What is a good running pace?

It depends entirely on your fitness level, age, and goals. Beginner runners average 10-13 min/mile. Intermediate runners 8-10 min/mile. Advanced runners 6-8 min/mile. Elite marathoners run sub-5 min/mile. Focus on improving your own pace rather than comparing to others.

Should I run negative splits?

Negative splitting (running the second half faster than the first) is considered the optimal pacing strategy. It prevents early burnout and takes advantage of warming up. Start conservatively and gradually increase pace, especially in races.

How does pace change with distance?

Longer distances require slower paces. A runner who can hold 7:00/mile for 5K might run 7:30/mile for 10K, 8:00/mile for a half marathon, and 8:30/mile for a marathon. The slowdown is typically 5-10% per distance doubling.

What is the difference between pace and speed?

Pace is time per unit distance (8 min/mile) while speed is distance per unit time (7.5 mph). Pace is more intuitive for runners because it directly tells you how fast each mile or kilometer should feel.

How can I improve my running pace?

Incorporate interval training (speed work), tempo runs (sustained effort at lactate threshold), long runs (aerobic base), and strength training. Proper recovery, nutrition, and gradual mileage increases of no more than 10% per week support safe improvement.

Pace Calculator

Calculate running or cycling pace, finish time, or distance from any two known values.

Pace Calculator

Calculate your running or walking pace

Pace Calculator

Enter distance and time to find pace

Distance (miles)

Total Time (minutes)

Formula

Pace = Time / Distance

What Is Pace?

Pace is the amount of time it takes to cover one unit of distance — typically expressed as minutes per mile (min/mile) or minutes per kilometer (min/km). Unlike speed, which tells you how far you travel in a given time, pace flips that relationship: it tells you how long each mile or kilometer takes. Runners in the US usually train in min/mile, while most of the world uses min/km. Cyclists may also work in mph or km/h, which are simply the reciprocal of pace.

This calculator handles three modes. Given a distance and a finish time, it calculates your average pace for that effort. Given a target pace and a distance, it projects your finish time — useful when planning a race strategy. Given a pace and a time, it tells you how far you will travel, perfect for mapping out a training run. All three modes support miles and kilometers, and the tool converts automatically between the two unit systems so you can compare results side by side.

How to Use the Pace Calculator

1Select what you want to calculate: pace, finish time, or distance.
2Enter the two known values — for example, distance and finish time if you want your pace.
3Choose your preferred units: miles or kilometers.
4Click Calculate to see the result, including the equivalent speed in mph or km/h.

Formulas & Reference

Pace (min/unit) = Time (min) / Distance
Finish Time     = Pace × Distance
Distance        = Time (min) / Pace

Unit conversions:
  1 mile = 1.60934 km
  Speed (mph) = 60 / Pace (min/mile)
  Speed (km/h) = 60 / Pace (min/km)

Common race distances:
  5K = 3.107 mi   10K = 6.214 mi
  Half marathon = 13.109 mi (21.097 km)
  Marathon = 26.219 mi (42.195 km)

Pace and speed are reciprocals: a faster pace means a smaller number (fewer minutes per mile/km), while a higher speed means a larger number. Always double-check which unit system you are using before comparing paces from different sources.

Worked Examples

Example 1 — Find your 5K race pace

You finished a 5K race in 25:00. Distance in miles = 3.107 mi. Pace = 25 ÷ 3.107 = 8:03 min/mile. In kilometers: Pace = 25 ÷ 5 = 5:00 min/km. Your equivalent speed is 60 ÷ 8.05 ≈ 7.45 mph, or 12.0 km/h.

Example 2 — Project a half-marathon finish time

You plan to run a half marathon at a target pace of 10:00 min/mile. Half marathon distance = 13.109 miles. Finish time = 10 × 13.109 = 131.09 minutes = 2 hours, 11 minutes, and 5 seconds (2:11:05). That translates to a 6:13 min/km pace.

Example 3 — Calculate distance covered during a run

You ran for 45 minutes at an 8:30 min/km pace. Pace in decimal = 8.5 min/km. Distance = 45 ÷ 8.5 = 5.29 km (approximately 3.29 miles). Great for planning routes when you only know your available time and comfortable pace.

Frequently Asked Questions

What is a good 5K pace for beginners?▾

Most beginner runners finish a 5K in 30–40 minutes, which works out to roughly 9:39–12:52 min/mile (6:00–8:00 min/km). If you can run the full 5K without stopping, that is already an achievement worth celebrating. As your fitness improves, aim to shave 30–60 seconds off your pace every few weeks.

How do I convert min/mile to km/h?▾

First convert your pace to a decimal: 8:30 min/mile = 8.5 min/mile. Then divide 60 by that number: 60 ÷ 8.5 ≈ 7.06 mph. To get km/h, multiply by 1.60934: 7.06 × 1.60934 ≈ 11.36 km/h. Alternatively, use the Speed field in this calculator — it handles the conversion automatically.

What are negative splits?▾

Negative splits means running the second half of a race faster than the first half. It is widely considered the most efficient race strategy because it conserves energy early and lets you accelerate when competitors are fading. To plan negative splits, set a slightly slower pace for the first half and a slightly faster pace for the second half, keeping the average at your goal pace.

How do I calculate a race pace for a goal finish time?▾

Divide your goal finish time (in minutes) by the race distance. For example, to run a marathon in 4:00:00 (240 minutes): pace = 240 ÷ 26.219 ≈ 9:09 min/mile, or 240 ÷ 42.195 ≈ 5:41 min/km. Enter those values in this calculator's Finish Time mode and it will do the math for you.

What is the world record marathon pace?▾

As of 2024, the men's marathon world record is 2:00:35 set by Kelvin Kiptum in Chicago (October 2023), which works out to approximately 2:51 min/km (4:35 min/mile) — an almost incomprehensible pace sustained for 42.195 km. The women's world record is 2:09:56 set by Tigst Assefa, equating to around 3:04 min/km (4:57 min/mile).