Gold medallist Usain Bolt of Jamaica stands during the presentation ceremony for the men's 200m event at the London 2012 Olympic Games at the Olympic Stadium August 9, 2012. (Photo : REUTERS/Eddie Keogh )
Usain Bolt and his fellow Jamaicans may have the world record as well as gold in their sights when they run the 100 meters relay on Saturday, the busiest day for medals at London 2012 when 32 golds, from sailing to taekwondo, will be decided.
On the last day of competition in the main Olympic stadium, packed every day with capacity 80,000 crowds, Mo Farah's bid to add the 5,000 title to the 10,000 crown he won last weekend could give the host nation the perfect end to the meet.
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Organizers will then have less than 24 hours to prepare the arena for the closing ceremony on Sunday, which artistic director Kim Gavin said would be a celebration of British pop music from the last 50 years.
The Spice Girls, One Direction, George Michael and The Who are expected to perform as London prepares to bid goodbye to what the Guardian newspaper dubbed the "feelgood Games".
Games chief Sebastian Coe declined to compare London with other Olympics, but said simply: "I'm pretty pleased with the way we've delivered."
He added that the sport was not yet over and among the highlights on a packed Saturday will be the men's soccer final between Mexico and Brazil which the five-times World Cup winners have never won.
Saturday's London Olympics program also sees five men's boxing finals, the women's basketball, volleyball and handball finals, and a men's hockey final between rivals Germany and the Netherlands that could be a classic.
The sprint relay gives 100 and 200 champion Bolt the chance to better Jamaica's world record of 37.04 seconds set in last year's world championships and win his sixth sprint gold in two Olympics.
If Jamaica's relay squad wants inspiration, it need look no further than the United States. women's 4x100 quartet who left their Jamaican rivals trailing on Friday and took more than half a second off a record set by East Germany in 1985.
The U.S. men look certain to push Jamaica all the way on Saturday after running 37.38 seconds in their semi-final, the third fastest time ever, while resting two of their best racers.
Jamaica, resting Bolt, were only 0.01 seconds slower.
Farah is world champion in the 5,000 but looked tired in the heats and may find that challengers such as Ethiopians Dejen Gebremeskel and Hagos Gebrhiwet, Keny