Two world records were the icing on the cake on an enthralling first night of Commonwealth Games swimming finals at Glasgow 2014.
Scotland's Hannah Miley set the tone for the night in the 400m individual medley, smashing the Games record she set in the heats by nearly seven seconds to win Gold.
Australia's Ryan Crothers then broke his own world record in the para swimming men's 100m freestyle S9 to win Gold in 54.58sec.
The packed crowd at Tollcross International Swimming Centre went into hyper-drive when Scotland's Ross Murdoch scorched home in a Games record of 2:07.30 to win the men's 200m backstroke, edging out compatriot Michael Jamieson for Gold.
Jamaica's Alia Atkinson got in the record breaking act with a Games-best 30.17 in the 50m breaststroke semi-finals to qualify fastest for tomorrow night's final.
Emma McKeon (AUS) set another Games record of 1:55.57 to clinch Gold in the women's 200m freestyle before Australia women's 4x100m relay team clinched another world record to cap off a memorable night poolside.
Australia's four, comprising sisters Bronte Campbell and Cate Campbell, Emma McKeon and Melanie Schlanger, raised the roof to power home in a world-best 3:30.98, breaking the five-year-old mark set in the distance by the Netherlands at the 2009 world championships in Rome.
England took the Silver and Canada Bronze, but the spotlight was firmly - and deservedly - on the Aussies.
400m Individual Medley
Hannah Miley (SCO) won Gold in 4:31.76, breaking her own Commonwealth Games record set in the morning heat by an astonishing seven seconds. England's Aimee Wilmott won Silver, with Australia's Kerryn McMaster claiming the Bronze. Miley became the first swimmer to win back-to-back Gold in the women's 400m IM.
Australia's Emma McKeon went one up on her brother David who claimed Silver in the previous race on the programme, the men's 400m freestyle, winning Gold in 1:55.57, a Games record. Siobhan O’Connor (ENG) won Silver in 1:55.82, and Bronte Barratt (AUS) Bronze. McKeon's medal was the 500th swimming Gold in Commonwealth Games history.
100m Butterfly Semi-Finals
England's Siobhan O’Connor leads the field for the 100m butterfly final after clocking the fastest semi-final time of 57.57. Katerine Savard (CAN) and Alicia Coutts (AUS), who won five Gold medals at Delhi 2010, were next best.
50m Breaststroke Semi-Finals
Leiston Pickett (AUS) led all the way to take the first semi-final in 30.64, ahead of Sophie TAYLOR (ENG) and Scotland's Kathryn Johnstone.
Alia Atkinson (JAM) shot to victory in 30.17 in the second semi, breaking the Games record she set in the morning heats. The final will be held at 19:12 on Friday.
4 x 100m Freestyle
Australia has a virtual stranglehold in Commonwealth Games relay races but pulled out all the stops in the final to break a world record that has stood since 2009. The Australia four of sisters Bronte and Cate Campbell, Emma McKeon and Melanie Schlanger took Gold in 3:30.98. England's foursome of Siobhan O’Connor, Fran Halsall, Amy Smith and Becki Turner won Silver, 4.74 seconds behind, with Canada's Victoria Poon, Sandrine Mainville, Michelle Williams and Alyson Ackman landing Bronze nine seconds behind the winners.
Ryan Cochrane (CAN) mowed down Australian David McKeon on the final leg to claim Gold in 3:43.46. MCKEON had burst out of the blocks to lead by up to one and a half body lengths but by lap four Cochrane had closed the gap. James Guy (ENG) took the Bronze. It was a Golden swansong at a Commonwealth Games for Cochrane, who plans to retire after the Rio 2016 Olympics.
Para-Swimming 100m Freestyle S9
Rowan Crothers (AUS) won Gold in 54.58, breaking his own world record of 54.95 in the process, to lead a clean-sweep of medals for Australia. Matthew Cowdrey (AUS) took Silver and Brenden Hall (AUS) the Bronze. All five swimmers in the final had raced the heat earlier in the day. Normally fewer than eight competitors in a single heat would be run as a final but with the International Paralympic Committee (IPC) world swimming championships taking place at Tollcross in July 2015, the sport is being given as much exposure as possible.
50m Butterfly Semi-Finals
Games record holder Roland Schoueman (RSA) edged out Adam Barrett (ENG) in the first semi-final in 23.35, with 19-year-old Joseph Schooling (SIN) in third.
England's Benjamin Proud was fastest qualifier for the final, winning the second semi in 23.16, fractionally outside Schoueman's Games record of 23.14 set at Melbourne 2006. Chad Le Clos (RSA) was second and Australia's Jason Hadler third. Christopher Wright (AUS) and Brett Fraser (CAY) round out the field of eight for the final, which will be held at 19:07 on Friday.
100m backstroke semi-finals
Mitch Larkin (AUS) swam 53.33 to qualify fastest for tomorrow night's final. Defending champion Liam Tancock (ENG) was second-fastest, while his teammate Chris Walker-Hebbron could not match his Games record form of 53.30 in the earlier heat but still clocked a 53.57.
Scotland's Ross Murdoch raised the roof with a Games record Gold of 2:07.30, edging his compatriot Michael Jamieson, who was seen as favourite to win. Jamieson finished with Silver and England's Andrew Willis took the Bronze. Australia's Christian Sprenger looked the one to beat at the start as he powered through the first three laps but he finished badly and came in eighth.
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