TORONTO, Sept. 15, 2025 (GLOBE NEWSWIRE) -- Planet Fitness, one of the largest and fastest-growing franchisors and operators of fitness centers with more members than any other fitness brand, announced record-breaking participation in its 2025 High School Summer Pass™ program. More than 3.7 million teens ages 14-19 participated in the free summer initiative, completing over 19 million workouts from June through August in Planet Fitness’ 2,700+ locations across the U.S. and Canada. The unprecedented particip ...