C25K – 5K Trainer. The #1 Couch To 5K Running App On IPhone And ...

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    C25K®

    The official C25K® app to train you for the 5K

    Download C25K

  • Tailored to first time runners

    Millions have trained

    See Success Stories!

  • Start Training Today

    Run Your First 5K
What is C25K® all about?

C25K® is the easiest program to get beginners from couch potatoes to 5K distance runners in 8 weeks. Over 5 million people did it! Tailored for first time runners.

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We work with great brands. Close partnerships with really cool clients let us do world-class work.

As seen on AMC

“Have you ever thought about getting into running but don’t know where to start? Well, we have the perfect app for you. C25K by Zen Labs Fitness is an app designed for first-time runners.” – NewsWatch Television

Audio Coach and Music

Audio coach alerts you when to walk or run. Zen Power Playlist has the best music curated from the top DJ's. Scientifically proven to increase motivation by 35%.

Inspirational Transformations

Our community inspires us everyday. Every member brings their own unique story. Read about their amazing journeys. Join the community and inspire one another. We're here to help each other. Be the next success story!

  • “In this last year I have lost 97 lbs, gotten off insulin and 9 other medications, completed the C25K running app and started the 10k app.”

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  • “It will be 2 years in June since I started the C25K app. I no longer am doing the app, but HIGHLY recommend it to anyone who needs a start!”

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  • “Hey ZenLabs! Just wanted to show you what your C25K and C210K apps helped to start!”

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  • “I started C25K in an effort to drop some weight and get healthier. I finished C25K, have lost 40 pounds, and just participated in my first 5k race earlier today! What a feeling! It’s so amazing that I’ve made it this far.”

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A journey of a thousand miles begins with a single step

- Lao Tzu -

  • 8 WEEKS TOTAL

  • 3 TIMES A WEEK

  • 30 MINUTES A DAY

  • T

@c25kfree

Our Apps

Over 5 million people have lost weight, gained endurance and finished their first 5K runs with C25K® and Zen Labs Fitness Apps. Here's some of our work.

  • All
  • Challenge
  • Pedometer
  • Running
  • Sleep
  • Trainer

531 Workout

Trainer

5×5 Workout Pro

Trainer

C25K

Running

10K Pro

Running

13K Pro

Running

26.2K Pro

Running

Pedometer

Pedometer

7 Minute Workout

Trainer

100 Pushups Challenge

Challenge

200 Situps Challenge

Challenge

200 Squats Challenge

Challenge

20 Pullups Challenge

Challenge

Sleep Sounds

Sleep

See what millions are talking about.

Get it on iPhone

Get it on Android

Contact Form

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