Make your running training smarter with this running calculator app! It provides a variety of calculation functions essential for marathon and running training in a simple and intuitive way.
Key Features
Time ↔ Distance ↔ Pace Conversion: Easily calculate your running record.
VDOT-based Training Pace: Set a systematic training pace.
Target Record Prediction: Check your predicted full and half marathon times based on your current record.
Heart Rate Zone Calculation: Customize your training intensity.
Yasso 800 Automatic Calculation: Link your full-course target record to your training plan.
Split Calculator: Distribute pace and time by zone for a stable race.
More than just simple calculations, this essential tool helps you achieve more systematic running training! A personalized running partner for anyone who enjoys running.
Updated on
Sep 24, 2025
Sports
Data safety
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity, App info and performance, and Device or other IDs
No data collected
Learn more about how developers declare collection