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10K Trainer by C25K®

10K Trainer by C25K®

Run C210K Couch to 10K

22K ratings
420 reviews
With Ads
🌟 Lifestyle
💪 Health & Fitness
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • May 15, 2012
  • August 26, 2026

Features

Background Location Access

Developer

Zen Labs
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10K Trainer by C25K® screenshot #1 for iPhone
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iphone
ipad
🧾$1.99 - $6.99
In-App Purchase↘︎
📌Ready
Reviews summary↘︎
⭐420
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🔄6+ apps
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❓5 answered
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📦~ in 1 month
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About

This app guides beginners from sedentary to running a 10K in 14 weeks with a structured walk/run program. It features an audio coach, progress tracking, and community support. Ideal for those new to running or graduating from a 5K program.

✓14-week walk/run training plan
✓Audio coach guidance
✓Progress tracking
✓Community forums
✓Integration with Health app
✓Music integration
Show original description

What users say

Summarized from real user reviews of 10K Trainer by C25K®. Based on 22K reviews and a 4.8/5 average, it highlights the 5 positives and 4 negatives reviewers mention most about this Health & Fitness app.

Positive things

  • 🚀Gradual increase in running challenges
  • 👍Motivating and easy to follow
  • 👍Helpful for beginners and returning runners
  • 👍Allows listening to own music
  • 👍Provides voice prompts for guidance

Negative things

  • 🐛Inconsistent tracking of distance and calories
  • 🐛Occasional app crashes or freezes
  • 🔋Drains battery when running with phone
  • 👎Requires subscription for advanced features
See all reviews

What's New in 10K Trainer by C25K®

7.3.32

August 26, 2026

◎ New Apple Watch App ◎ Minor bug fixes and optimization Our community is our number one priority. We answer each and every email. Most of our updates have been suggestions from our community. Questions? Comments? Suggestions? See why our community has made us the #1 5K training app. contactus@zenlabsfitness.com

More
9

Subscriptions & In-App Purchases

Zen Unlimited Pass Monthly

Music, stats, & pro features in all our apps!

$4.991 Month
1 Month trial
How to cancel 10K Trainer by C25K® subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Awesome app thanks zen labs

I use this 3 times a week. Having a great time sharing runs with friends
K8tjrK8tjr

So far so good

Easy to use.
ShemTJosephShemTJoseph

Should offer an entire 5k run

I love the app for four days. But after that, you have to pay. It’d be nice to find an actual free couch to 5k app.
NotdrivingtolouisvilleNotdrivingtolouisville

Digital Coach

Training as simple as hitting the easy button
Runner I’m NotRunner I’m Not

My ONLY wish

I love this app/program. I just need the developers to update so that it works with the watchOS 27. I completed C25K and am now working on 10K but just found out that it doesn’t work on my watch. Please, please, please update!
BelievewhatuwillBelievewhatuwill
See 415 more reviews

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User experience

🐞

Reported Bugs

2 issues

Timers not syncing accurately with other devices

Bug

Workout data sometimes not recorded properly

Bug
✨

Requested Features

3 requests

Apple Watch integration for standalone use

Feature

More advanced training options beyond just 10K

Feature

Ability to customize audio prompts and volume

Feature

FAQ

What does the 10K Trainer app do?

The 10K Trainer app is designed to help beginners progress from a sedentary lifestyle to running a 10K distance in 14 weeks. It utilizes a structured program that alternates between walking and running intervals to gradually build stamina and strength, minimizing the risk of injury.

What are the key features of the 10K Trainer app?

Key features include a proven 14-week training plan, an audio coach that guides users through each workout, the ability to map runs, light and dark modes, and integration with the Health app. It also offers community forums for support and motivation.

How much does the 10K Trainer app cost?

The app offers a free first week, and then operates on a freemium model with in-app purchases. Users can access core features for free, with an optional 'Zen Unlimited Pass' subscription for premium features and music across all Zen Labs Fitness apps.

Is the 10K Trainer app suitable for absolute beginners?

Yes, the app is specifically designed for beginners and is described as the easiest program to get users from couch potatoes to 10K distance runners. The gradual walk/run approach is ideal for those starting their running journey.

Can I use this app if I've already completed a 5K?

Absolutely. If you have already graduated from a 5K program, you can skip ahead in the 10K Trainer app and pick up where a C25K® app would leave off. This allows for a seamless transition to longer distances.