MidLab

Smart Middle-Distance Training

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Scientifically analyze your strengths and weaknesses to auto-generate optimal training plans. From 800m to marathon, periodize toward your goal race and peak on race day. MidLab — Middle-Distance Training, Scientifically Optimized The training management app built exclusively for 800m-5000m middle-distance runners. ■ Measure Your Fitness with the ETP Test Run our unique ETP (Estimated Threshold Pace) test on a 400m track to accurately determine your threshold pace. MidLab also classifies your performance limiter into three types: • Cardio Limiter — your breathing hits the wall first • Muscular Endurance Limiter — your legs give out first • Balanced ■ Personalized Training Plans [Premium] Based on your ETP and limiter type, MidLab auto-generates a multi-week training plan tailored to your goal race. Scientific periodization — Base > Build > Race > Taper — helps you improve efficiently. • Just set your target race distance and date • Supports 800m / 1500m / 3000m / 5000m • Optimized for your age category and training history • Automatic recovery weeks ■ Extensive Workout Library [Premium] Dozens of workout templates organized across six training zones (Recovery through Repetition). Every pace is auto-calculated from your ETP so you always train at the right intensity. ■ Race Predictions Estimate your 800m-5000m race times based on current fitness. Compare against your personal bests to see your progress. ■ Dashboard • View your current ETP, VO2max, and limiter type at a glance • See today's training session • Track weekly progress • Follow your ETP trend graph to visualize growth ■ Premium Plan • Monthly: $7.99 • Yearly: $69.99 (save 2 months) • Includes a 1-week free trial No coach needed — just science. Push your middle-distance PB with MidLab. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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Added English language fallback for non-Japanese system languages. The app now displays properly on devices set to languages other than Japanese.

The developer, MASAMI YAJIRI, 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 Linked to You

    The following data may be collected but it is not linked to your identity:

    • Health & Fitness
    • Purchases

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

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

Seller
  • MASAMI YAJIRI
Size
  • 29.7 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 15.1 or later.
  • iPhone
    Requires iOS 15.1 or later.
  • iPad
    Requires iPadOS 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
4+
In-App Purchases
Yes
  • MidLab Proプラン(年額) $59.99
  • MidLab Proプラン(月額) $5.99
Copyright
  • © 2026 myajiri