Race Time & Pace Predictor

This race time predictor is based off Peter Reigel's formula for race pace prediction.
https://en.wikipedia.org/wiki/Peter_Riegel#Race_time_prediction

T2 = T1 × (D2÷D1) ^ 1.06

  • T1 is the time achieved for D1
  • T2 is the time predicted for D2
  • D1 is the distance over which the initial time is achieved.
  • D2 is the distance for which the time is to be predicted.

Example
T1 = 9:28 minutes
D1 = 1 miles
D2 = 13.1 miles
T2 ~= 2:24:00 (HH:mm:ss)

Calculator

I just whipped a quick one up in javascript, there are bunch of them available on the internet, but wanted to write one for my blog :)

Distance Run:
Time Taken to Run above distance (HH:mm:ss):
Next Planned Race distance:

Results

Predicted time to finish race:
Predicted pace to finish race:

Jack Daniel's Calculator.

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