26 Olympic sports, and 39 disciplines, in London 2012 Olympics - for Paralympics, it's 20 Sports in 21 disciplines. Source - London 2012 GamesMaker handbook.
Women's Boxing is one of the newest events and there are no new sports in the 2012 London Olympics
In the run up to the Olympics 2012 every sport possible is being played or practiced in and outwith London. More common sports are Football Cricket and Tennis to name but a few.
302 in 26 sports
BMX was one of them.
bmx ,running and many more.
gymnastics I think
There are 26 sports and 39 disciplines for the 302 events
There were 26 sports and 39 disciplines for the 302 events