Team GB poised to make history
Britain is on the brink of its most successful Olympic Games in more than 100 years.
Victories in the triathlon, dressage and cycling could push Team GB's medals tally past that achieved in Beijing four years ago.
It comes after golds in the showjumping and men's sprint final on Monday.
On the last day of action in the Olympic Velodrome, a trio of Britons are going for gold as Team GB stands third overall with 40 medals - 18 gold, 11 silver and 11 bronze - behind the powerhouses of China and the US.
Track queen Victoria Pendleton bows out from the sport today with a sprint finish as she bids to become Britain's most decorated female Olympian.
Five-time Olympic champion Sir Chris Hoy will also be hoping to make it six in the keirin, an event which to many is something of a lottery but appears almost a formality for the Scot.
And 20-year-old world champion Laura Trott is top of the standings going into the final day of the omnium.
Elsewhere, fans will see brothers Alistair and Jonny Brownlee start as hot favourites for gold and silver in the triathlon as they swim, bike and run around Hyde Park and some of London's iconic sights.
Reigning world champion Alistair, from Horsforth, West Yorkshire, went into the Games as one of the host nation's best hopes for gold after dominating his sport for the last three years.
In the Olympic Stadium, 20-year-old former rugby player Lawrence Okoye, who has deferred a place at Oxford to study law to concentrate on athletics, will go for gold in the discus after producing a throw of 65.28 metres to go through to the final automatically.
Phillips Idowu, the so-called "Invisible Man" of British athletics, who only arrived in the village at the weekend, will also finally be seen as he tries to jump 17.10m to qualify automatically for Thursday's triple jump final.
The 33-year-old Beijing silver medallist has competed just three times this year and has pulled out of various meetings, most notably the Olympic trials at the last minute and the London Grand Prix just 25 minutes before the triple jump was due to start.
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