What's this melody from?

[Geoffrey Taucer]

http://www.geoffreytaucer.com/randomstuff/wut.mp3

What's this from? I've heard it a million times (it's popular as gymnastics routine music), but I don't know what it's called.

Thanks in advance.

[JH Sounds]

Brahms' Hungarian Dance No.5

[Geoffrey Taucer]

Thank you!