UFC 100 took place at the Mandalay Bay Events Center in Las Vegas, Nevada.

Here are the official results:

MAIN CARD:

Heavyweight Title Unification Match – Brock Lesnar def. Frank Mir via TKO to win undisputed title – Round 2 at 1:48
Welterweight Title Match – Georges St. Pierre def. Thiago Alves via unanimous decision (50-45, 50-44, 50-45) to retain title – Round 5 at 5:00
Dan Henderson def. Michael Bisping via KO – Round 2 at 3:30
Yoshihiro Akiyama def. Alan Belcher via split decision (30-27, 28-29, 29-28) – Round 3 at 5:00
Jon Fitch def. Paulo Thiago via unanimous decision (30-27, 29-28, 29-28) – Round 3 at 5:00

PRELIMINARY CARD:

Mark Coleman def. Stephan Bonnar via unanimous decision (29-28, 29-28, 29-28) – Round 3 at 5:00
Jim Miller def. Mac Danzig via unanimous decision (30-27, 30-27, 30-27) – Round 3 at 5:00
Jon Jones def. Jake O’Brien via submission (guillotine) – Round 2 at 2:43
Dong Hyun Kim def. T.J. Grant via unanimous decision (30-26, 30-26, 30-26) – Round 3 at 5:00
Tom Lawlor def. C.B. Dollaway via submission (guillotine) – Round 1 at 0:55
Shannon Gugerty def. Matt Grice via submission (guillotine) – Round 1 at 2:36

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