---
title: "Race Strategy Calculator: Pacing from Your Recent Results · Runima"
description: "Build a race pacing plan from a recent race result or your activity data. Compare slower and faster splits using a Daniels-Gilbert race estimate."
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> Index of every page on this site: [llms.txt](https://runima.fit/llms.txt)

# Race Strategy Calculator

Use a recent result to compare slower and faster paces for each part of your race

**Distance**

**Finish time**

:

:

Enter a recent race result above to build your pacing strategy.

## How it works

Enter a recent race result, or sign in to use the fitness estimate from your latest uploaded activity. The Daniels-Gilbert formula uses that score to estimate a pace for your chosen race distance, as in the [**Race Time Predictor**](https://runima.fit/tools/race-time-predictor). The calculator calls this starting pace **optimal**. That label does not prove it is the best pace or strategy for you.

The pace options are called regimes. Conservative is 4% slower than the starting pace; slightly conservative is 2% slower. Slightly aggressive is 2% faster; aggressive is 4% faster.

Choose a preset or divide the race into your own phases. Set each phase's distance share so they total 100%, then choose a pace option for each one. The estimated finish time updates as you change the plan. For workout paces, use the [**Training Pace Calculator**](https://runima.fit/tools/training-pace-calculator).

### Example: compare slower and faster paces

If the estimated race pace is 5:00 min/km, 4% slower is 5:12, and 4% faster is 4:48. These are planning choices, not your chances of success.

The model does not account for your fuel, hills or tiredness late in a race. Estimates for 50 km and 100 km can be too optimistic.

To find splits that add up to a goal finish time, use the [**Race Pace Calculator**](https://runima.fit/tools/race-pace-calculator). To convert between distance, time and pace, use the [**Running Pace Calculator**](https://runima.fit/tools/running-pace-calculator).

**Want these numbers from your own data?**

Import your watch data and Runima tracks your fitness, fatigue and race readiness for free.

[**Create free account **](https://runima.fit/signup)

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