Split Times Calculator

Work out split times instantly with clear inputs, formula shown and shareable results.

About Split Times Calculator

Even pacing means each split takes the same time: total time divided by the number of splits. A 50 minute 10 km needs 5:00 kilometres, so the halfway point comes at 25:00. Writing the splits on your hand and checking them at each marker is the simplest way to stop the common mistake of starting too fast.

Formulas

Pace

pace = total time / distance

Split time

split = pace x split distance

Worked example

With the default values below, Split Times Calculator returns Time Per Split of 5:00. Change any input above and every figure here is recalculated in your browser.

Inputs used

Target finish timeminimum 0.1 min: 50 min
Race distanceminimum 0.1 km: 10 km
Split intervalminimum 0.01 km: 1 km

Results

Time Per Split: 5:00
Pace Per Kilometre: 5:00
Number Of Splits: 10.00
Halfway Split: 25:00

Step by step

1Values used
2Pace
3Split time
4Time Per Split= 5:00
5Pace Per Kilometre= 5:00
6Number Of Splits= 10.00
7Halfway Split= 25:00

Assumptions and limits

The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
This is an estimate from population-average equations, not a medical or diagnostic assessment. Individual results vary with genetics, training history and technique. Seek advice from a qualified coach or clinician before making significant changes to training.
This is an estimate for general information and not professional medical advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

This is an estimate from population-average equations, not a medical or diagnostic assessment. Individual results vary with genetics, training history and technique. Seek advice from a qualified coach or clinician before making significant changes to training.

Frequently Asked Questions

Is even pacing optimal?

For distances from 5 km up, near-even pacing produces the best times in almost all cases. Only very short races reward a fast start.

How much does going out too fast cost?

Typically 30-90 seconds over 10 km. The early time gained is repaid with interest in the final third.