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Calcimator

Elevation-Adjusted Pace Calculator

Calculate your grade-adjusted pace for hilly courses using elevation gain and loss data. Based on physiological cost of running uphill and downhill.

Inputs

miles
ft
ft

Results

Adjusted Pace

8:36

Flat Pace8:30
Pace Adjustment6 sec/mi
Average Grade0%
Gain per Mile115 ft
Loss per Mile115 ft
Flat Course Time1:51:21
Adjusted Course Time1:52:36
Time Difference1.3 min
How to Use This Calculator
  1. Enter your Flat Pace in minutes and seconds per mile.
  2. Set the Course Distance in miles and the Total Elevation Gain and Loss in feet.
  3. Review the Adjusted Pace to see how much slower your effective pace will be on a hilly course.
  4. Check the Time Difference to estimate how much additional time the elevation adds.
  5. Use Average Grade and Gain per Mile to understand course difficulty.

What each input means

Flat Pace Minutes
Minutes portion of your pace per mile on flat ground. This is your baseline fitness pace.
Flat Pace Seconds
Seconds portion of your flat pace per mile.
Course Distance
Total distance of the course in miles. Half marathon = 13.1, marathon = 26.2.
Total Elevation Gain
Total cumulative climbing over the course in feet. Check your GPS data or race course profile.
Total Elevation Loss
Total cumulative descent over the course in feet. For a loop course, this roughly equals elevation gain.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Flat Pace Minutes = 8, Flat Pace Seconds = 30, Course Distance = 13.1, Total Elevation Gain = 1500 = 5 input(s) provided
  2. Calculate Adjusted Pace
    Adjusted Pace = formatPace(max(adjustedPace
    8:36 = 8:36
  3. Calculate Flat Pace
    Flat Pace = formatPace(flatPace)
    8:30 = 8:30
  4. Calculate Pace Adjustment
    Pace Adjustment
    6 = 6

Engine last updated . Checked against 1 independently-derived test — how we verify calculators.

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