10K Trainer by C25K®
Zen Labs Health & Fitness iPhoneiPadiPod touchApple Watch
10K Trainer by C25K® is a free Health & Fitness app for iPhone and iPad by Zen Labs. Rated 4.8/5 from 21,601 ratings. Requires iOS 14.0.
- Rating
- 4.8
- 21.6K ratings
- Price
- Free
- on the App Store
- Size
- 321 MB
- Age 4+
- Updated
- Aug 26
- 2026 · v7.3.32
Screenshots
About 10K Trainer by C25K®
■ The Official 10K Trainer app with millions of success stories! ■ Official partners and the ONLY C25K (Couch to 5K) app featured on FITBIT and SAMSUNG smart watches! ■ Featured on The New York Times, Los Angeles Times, The Washington Post, The Guardian, The Huffington Post, Men's Fitness, Forbes, Mashable, Glamour Magazine, Popsugar Fitness, CBS News, NBC News, Macworld, Cosmopolitan, Lifehacker, WebMD and many more! "Daily programs that alternate between short bursts of walking and running until you're ready to go the distance." - Forbes "One of the highest-rated health and fitness apps... A modest, realistic workout schedule." - Men's Fitness ≈ Real-Life Inspirational Transformations ≈ ◎ Over 175,000 Likes and 1500 Success Photos at facebook.com/c25kfree ◎ Our community inspires one another (and inspires us!) everyday. Hear some of their amazing stories. "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. Life is a blessing." - Diana “I went from a size 16 to a size 7. I tell anyone I can about the app. because it was nothing short of a life changer.” - Amber 10K Trainer is the easiest program to get beginners from couch potatoes to 10K distance runners in just 14 weeks. By the same experts who created the #1 C25K® (Couch to 5K) training app! Don’t worry, if you are already a 5K graduate, you can skip ahead and pick up where C25K® app leaves off! This proven 14 week plan will allow users to slowly build strength and stamina by alternating between walking and running. The blend of walking and running together reduces the overall impact and risk of injury, keeps your body guessing, and prepares you to go the distance. By the end of the program, you will be stronger and healthier than you have ever been. You'll be a 10K runner! Turn on our award winning music and just press start! Our audio coach will guide you through your run! It's that easy! ≈ Less is More ≈ ◎ First week free! Easy to learn. Just press start! ◎ Ideal for beginners. ◎ 14 weeks total. ≈ Features ≈ ◉ Easiest 10k program at only 3 times/week ◉ Convenient audio coach and alerts ◉ Map your run at the end of your workout! ◉ Light and dark modes ◉ Integrates with the Health app ◉ Free iPad integration for indoor treadmills ◉ Integrated with Facebook, Twitter, and Instagram ◉ Access to our forums with thousands of veterans and newcomers starting the app. Join the community and meet other runners! ≈ NEW Zen Unlimited Pass - Try it for free! ≈ ◉ Award winning music curated from top DJ's! ◉ Scientifically proven to increase motivation by 35% ◉ Unlimited access to all pro features across ALL Zen Labs Fitness apps ◉ Unlock calories, distance, Apple watch integration, and more ◉ One subscription unlocks all our apps! Questions/comments? Please email us at [email protected], or visit us at www.zenlabsfitness.com. ≈ Connect ≈ Facebook: @C25Kfree Twitter: @C25Kfree Instagram: @officialc25k Hashtag: #C25K Zen Labs is a proud supporter of the National Breast Cancer Coalition. breastcancerdeadline2020.org Subscription pricing and terms: The subscription will automatically renew unless turned off in your iTunes Account Settings at least 24 hours before current period ends. You can go to your iTunes Account settings to manage your subscription and turn off auto-renew. Your iTunes Account will be charged when the purchase is confirmed. If you subscribe before your free trial ends, the rest of your free trial period will be forfeited as soon as your purchase is confirmed. Privacy Policy & Terms of Use: https://www.zenlabsfitness.com/privacy-policy/ Legal Disclaimer This app and any information given by it or by Zen Labs LLC are for educational purposes only. You should always consult your healthcare provider before beginning any fitness program. C25K® is a registered trademark of Zen Labs LLC
Ratings & reviews
4.8
21.6K ratings
What’s new
Version 7.3.32 · Updated 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. [email protected]
App privacy
The developer, Zen Labs, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
- Location: Coarse Location, Precise Location
- Identifiers: Device ID, User ID
- Usage Data: Product Interaction, Advertising Data, Other Usage Data
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
- Contact Info: Email Address
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality
Alternatives to 10K Trainer by C25K®
Looking for apps like 10K Trainer by C25K®? Here are 6 similar apps on the App Store. The highest rated is Just Run: Zero to 5K (+10K) (5.0/5), and all 6 are free to download.
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10K Runner, Couch to 10K Run
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5K to 10K
4.2
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Jeff Galloway Run Walk Run
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Just Run: Zero to 5K (+10K)
5.0
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None to Run: Beginner, 5K, 10K
4.8
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5K Runner: couch potato to 5K
4.9
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 10K Trainer by C25K® | 4.8 / 5 (21,601 ratings) | Free | August 26, 2026 | |
| 10K Runner, Couch to 10K Run | 4.9 / 5 (38,754) | Free | Aug 26, 2026 | Compare |
| 5K to 10K | 4.2 / 5 (400) | Free | Dec 24, 2025 | Compare |
| Jeff Galloway Run Walk Run | 3.7 / 5 (199) | Free | Aug 20, 2026 | Compare |
| Just Run: Zero to 5K (+10K) | 5.0 / 5 (1,275) | Free | Aug 28, 2026 | Compare |
| None to Run: Beginner, 5K, 10K | 4.8 / 5 (5,129) | Free | Sep 16, 2026 | Compare |
| 5K Runner: couch potato to 5K | 4.9 / 5 (118,651) | Free | Sep 1, 2026 | Compare |