Allyson Felix had her fifth Olympic gold in her sights then Shaunae Miller of the Bahamas did something completely unexpected -- diving toward the finish line to win the 400-meter final in spectacular fashion.

Let's take another look at that finish#Rio2016 pic.twitter.com/Msts5R5WQX

— NBC Olympics (@NBCOlympics) August 16, 2016

Miller finished with a time of 49.44, just ahead of Felix's 49.51.

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Felix made a late push after Miller had jumped out early. As the two approached the finish line, Miller's legs began to give out, leaving her only one option: dive.