in a time of 1:49.86 at the SC Europeans in Debrecen.

But later Lochte set his fourth record of the tournament in the men's 100 metres individual medley.

Lochte, 24, swam 51.15 seconds to better his own mark by 0.10sec that he set in yesterday’s semi-finals.

Peter Mankoc of Slovenia placed 2nd in 52.21 and bettered by 0.37 seconds the European records that Laszlo Cseh of Hungary set in Debrecen’s European championships last December.

Other records tumbled in the women's 100m butterfly, with Australian Felicity Galvez swimming 55.89 seconds to better compatriot Lisbeth Lenton’s mark by 0.06 sec (Hobart, August 2006). In the women’s 50 metres freestyle Dutchwoman Marleen Veldhuis picked up another gold (she had already won the 100m freestyle) to win in a world record time of 23.25, improving her own mark by 0.33 sec, set in Berlin, November 2007.

The final race of the programme was the 4x100 metres medley relay. The Russian quartet composed of Stanislav Donets, Sergey Geybel, Evgeny Korotyshkin and Alexander Sukhorukov finished in 3:24.49 and bettered the previous wolrd record of 3:25.09, set by United States (Aaron Peirsol, Brendan Hansen, Ian Crocker, Jason Lezak) in Indianapolis, October 2004, while the previous European mark was set by the same team with 3:28.36 set in the morning's heat.

Before the championships, this record was held by Ukraine's team (Andriy Oleynik, Oleg Lisogor, Sergiy Advena, Andriy Serdinov) with 3:28.62 set to win bronze medal at the 2006 Worlds in Shanghai.