TMZ.com
Trojan condoms might stop sperm in its tracks ... but, Trojan students have got some pretty strong swimmers, it seems -- 'cause a USC student won the first-ever sperm race.
The much-anticipated battle for L.A. spunk supremacy went down in DTLA Friday night ... with Tristan from USC taking on Asher from UCLA -- and, we caught the whole darn thing on film, with the event showing just how fast their little swimmers were motoring in real time.
Check it out, the race starts off pretty even -- Tristan and Asher's boys making their way through the channel with ease .