Calculate running pace, speed, time, and distance for training plans and race preparation. Whether you're training for a 5K, marathon, or just tracking your daily run, this calculator helps you plan and optimize your running performance.
If you run 5 km in 25 minutes, your pace is 5:00 min/km (8:03 min/mile) and your speed is 12.0 km/h (7.5 mph). A 5K at 6:00 min/km pace takes 30 minutes total.
A 10K run completed in 50 minutes equals a pace of 5:00 min/km. At a comfortable 6:00 min/km pace, the same distance takes 60 minutes. Elite runners complete 10K in under 30 minutes!
Running a half marathon in 1 hour 45 minutes gives you a pace of 4:58 min/km (8:00 min/mile). At 5:00 min/km pace, you finish in 1:45:30. At 6:00 min/km pace, it takes 2:06:36.
A 4-hour marathon requires a pace of approximately 5:41 min/km (9:09 min/mile). Sub-4 hour marathon pacing is 5:40 min/km. Elite marathoners run at ~2:55 min/km pace!
A brisk walking pace is typically 12-15 min/km (20-24 min/mile). At 12 min/km, you walk 5 km in 60 minutes. Walking 10 km at this pace takes 2 hours.
Pace and speed are inversely related: Speed (km/h) = 60 ÷ Pace (min/km). A 5 min/km pace equals 12 km/h, while 4 min/km equals 15 km/h. Every 0.5 min/km change significantly affects your speed.
Pace (min/unit) = Total Time (min) ÷ Distance (units)
Example: 30 minutes ÷ 5 km = 6:00 min/km
Time (min) = Pace (min/unit) × Distance (units)
Example: 6:00 min/km × 10 km = 60 minutes
Distance (units) = Total Time (min) ÷ Pace (min/unit)
Example: 90 min ÷ 6:00 min/km = 15 km
Speed (km/h) = 60 ÷ Pace (min/km)
Example: 60 ÷ 5 min/km = 12 km/h
Determine your target race pace and practice running at that speed during training. Use this calculator to find the exact pace needed for any race distance and target finish time.
Increase your running pace gradually — no more than 10% per week. A too-fast pace increase leads to injury. Use the calculator to plan incremental pace improvements over your training cycle.
Pace isn't everything — especially on hilly terrain or in extreme weather. Learn to combine pace data with Rate of Perceived Exertion (RPE) for more effective training adjustments.
Convert min/km to min/mile by multiplying by 1.609. A 5:00 min/km pace equals approximately 8:03 min/mile. This calculator handles all conversions automatically.
Running pace is the time it takes to cover a specific distance, typically expressed as minutes per kilometer (min/km) or minutes per mile (min/mile). For example, a pace of 5:00 min/km means it takes you 5 minutes to run one kilometer. Pace is the most commonly used metric among runners because it provides a clear, actionable target during training and racing. Unlike speed, which measures distance over time (e.g., km/h), pace focuses on time per unit distance — making it easier to gauge effort during a run.
While pace and speed are inversely related, they serve different purposes. Pace (min/km) tells you how many minutes it takes to cover a unit of distance — useful for pacing during a race. Speed (km/h or mph) tells you how many units of distance you cover per hour — useful for comparing overall performance. The conversion is simple: Speed (km/h) = 60 ÷ Pace (min/km). A 5:00 min/km pace equals 12 km/h, while a 6:00 min/km pace equals 10 km/h.
Use this calculator to determine your target race pace. Enter your goal distance and desired finish time to find the exact pace you need to maintain. Practice running at this pace during tempo runs.
For speed work, calculate the pace for shorter distances (400m, 800m, 1km intervals) that's faster than your race pace. Example: 5K race pace 5:00/km → interval pace 4:30-4:40/km.
Easy run pace should be 60-90 seconds per km slower than your 5K race pace. If your 5K pace is 5:00/km, easy runs should be at 6:00-6:30/km. This builds aerobic base without excessive fatigue.
Long runs should be run 45-60 seconds per km slower than your marathon goal pace. Use the calculator to find your marathon pace, then add 45-60 seconds for your long run target pace.
Our Running Pace Calculator is designed for runners of all levels — from beginners tracking their first 5K to marathoners fine-tuning their race strategy. The calculator supports three modes (calculate pace, time, or distance) and automatically converts between metric and imperial units. Use it to plan your training, set realistic race goals, and monitor your progress over time.
Calculate pace from time and distance, find required time for a target pace, or determine distance from pace and time — all in one convenient tool.
Work in minutes per kilometer or minutes per mile, km/h or mph. Supports meters, kilometers, and miles for distance measurements.
Get second-precision pace and time calculations essential for race day strategy. Know exactly what pace you need for your next race.
All calculations are performed in your browser. No personal data is stored, transmitted, or shared with any third parties.
Important Disclaimer: This Running Pace Calculator provides estimates for informational and educational purposes only. Individual running performance varies based on fitness level, training, health conditions, terrain, and other factors. Always consult with a qualified coach or healthcare professional before starting a new training program or significantly increasing training intensity. This tool is not a substitute for professional coaching or medical advice.