The 2012 Summer Olympics are just about set to get underway in London.

While the opening ceremonies have yet to begin, the games themselves have already started.

The women's soccer tournament kicked off with six matches on Wednesday, July 25, two days before the opening ceremony. The men began playing on Thursday.

Other sports started on Friday, hours before the opening ceremony. Archery began in the morning and will continue throughout the day. Both men and women are scheduled to compete in the morning.

There will be medals awarded as soon as Saturday. Archery, cycling, fencing, judo, shooting, swimming and weightlifting medal events are all scheduled for July 28.

Track & Field and wrestling are two events that don't get started until over at least week into the Games. The first Track & Field event is the men's shot put, which begins at 5 a.m. ET on Friday, Aug. 3. Wrestling kicks off at 8 a.m. ET on Sunday, Aug. 3.

The games are set to end on Sunday, Aug. 12.  

Both the men's basketball and handball tournaments will end, with the final matches scheduled for 10 a.m. ET. The modern pentathlon is the last scheduled event of the Olympics. The final competition will start at 1 p.m. ET.

The opening ceremony is set to being at 4 p.m. ET, which is 9 p.m. London time.

Click here for a schedule of start times to every competition of the 16-day event.