The United States extended its lead in the overall medal count at the 2012 London Olympics on Thursday. It also took the lead in gold medals as we head into Friday's events.

After Thursday, the U.S. has 90 total medals, including 39 golds, while China is 10 back in total medals and two back in gold. Russia moved into third place with 56 total medals, Great Britain has 52 and Germany is in fifth with 37.

The U.S. day was highlighted by the gold won by the women's soccer team, but the U.S. grabbed four more medals in various track & field events. The women's water polo team also won a gold medal over Spain.

Here are the top five current leaders in total medals:

1. United States - 90 (39, 25, 26)
2. China - 80 (37, 24, 19)
3. Russia - 56 (12, 21, 23)
4. Great Britain - 52 (25, 13, 14)
5. Germany - 37 (10, 16, 11)

For a complete breakdown of the current medal count by country, visit Sports Illustrated's medal count tracker.

For the latest on the 2012 Olympic Games, check out SB Nation's dedicated Olympics hub.