On Day 4 of the Swimming competition, all eyes will be on Daniel Dias of Brazil, who will be going for his fourth gold medal of the Games in the Men's 50m Butterfly - S5. The first relays also take place with the Men's 4x100m Free - 34pts final, the last event of the day in the National Aquatics Centre.

In Men's 100m Breaststroke SB9, world and Paralympic record holder, Dmitry Polin of Russia qualified in the fastest time of the heats with 1:10.85. Fellow Russian Denis Dorogaev qualified in second at 1:11.35 and Rick Pendleton of Australia came in third with 1:11.77.

In Women's 100m Breaststroke SB9, Sophie Pascoe of New Zealand will be aiming to add a gold to Monday's silver as she is going into this event with the top qualification time of 1:23.79. Sarai Gascon of Spain qualifies in a close second behind Pascoe with 1:23.95.

In Men's 100m Freestyle S13, five of the sixteen swimmers go into the heats with at least one Beijing 2008 Paralympic medal under their belt. World record holder Charalampos Taiganidis of Greece enters the heats with the best qualification time of 53.96 and will reach for gold to add to his silver and bronze medals of this week. Oleksii Fedyna of Ukraine has yet to win a Paralympic medal, but has a good chance in this event qualifying second in 54.76. Dzmitry Salei of Belarus, who won gold in Men's 100m Butterfly - S13 on September 7, will also be challenging for a medal with a third place qualification time of 55.45.

In Women's 100m Freestyle S13, Valerie Grand Maison of Canada goes into the morning heat with the world record time of 59.57. She will be looking for her third gold medal of the Games. Kelley Becherer of the United States swims in the heats with the second fastest time, 1:00.83. Becherer took bronze in the Women's 400m Freestyle alongside Canada's Chelsey Gotell who swam an identical time and also competes in this event.

In Men's 100m Backstroke S7, world-record holder Jon Fox of Great Britain and Guillermo Marro of Argentina enter the heats with similar qualification times, Fox just faster with 1:14.86 and Marro with 1:14.98. Defending Paralympic champion Andrew Lindsay of Great Britain enters the heats in third position after swimming 1:15.24.

In Women's 100m Backstroke S7, Kirsten Bruhn of Germany was beaten by Cortney Jordan of the United States in the Women's 100m Freestyle - SM7 on Monday when Jordan took the silver and Bruhn the bronze. Bruhn goes into this event with the upper hand, qualifying fastest with 1:25.39 while Jordan qualified fourth with 1:28.46. Katrina Porter of Australia comes in second with 1:25.90.

In Men's 100m Backstroke S8, Konstantin Lisenkov of Russia is the world record holder in this event and took silver on Monday. Lisenkov qualified fastest with 1:07.30. Peter Leek of Australia and Wang Xiaofu of China will go head to head for a third time. Leek has the faster time of 1:08.05, qualifying second. Although Wang qualified in fifth for the heats, his time of 1:13.07 was swum in June 2006 and he has already proved he is in good form winning a medal a day, totaling three, so far.

In Women's 100m Backstroke S8, Heather Frederiksen of Great Britain equaled Israel's Keren Leibovitch's world record in April this year and qualified first. Frederiksen will aim for gold after taking silver in Women's 100m Freestyle - S8 on Monday. Leibovitch will also compete in this event, but qualified in sixth for the heats with 1:25.06. Jessica Long of the United States will have to swim a good race if she wants to add another gold to her medal collection of two golds and one bronze, after coming third in qualifications.

In Men's 200m IM SM12, world and Paralympic record holder Sergei Punko of Belarus qualified fastest with a time of 2:16.47 and also won silver in the Men's 100m Breaststroke on Monday. Sergii Klippert of Ukraine will aim for his second medal after taking the bronze behind Punko on Monday. Klippert qualified second with 2:16.75.

In Women's 200m IM SM12, Oxana Savchenko of Russia qualified with the best time of 2:30.70. However, Joanna Mendak of Poland has a taste for medals after winning the gold in Tuesday's Women's 100m Butterfly - S12 and she qualified second in this event. Karolina Pelendritou of Cyprus who won a gold medal on Monday can not be discounted as a medal contender, swimming 2:41.01, placing her fourth going into the heats.

In Men's 50m Butterfly S5, the United States Roy Perkins enters the heats with the world record time of 36.29. Perkins will be hoping for a gold to add to the bronze he won on Sunday. Perkins should be most worried about Daniel Dias of Brazil who is proving unstoppable in Beijing after already claiming three golds this week and second place in qualification with 37.02. He Junquan of China will also challenge for a medal after he took silver ahead of Perkins on Sunday and will swim in Heat 2.

Wednesday evening sees the first Swimming relay of the Beijing 2008 Paralympic Games in Men's 4x100m Free 34pts. The relays begin with the 34pts, which means the classification points of the four athletes in each team, when combined, must not exceed 34. Great Britain enters into the final with the strongest time of 3:57.83. Australia swam the second fastest relay time to put them in second, 3:58.64 and Brazil qualifies in third with 4:02.06.

(BOCOG September 10, 2008)