Great Britain won 29 Gold Medals events Listed below are the 29 Events and their Sport followed by the names of the 48 UK Athletes
Women's coxless pair Rowing Helen Glover & Heather Stanning
Men's time trial Cycling Bradley Wiggins
Men's slalom C-2 Canoeing Timothy Baillie & Etienne Stott
Men's double trap Shooting Peter Wilson
Men's team sprint Cycling Philip Hindes Chris Hoy & Jason Kenny
Women's double sculls Rowing Katherine Grainger & Anna Watkins
Men's team pursuit Cycling Steven Burke, Ed Clancy, Peter Kennaugh, &Geraint Thomas
Women's Keirin Cycling Victoria Pendleton
Men's coxless four Rowing Alex Gregory, Tom James, Pete Reed, & Andrew Triggs-Hodge
Women's team pursuit Cycling Danielle King, Joanna Rowsell, & Laura Trott
Women's heptathlon Athletics Jessica Ennis
Men's long jump Athletics Greg Rutherford
Men's 10,000 m Athletics Mo Farah
Finn class Sailing Ben Ainslie
Men's singles Tennis Andy Murray
Team jumping Equestrian Scott Brash, Peter Charles, Ben Maher, & Nick Skelton
Men's sprint Cycling Jason Kenny
Men's triathlon Triathlon Alistair Brownlee
Team dressage Equestrian Laura Bechtolsheimer, Charlotte Dujardin, & Carl Hester
Women's Omnium Cycling Laura Trott
Men's Keirin Cycling Chris Hoy
Individual dressage Equestrian Charlotte Dujardin
Women's flyweight Boxing Nicola Adams
Women's 57 kg Taekwondo Jade Jones
Men's K-1 200 metres Canoeing Ed McKeever
Men's 5,000 m Athletics Mo Farah
Men's bantamweight Boxing Luke Campbell
Men's super heavyweight Boxing Anthony Joshua
The USA won the 2012 Olympic by winning 104 total Medals and 46 Gold Medals China was second with 88 Total Medals and 38 Gold Medals. Great Britain was fourth in Total Medals behind Russia and in the Gold Medal competation
A note to the person whose answer is below. The winner of anything is who came in first and athletes did not attend as individuals but as a member of a NOC. The events were won by the athletes for the country they represented sometimes as part of a team. Mexico won Men's football and the Athletes were members of Mexico's Team even though they each received an Olympic Medal
During the Olympics the athletes (Olympians) have the possibility to win medals for the sport(s) they practice.
In essence nobody can "win" the Olympics, however they can win medals.
In the related link you can find a list of medals and other statistics about all medals won during London 2012.
USA won the most Medals with 104 and 46 Gold Medals
USA-28
England does not have a team in the Olympic games.
Just 1.
4 Gold Medals, which was his lowest number from any of the past 3 summer Olympic games
No he won 4 Gold and 2 Silvers for the 2012 Olympics and leads all athletes ever with 22 Olympic Medals 18 of them Gold Medals in the total earned from all Olympic games
29 Great Britain left the Summer Olympic games with a total of 65 medals (29 gold, 17 silver, and 19 bronze)
51 gold medals
Olympic Games: 3 gold medals Commonwealth games: 2 gold medals
The United States of America (USA) won a total of 46 Gold Medals in the Summer 2012 Olympic Games.
14 medals after the 2012 Olympics.
The United States won the most gold medals in the 2012 Summer Olympic games in the United Kingdom.