UFC 100 at Mandalay Bay Events Center

UFC 100 took place at Mandalay Bay Events Center on July 11, 2009, and was one of the promotion's landmark pay-per-view events at the time. The event's live competition, weigh-ins, and fight-week activities were hosted at Mandalay Bay's arena and convention spaces. Mandalay Bay has been a recurring Las Vegas venue for major UFC and boxing events.