The London region has produced a wealth of home-grown talent for the 2012 games, with more than 60 athletes coming from our area.
Of those a number are serious contenders for medals. First a look at the runners and jumpers...
East Londoner and 400m runner Christine Ohuruogu trains at Lee Valley Athletic Centre and her brothers go to school in east London.
After her win at the London Grand Prix earlier this month she seems to have overcome injury worries to be on top form.
She will compete next Friday.
Born and brought up in Hackney 33-year-old Philips Idowu is a world class triple jumper.
The flamboyant athlete has been dealing with a nerve problem is his hip, but if he's on form is a strong medal contender.
He competes on Tuesday 7th August.
29-year-old 5000m and 10,000m runner Mo Farah has a home in Teddington, although he's currently living in Oregon for training. He has one daughter and his wife Tani is expecting twins in September.
He's a strong contender against the Kenyans and Ethiopians for a gold medal.
Mo competes on Saturday 4th August.
400m hurdles competitor Perri Shakes-Drayton is probably the most local athlete to the Games - the Olympic Park is at the end of her Mum's road.
The 25-year-old beat a world class field at the London Grand Prix, winning over Natalya Antyukh, the only woman to have run faster than her this year.
She competes on Sunday 5th August.
At 39 triple jumper Yamile Aldama is one of the oldest athletics competitors, but she's right on form winning gold at the World indoor championships.
She arrived in London 11 years ago from Cuba, and now lives in Wembley with her husband and two children.
She competes next Friday.
Next up, sailing, swimming, rowing and diving...
Born in the East End, 34-year-old, Mark Hunter will compete in the rowing lightweight double sculls with Zac Purchase.
The West Ham supporter is a strong medal contender now his partner has returned to fitness.
The pair are due to compete on Wednesday.
Diver 31-year-old Pete Waterfield was brought up in Waltham Forest. He has two medal chances, in the 10m individual and in the synchronised diving with Tom Daley.
In June the pair produced a British record in the 10 metre synchronised dive.
He first appears, diving solo, on Monday.
Swimmer Ellen Gandy was just 16 when she competed in the Bejjing Olympics four years ago.
She was born in Bromley in Kent but moved to Australia in 2008 when he father got a job there.
At the London Games she will compete in the 200m butterfly.
She takes part next Tuesday.
Sailor Andrew Simpson is from Chertsey in Surrey.
Spurs supporter Andrew, who started sailing when he was six, will sail with Iain Percy, who he won a gold medal with in Bejing in 2008.
The pair compete in Star sailing on Sunday.
And now a look at the London based cycling stars... starting with...
These days Londoner Bradley Wiggins needs little introduction. The 32-year-old from Kilburn has just taken the first British victory at the Tour de France.
He first raced at the Herne Hill Velodrome when he was 12, and has since gone from strength to strength.
He and team mate Mark Cavendish will compete in the Olympic road race tomorrow.
20-year-old cyclist Laura Trott comes from Cheshunt, just outside London in Hertfordshire.
Despite being the smallest member of the British women's cycling team she won three world titles as a teenager.
She competes in the women's team pursuit next Friday.