MayoCalc / Health

Running Pace Calculator

Calculate pace, finish time, or distance for any run.

Last updated April 2026
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Your Pace
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Speed
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Race Predictions at This Pace
Disclaimer: This tool is for general educational and informational purposes only. It does not constitute medical advice, professional diagnosis, or treatment and is not a substitute for consultation with a qualified healthcare provider. No doctor-patient relationship is created by your use of this tool. Results are estimates based on published formulas and population-level data that may not reflect your individual medical circumstances. Neither MayoCalc nor Cook Media Systems assumes any liability or responsibility for damage or injury (including death) to any person arising from the use of any information, results, or content provided by this tool. Always consult your physician or other qualified healthcare provider with any questions about a medical condition. See our full Disclaimer and Terms of Service.

How Pace Is Calculated

Running and walking pace is expressed as the time it takes to cover one mile or one kilometer. If you run 3 miles in 27 minutes, your pace is 9:00 per mile (27 / 3 = 9 minutes per mile). Pace and speed are inversely related: faster pace means higher speed. A 9:00/mile pace equals 6.67 mph. A 7:00/mile pace equals 8.57 mph.

Pace = Total Time / Distance
Speed (mph) = 60 / Pace (min/mile)
Finish Time = Pace x Distance

How to Use This Calculator

Enter any two of the three values: distance, time, and pace. The calculator solves for the third. You can use it to find your pace from a recent run, predict a finish time at a target pace, or figure out the pace needed to hit a goal time. The calculator supports miles and kilometers and converts between pace-per-mile and pace-per-kilometer.

Race Pace Benchmarks

Average finish times vary widely by race distance and runner experience. For a 5K: beginner 30-35 min (10:00-11:15/mi), intermediate 22-28 min (7:00-9:00/mi). For a half marathon: beginner 2:15-2:45 (10:15-12:35/mi), intermediate 1:45-2:10 (8:00-10:00/mi). For a marathon: beginner 4:30-5:30 (10:15-12:35/mi), intermediate 3:30-4:15 (8:00-9:45/mi). The Step Calorie Calculator estimates calories burned at different paces.

Pace Calculator FAQ

How do I run a negative split?
A negative split means running the second half faster than the first. This is considered the optimal race strategy because it prevents early burnout. Start 10-15 seconds per mile slower than your target pace for the first half, then gradually increase. Most course records and world records are set with negative or even splits.
Why is my treadmill pace different from outdoor pace?
Treadmill running lacks wind resistance and terrain variation, making the same pace feel easier. A 1% incline on the treadmill roughly simulates the energy cost of outdoor running on a flat surface. Temperature, humidity, and altitude also affect outdoor pace. Do not expect treadmill paces to translate directly to race performance.

Understanding Running Pace

Running pace (minutes per mile or per kilometer) is the most common metric for runners of all levels. Average recreational running pace is 9-12 minutes per mile. Competitive amateur runners typically maintain 7-9 minutes per mile. Elite marathon runners sustain approximately 4:40-5:00 per mile over 26.2 miles. Pace varies significantly by distance: most runners can maintain a pace roughly 30-60 seconds per mile faster for a 5K than for a marathon due to the aerobic demands of longer distances.

Common race pace benchmarks include: sub-30 5K (9:39/mile), sub-25 5K (8:03/mile), sub-2:00 half marathon (9:09/mile), sub-4:00 marathon (9:09/mile), sub-3:30 marathon (8:01/mile), and the elusive sub-3:00 marathon (6:52/mile, achieved by roughly 5% of marathon finishers). Training typically involves running most miles at "easy pace" (60-90 seconds slower than race pace), with 20% of weekly mileage at tempo or interval paces.

Pace and Heart Rate Training

Heart rate-based training zones correlate with pace zones but account for individual fitness, fatigue, heat, altitude, and other variables that affect effort. Easy runs should feel conversational (zone 2, 60-70% max heart rate). Tempo runs sit at the lactate threshold (zone 3-4, 80-88% max heart rate). Interval training pushes into zones 4-5. The Heart Rate Calculator determines your personal training zones, and the Step Calorie Calculator estimates energy expenditure for walking and running activities.

Negative splits (running the second half of a race faster than the first) are the hallmark of experienced racers and are consistently associated with faster overall finishing times. Analysis of major marathon results shows that runners who positive split (start fast, slow down) finish an average of 3-5% slower than their potential. The ideal strategy for most distances is to run the first mile 5-10 seconds slower than goal pace, settle into goal pace for the middle miles, and attempt to accelerate slightly in the final 10-20% of the race. This requires discipline in the opening miles when adrenaline and fresh legs tempt you to go out too fast.

Related Guide

How to Start Running: Beginner to 5K

How to Start Running: Beginner to 5K

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