Muscle Beach Venice will unveil 600 additional bleacher seats thanks to a donation by bodybuilding industry icon Joe Weider at the International Classic and Armed Forces Championship Memorial Day Monday, May 31st.

The holiday weekend activities at the Venice Beach Recreation Center will begin with the U.S. Powerlifting Federation Muscle Beach Military National Championship and conclude with the bodybuilding, figure and bikini contest May 31st.

Weider, one of the originators of the sport of bodybuilding who was instrumental in developing Gov. Arnold Schwarzenegger into a champion, will be recognized at 1 p.m. May 31st for his generous donation resulting in the recent addition of 600 permanent bleacher seats. The additional seating brings the total seating capacity to 1,000 spectators at the Muscle Beach complex.

Judith Keifer, executive director of the City of Los Angeles Recreation and Parks Foundation, in conjunction with Joe Wheatley Productions will be honoring Weider, who is scheduled to attend the event. A representative from City Councilman Bill Rosendahl’s office will also be presenting a memorial plaque to acknowledge Weider’s efforts to support the Muscle Beach venue.

On Saturday, May 29th, the U.S. Powerlifting Federation championship consisting of the powerlift, bench press, and deadlift will begin at 9 a.m. The 2010 California Powerlifting Hall of Fame induction ceremony will precede the event at 8:30 a.m.

The contest is open to all active, reserve, National Guard and retired armed forces personnel. The entry fee is $85 per lifter and $35 for additional divisions.

The May 30th activities include the Muscle Beach Powerlifting Championships at 10 a.m. The entry fee is $85 per lifter and $35 for additional divisions. In addition, the “Rumble in Venice” amateur boxing event will be held from 1 to 6 p.m., with bouts sanctioned by USA Boxing and matching members of different military branches, National Collegiate Boxing Association institutions (including USC and UCLA), and USA Boxing affiliated clubs.

The Muscle Beach International Classic bodybuilding, figure, and bikini contests are open to all amateur athletes May 31st. The entry fee is $80. In conjunction with this will be the “Battle of the Branches” Armed Forces Bodybuilding Championship, which is open to all active, reserve, National Guard, and retired armed forces personnel. The entry fee is $80. Prejudging for both competitions will begin at 10 a.m., with the finals at 1 p.m.

Competitors from throughout the United States, Europe, as well as the military will be on hand to compete. The parade of athletes and a C-17 Flyover from March Air Force Base is scheduled to start at 1 p.m. with opening remarks from a high ranking officer.

As part of the event, two Muscle Beach Venice Hall of Fame inductees, Ed Fury, Mr. Venice Beach 1951; and Bill Smith, actor/bodybuilder on such TV shows as “Rich Man Poor Man,” will be accepting their plaques.

Representatives of military branches will have recruitment booths and static displays and a Fit Expo of exhibitors will be on site from the health and fitness industry to provide education, give-aways, samples, and T-shirts.

The event is free and open to the public.

Information, (310) 399-2775.