These 50-plus men and women aren't planning for retirement-they're pumping iron, rocking bikinis, and getting spray tans. On Saturday, the 2013 NPC Southern States Championships in Fort Lauderdale, Florida was teeming with women over 50. "When you hear the word 'bikini' you think of younger women, but older women can be in shape, too," organizer Peter Potter told Yahoo! Shine. "Although we have some open categories for all ages, we added 'over 50' because there was such a demand for it." Check out photos of these super-fit contestants, then dust off your gym membership. -Elise Sole.