Meet the 80-year-old man who held a plank for 50 minutes — and learn how he stays fit Florida man Bob Schwartz, 80, sets record by holding a plank for 50 minutes at Ocean Reef Fitness Club, showcasing extraordinary core strength and earning the nickname "The Plankster." Original Source: https://www.foxnews.com/health/meet-80-year-old-man-who-held-plank-50-minutes-learn-how-stays-fit