Main and co-main events
Randy Couture beat Mark Coleman by submission at 1:09 of round two in the main event of UFC 109 at the Mandalay Bay Events Center in Las Vegas. In the co-main event, Chael Sonnen beat Nate Marquardt by unanimous decision after three rounds.
How the card was decided
Across the eleven bouts that produced a result, two ended by knockout, two by submission and seven on the judges' scorecards — four stoppages in eleven fights. One of the seven decisions divided the judges.
Finishes and fight times
The quickest finish belonged to Matt Serra, who stopped Frank Trigg at 2:23 of round one, and one of the four finishes came inside the opening round. The longest was Paulo Thiago's submission of Mike Swick, 6 minutes and 54 seconds in. End to end, the eleven fights filled two hours and 7 minutes of cage time.
Main card against the prelims
The main card finished at the higher rate: four of seven, against no of the four below it.
