Men's 4x400M Relay Finals Live Stream; Olympics 2012 Watch Online, Countries Competing

Watch the men's 4x400-meter relay finals on Aug. 10 at 4:20 p.m with live streaming available at NBC's official site for the 2012 Olympics.

Here are some of the top countries competing in terms of standings:

Teams USA and Bahamas marked in the same time at round one of the event on Thursday, clocking in at 2:58.87. USA currently holds the world record in the 4x400-meter relay with a time of 2:54.29, performed in 1993.

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To win another track and field medal would add to the 24 that U.S. already has from the London Games, more than any other country. They also hold the record as the country with the most track and field Olympic medals of all time, coming in with 730 of them. Bahamas came in first in their round one heat and all four of its players also ranked in the top three in terms of individual performance.

Great Britain has the second fastest national time out of all the countries competing in the finals, with a time of 2:56.60 seconds. Though they received so far only five Olympic medals for track and field at the 2012 Games, they have an all-time total of 189 track and field medals, 49 of them being gold. They come in third as the nation with the most track and field medals.

Team Russia did not do so well in the round 1 event, ranks in seventh place, but they do rank third in standing for track and field medals received in the 2012 Olympics. They also have 60 track and field medals received over the span of all the Olympics.