TheMarathon Clinic
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Race-time predictor

What can I run?

One recent race gives your equivalent times at every distance, and an honest read on whether your goal is on for the weeks you've got.

Recent effort
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weeks
Units

We’ll send this result to your inbox and keep your numbers with your profile, so a coach can pick up exactly where you are. No spam.

Updates live as you type. No account needed.

From your coach

That half projects an honest marathon of 3:14:00. Your 3:14:40 goal is already inside your current fitness. The job now is sharpening and a clean race plan, not chasing the clock.
JHJason HuntFounder & Head Coach
What you can run

5K

20:17

10K

42:04

Half

1:33:10

Marathon

3:14:00

Your goal

3:14:40

To find

On track

already there

Current pace

4:36/km

your marathon now

Goal pace

4:37/km

your marathon goal

How the numbers are made: the Daniels–Gilbert model scores your race as a single fitness number (a VDOT), then extrapolates your equivalent times at every distance. The goal read weighs your projected marathon against the weeks you have and the improvement a focused block realistically allows. Honest estimates, not promises.

Close the gap.

This is the exact gap a coach is built to close, week by week, run by run.