Welcome to Zen Labs Fitness, the home of C25K. Our brand is dedicated to helping beginners on their fitness journey and training them to run their first 5K. With our official C25K app, tailored for first-time runners, millions of people have achieved their weight loss and endurance goals while finishing their first 5K runs.

As featured on AMC's NewsWatch Television, our C25K app is perfect for those who have always wanted to get into running but didn't know where to start. This app provides a structured program that takes beginners from couch potatoes to 5K distance runners in just 8 weeks. But C25K is more than just an app.

It's a supportive community of fellow enthusiasts where you can find motivation, tips, and advice. Whether you're looking for dieting tips, workout techniques, or even recommendations for workout attire, you'll find it all here. Join over 5 million people who have already experienced the transformational power of C25K.

Start your fitness journey today by downloading our free app from the Apple App Store or Google Play Store. Every moment counts, and we're here to help you every step of the way