Start Running: Couch to 5K

No Ads. Just Run.

Only for iPhone

$1.99 · Designed for iPhone. Not verified for macOS.

iPhone

Start your running journey today. No ads, no subscriptions, no distractions. Just you, guided workouts, and the path from couch to 5K. Transform from couch potato to 5K runner with C25K — the free interval training app that respects your time and your workout. NO ADS. EVER. We believe your workout should be distraction-free. No banner ads. No video ads. No "watch an ad to continue." Just you and your run. HOW IT WORKS C25K uses proven interval training to gradually build your running endurance. You'll alternate between running and walking, with each workout getting slightly more challenging. Before you know it, you'll be running 5K continuously. CHOOSE YOUR PROGRAM • 8-Week Classic — The original C25K program for motivated beginners • 10-Week Gradual — More time to build endurance at each level • 12-Week Easy — The most gradual progression, perfect for true beginners FEATURES • Audio cues tell you exactly when to run and walk • See your workout on the Lock Screen with Live Activities • Track your progress and build streaks • Works offline — no internet required • Dark mode interface that's easy on your eyes YOUR TYPICAL WORKOUT Each session includes a 5-minute warmup, your interval training, and a 5-minute cooldown. Workouts range from 20-35 minutes, 3 days per week. WEEK 1 EXAMPLE Alternate 60 seconds of running with 90 seconds of walking, repeated 8 times. Simple, achievable, and the start of something great. PRIVACY FIRST Your data stays on your device. We don't collect analytics, don't track you, and don't sell anything. Your running journey is yours alone. Start today. Your future self will thank you.

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The developer, Michael Lyons, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Michael Lyons
    Size
    • 28.5 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 15.1 or later.
    • iPhone
      Requires iOS 15.1 or later.
    • iPod touch
      Requires iOS 15.1 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    9+
    Copyright
    • © 2026 Mike Lyons
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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