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Running Pace Calculator

Calculate pace, speed, or finish time for any distance including 5K, 10K, half marathon, and marathon.

Pace
min/mi
Speed
mph
Finish Time

What is a Running Pace Calculator?

A running pace calculator helps you plan and analyze running performance by computing the relationship between distance, time, and pace. Pace (minutes per mile or per kilometer) is the most common metric for runners, while speed (miles or km per hour) is used for treadmills and sports science. Knowing your pace helps you run negative splits, pace a race, and track progress over time.

How to Use

  1. Enter distance and finish time → see your pace and speed.
  2. Or enter distance and pace → see your projected finish time.
  3. Select a race preset (5K, 10K, half, full) for quick setup.
  4. See equivalent finish times for all major race distances at your pace.

Frequently Asked Questions

Average recreational runners complete a 5K in 25–35 minutes (about 8–11 min/mile pace). For a 10-minute mile pace at a marathon, the finish time would be about 4h 22m. Elite marathoners run around 4:42/mile (2:03 marathon). A good beginner goal is running a 5K under 30 minutes (9:39/mile).

To finish a marathon (26.2 miles) in 4 hours, you need to maintain a pace of 9:09 per mile (5:41 per km). This requires consistent training and good pacing strategy — many runners start too fast and slow significantly in the second half.

Improve pace through: interval training (short fast bursts), tempo runs (comfortably hard sustained pace), increasing weekly mileage gradually (no more than 10% per week), strength training for runners, and adequate rest. Most runners see pace improvements of 30–60 seconds per mile over a 12-week training plan.

5K pace is typically faster than marathon pace because the shorter distance allows more effort. A runner doing a 4-hour marathon at 9:09/mile might run a 5K at 7:30–8:00/mile. The most common 5K finish time for recreational runners is 25–30 minutes (8:03–9:39/mile).

Quick Facts

  • ✓ Miles and kilometers
  • ✓ 5K, 10K, half & full marathon presets
  • ✓ Shows pace, speed & finish time
  • ✓ Equivalent race times at your pace
  • ✓ 100% free, browser-based