Calcpace
Free on Google Play
Prague, Czechia
April 03, 2027
Calculating needs a connection. The button comes back as soon as you're online.
Enter a recent race result for an instant prediction.
Vodafone Prague Marathon
Next: May 02
Mattoni Olomouc Half Marathon
Olomouc, Czechia
Next: Jun 12
Boston Half
Boston, United States
Next: Nov 08
Add Calcpace to your home screen
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Install it and open it like an app.