Couch to 5k

Send us Fan Mail Couch to 5K (C25K) is a popular mobile app created by Zen Labs that offers a nine-week training program for beginners to gradually progress towards running a 5-kilometer (3.1-mile) distance. The program was inspired by Josh Clark, who developed it in 1996 to motivate new runners with manageable expectations. Clark's initial motivation for running came from a painful breakup, but he discovered the joy and benefits of running, leading him to create the C25K program for his moth...