Marathon Pace Calculator

Calculate the pace required to finish a marathon in your goal time.
Calculator
Enter your values
Results
Pace per Mile
9:09
Pace per Km
5:41
Speed (mph)
6.55
Speed (kph)
10.55
Race Analysis
Breaking down your marathon goal

Key Splits

  • 10K Split: 56:53
  • Half Marathon Split: 2:00:00

Goal Context

Finishing a marathon is a huge achievement regardless of time. Focus on consistent pacing.

Fueling Strategy

For a race of this duration (4h 0m), aim to consume 30-60 grams of carbohydrates per hour to avoid glycogen depletion ("hitting the wall").

How to Use

Step-by-step instructions
  1. 1Enter your goal marathon finish time (Hours, Minutes, Seconds).
  2. 2The calculator will display the required pace per mile and per kilometer.
  3. 3It also shows the average speed required.

Pace Formula

The calculator divides your total goal time by the marathon distance (26.2188 miles or 42.195 km) to find the required average pace.
Pace = Total Time / Distance

Variables:

TimeGoal finish time
Distance26.2 miles / 42.2 km

Example

Sub-4 Hour Marathon

Inputs:

Time:4:00:00

Steps:

  1. 1.Total seconds: 4 x 3600 = 14,400 s
  2. 2.Divide by 26.2188 miles: 549.2s per mile
  3. 3.Convert to minutes: 9:09 per mile
Result:
9:09/mi

Frequently Asked Questions

What is a good marathon time?

Average marathon times vary by age and gender, but generally, under 4 hours is a common benchmark for recreational runners.