Interval Calculator for Runners

Enter your values in the form, then hit Go! (Decimal entries will be rounded)

Total Run Time (minutes):

How long will your sprint intervals be? (minutes):

How long will your normal running intervals be? (minutes):

How many minutes into run will your first sprint interval start? (minutes):

What will your normal running speed be? (in mph):

What will your sprinting speed be? (in mph):

* Run icon from