Free marathon tool

Marathon Pace Chart

Convert a target marathon time into pace per mile, pace per kilometer, half split, and cumulative race checkpoints so your pacing plan is simple enough to execute.

Marathon pace chart

See what your goal time means over the whole race.

Pick a marathon finish time and get per-mile pace, per-kilometer pace, plus cumulative splits through the entire race.

Target pace

9:09 / mile

5:41 / km

4:00:00
Goal time4:00:00
Half split2:00:00
Even-pace marathon5:41

This chart assumes even pacing. Real marathon execution still depends on your current training, course profile, weather, and how honestly the goal matches your base.

Cumulative split chart

Use this for pacing checks and race-planning notes, not to force your training week into marathon pace too early.

MarkerCumulative timePace / kmPace / mile
5K28:265:419:09
10K56:535:419:09
15K1:25:195:419:09
20K1:53:455:419:09
Half2:00:005:419:09
25K2:22:125:419:09
30K2:50:385:419:09
35K3:19:055:419:09
40K3:47:315:419:09
Finish4:00:005:419:09
Best for

Runners who want a cleaner race plan.

  • Checking 5K, 10K, half, and late-race split targets for a marathon goal time
  • Building a race-day pacing card that is simple enough to follow under stress
  • Comparing whether a marathon goal sounds calm, ambitious, or unrealistic
Pair it with

Use the chart, then sanity-check the goal.

A pace chart helps you understand the numbers. The next question is whether your training base actually supports them. That is where the readiness tool or a coaching page becomes more useful.

How to use it well

Turn the chart into better pacing, not more pressure.

The goal is not memorizing splits for the sake of it. The goal is reducing race-day confusion so you can run with more patience and fewer emotional mistakes.

What it is good for

Turning a goal time into clean race-day checkpoints.

Use the chart when you want to know what 3:30, 4:00, or 4:30 actually looks like at 5K, halfway, and late in the race instead of relying on a vague pace target.

What it is not

It is not proof that the goal is ready today.

The chart can translate a finish time into splits, but it cannot tell you whether your mileage, long runs, and recovery habits support holding that pace for 26.2 yet.

KenyanRunning view

Use pace charts to simplify, not to impress yourself.

A calm chart can help you avoid the classic mistake of starting too hot. The right execution is boring early, disciplined in the middle, and still honest late.