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Screenshots

  • MidLab screenshot 1
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About MidLab

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/

What’s new

Version 1.0.14 · Updated March 24, 2026

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

App privacy

The developer, MASAMI YAJIRI, 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
  • Health & Fitness: Fitness

Used for: Analytics, App Functionality

Alternatives to MidLab

Looking for apps like MidLab? Here are 6 similar apps on the App Store. The highest rated is TrackNote: Track & Field Log (5.0/5), and all 6 are free to download.

MidLab vs. alternatives
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