Home Back

100 Mile Run Pace Chart

Pace Calculation Formula:

\[ P = \frac{T}{D} \]

Where:

  • \( P \) — Pace (minutes per mile)
  • \( T \) — Total time (minutes)
  • \( D \) — Distance (miles, e.g., 100)

hours
minutes
miles

1. What is the Pace Calculation?

The pace calculation determines how fast you need to run each mile to complete a specified distance in your target time. For ultramarathon runners, this is crucial for planning race strategy and managing energy.

2. How Does the Calculator Work?

The calculator uses the simple formula:

\[ P = \frac{T}{D} \]

Where:

  • \( P \) — Pace (minutes per mile)
  • \( T \) — Total time (minutes)
  • \( D \) — Distance (miles)

Explanation: The equation divides your total target time by the distance to determine the required pace per mile.

3. Importance of Pace Calculation

Details: For a 100-mile run, maintaining the right pace is essential to finish within cutoff times while conserving enough energy for the entire distance. Even small pace variations can significantly impact total time.

4. Using the Calculator

Tips: Enter your target finish time in hours and minutes, and the distance (typically 100 miles for ultramarathons). The calculator will show the required pace per mile.

5. Frequently Asked Questions (FAQ)

Q1: Should I maintain this pace the entire race?
A: Most runners slow down as the race progresses. Consider calculating different paces for different sections of the race.

Q2: How does elevation affect pace?
A: Significant elevation gain will require slower paces. Add 10-30 seconds per mile for every 100 feet of elevation gain.

Q3: What's a good pace for a 100-mile race?
A: Elite runners maintain 8-10 min/mile, while average finishers typically run 12-18 min/mile including walk breaks.

Q4: How should I use this pace in training?
A: Practice running at this pace during long training runs, especially when fatigued.

Q5: What about aid station time?
A: Remember to account for time spent at aid stations in your overall pace calculation.

100 Mile Run Pace Chart© - All Rights Reserved 2025