Pacewise: Running Pace Calc

Contains ads
Content rating
Everyone
5+
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Content rating
Everyone
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About this app

Pacewise is a calculator for runners. Open it the night before a race, while planning a training block, or when you want to know what the number on your watch really means.

Three tools
1. Pace ↔ speed: enter pace per km, pace per mile, km/h or mph and see every other unit plus finish times for 5K, 10K, half and full marathon.
2. Splits: enter a goal time and get the clock you should hit at every kilometre or mile. Add a negative-split percentage to run the second half quicker.
3. Race predictor: estimate other distances from a recent race using Pete Riegel's 1977 formula, with a 'rough guide' flag when the distances are far apart.

Made to be quick
• Type times the way you say them: 4:30 or 1:45:00.
• Save calculations and load them again later.
• Copy results to paste into notes or a chat.

Results are estimates, not medical advice. No sign-in, no ads, no data collection, and it works offline.
Pace to speed, goal-time splits and race-time prediction for runners.
Updated on
Oct 20, 2026

Data safety

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
    Location, App activity and 2 others
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

The back button now returns to the previous screen instead of closing the app.
Content rating
Everyone
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App support

About the developer
시모어
cmore.developers@gmail.com
단원구 와동로7안길 9-3, 1층(와동) 안산시, 경기도 15255 South Korea
+82 10-8358-3790

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