Button, who has struggled since his opening race victory in Australia was delighted by his change in fortunes.
Dutch Art, ridden by Alan Munro and trained by Peter Chapple-Hyam, won the opening race, the Norfolk Stakes.
Ferrari earned only one point at this season's opening race in Melbourne, with Raikkonen claiming it despite not finishing.
The European champions notched up a win in their opening race and followed that up with a second place.
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World champion Michael Schumacher came seventh in last weekend's Malaysian Grand Prix while also failing to finish in the opening race in Australia.
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Byrne, who was sixth in the opening race, had other ideas and charged into the lead during the final chicane, beating Hislop by 0.043secs.
Hamilton was fastest in the morning in the wet and completed 113 laps as he fine tunes his new car ahead of the opening race.
Kers is not mandatory, and some teams have so far reserved judgement on whether they will use it at the season-opening race in Melbourne on 29 March.
After the opening race in Melbourne, the elite division of motorsport heads to Malaysia and China before the Bahrain Grand Prix -- scheduled to take place on April 22.
The opening race of the final night of the Olympic athletics programme had a cagey start, with Russian Natalya Yevdokimova leading the runners through the first lap in 64 seconds.
Hamilton's teammate Jenson Button will start from fourth after he enjoyed a much improved qualifying performance, having struggled for much of the season after winning the opening race of the season.
Ferrari's Kimi Raikkonen, the reigning world champion and a near media recluse by Formula One's standards, appeared to voice his confidence in the prancing horse's progress prior to the opening race.
It had been hoped a new owner would soon be found to allow Honda, in whatever new guise, to be on the grid for the season-opening race in Australia in five weeks' time.
In the day's opening race, America's Daron Rahlves was involved in a spectacular crash when the 36-year-old, one of the United States' most decorated downhillers, collided with France's Ted Piccard and landed hard on his back.
Romain Grosjean was sixth for Lotus ahead of teammate Kimi Raikkonen, who won the opening race in Melbourne last Sunday but this time started from 10th after being given a three-place penalty for blocking Rosberg during Saturday's qualifying.
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New Zealand Anstey did claim wins in the opening 600cc race and Superstock events.
BBC: Robert Dunlop celebrates his 15th win at the North West
The Turkish Grand Prix in Istanbul reverts to August after being held in May this year, with Barcelona's Circuit de Catalunya hosting the opening European race, the Spanish Grand Prix.
Unlike his earlier facile win in the opening 600cc race, the TAS Suzuki rider was involved in a three-way fight with Ian Hutchinson and Donegalman Raymond Porter in the Superstock event.
BBC: Robert Dunlop celebrates his 15th win at the North West
First the Northwich ride crashed out on the opening lap of race one, before completing just six laps in race two before slipping out again to leave him in 25th spot overall.
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Within a year of the race track opening, early experiments in aviation were also taking place at the site.
Both Vettel and Button will look to make up places in the opening third of the race as other drivers pit early to replace the quicker wearing "soft" tires.
The result is that the opening seconds of the race involve 40 frenetic horses accelerating to speeds of 25 miles per hour as they converge on the first fence.
The cycle road race on the opening weekend of the Olympics took riders from the Mall, through west London, out to Surrey and back again, and included a 9.6-mile (15.5km) circuit around Box Hill.
The cycle road race on the opening weekend of the Olympics in July took cyclists from the Mall, through west London to Surrey and back again, and included a 9.6-mile (15.5km) circuit around Box Hill.
She will speak later at the opening of the Centre for Research in Race and Education at Birmingham University.
In Alaska, Democrats moved to exploit a potential opening in the unpredictable three-way Senate race between Republican Joe Miller, Democrat Scott McAdams and incumbent Sen.
In the last Around Alone race, Soldini shook off a disastrous opening leg to claim a stirring, come-from-behind victory.
The Scottish Borders and Dumfries and Galloway will host the opening stage of the 2013 Tour of Britain cycle race.
Viso, who started first, heading into Turn 1 on the opening lap to take his first lead since a race in Edmonton on July 24, 2011.
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