Calcscape

Pace Calculator

Even-split pace from a finish time. Click any i for detail.

Jump to result

Race or workout

Distance
i
Distance

Race or workout distance in the unit you pick.
Unit
i
Unit

Miles or kilometers.
Hours
i
Hours

Full hours, if any.
Minutes
i
Minutes

Elapsed minutes.
Seconds
i
Seconds

Elapsed seconds.

How to use this calculator

  1. Enter distance and pick miles or km.
  2. Enter finish time as hours, minutes, seconds.
  3. Read pace per mile and per kilometer.
  4. Assume even splits unless you know otherwise.

Results explained

Pace is elapsed minutes ÷ distance, shown as m:ss. The page also converts mi ↔ km.

Quick reference: distances

A 5K is 3.10686 miles.

ItemDetail
5K3.10686 mi
10K6.21371 mi
Half marathon13.1094 mi
Marathon26.2188 mi

Treadmill pace is usually a mile pace even if the belt UI also shows km.

How the estimate is built

min per unit = (hours×60 + minutes + seconds/60) ÷ distance.

Example scenario

3.1 miles in 28:00 is about a 9:02 mile.

FAQ

Negative splits?

This is average pace, not a split planner.

Bike speed?

Use the mph line in the breakdown as a rough speed; it is still from running inputs.

Track 400s?

Enter 0.25 miles or 0.4 km.