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5K in 30 Minutes: Pace per KM and Mile

Calculate your running pace per km and per mile, finish time and km splits, or predict race times with the Riegel formula — right in your browser.

Processing... 0%
Reading race data
Calculating pace and speed
Building split table

Result

This page opens the running pace calculator with a 5K in 30:00 already filled in: the required pace is 6:00 per kilometer, which equals 9:39 per mile or a steady 10.0 km/h (6.2 mph).

Finishing a 5K under 30 minutes is the classic first big goal after couch-to-5K plans — a pace brisk enough to feel like real running but sustainable with a few weeks of practice. The splits are easy to remember: 6:00 per kilometer, 12:00 at 2 km, 18:00 at 3 km, 24:00 at 4 km.

Adjust the time to see what a 28- or 27-minute 5K demands, or switch to the predictor mode to see what this result suggests for a 10K or a half marathon.

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Accepted Formats & Rules

  • Pace mode: distance + time gives pace per km, pace per mile, speed and km splits
  • Time mode: distance + target pace gives your projected finish time
  • Predictor mode: one known race result forecasts 5K, 10K, half and marathon times with Riegel's T2 = T1 × (D2/D1)^1.06

Key Benefits

✓ Three calculators in one: pace from a race result, finish time from a target pace, and Riegel race-time predictions.
✓ Metric and imperial at once: every pace is shown in min/km and min/mile, every speed in km/h and mph.
✓ A ready split table for your distance, so you know exactly what the clock should show at every kilometer mark.

Use Cases

  • • Signed up for a 10K and want to know what pace gets you across the line in under 50 minutes?
  • • Need km-by-km split times written on your hand for Sunday's half marathon?
  • • Wondering what marathon time your latest 10K result predicts?