Mr. Olympia is back

This weekend it’s all about the muscle at the Las Vegas Convention Center.

Joe Weider’s 2013 Olympia Fitness & Performance Expo is at the Las Vegas Convention Center Friday and Saturday with 30,000 attendees. The estimated nongaming economic impact of this event is $37.7 million.

Mr. Olympia has been coming to Las Vegas since 2005 and is expected to come back next year, according to the convention authority.

The final competition will be held at 7 p.m. Saturday at The Orleans Arena.