Marathon Pace Converter: min/mile ↔ min/km

A marathon is 42.195 km (26.2188 miles). Managing marathon pace is critical — going 5 seconds per km too fast in the first half is enough to cause a painful fade late in the race. Converting pace between units lets you reference the same goal across any watch, results page, or training platform.

Key marathon paces and finish times: - 3:30 min/km (5:38 min/mi) → 2:27:32 finish (elite club / Boston qualifier for men 18–34) - 4:00 min/km (6:26 min/mi) → 2:48:38 finish - 4:30 min/km (7:14 min/mi) → 3:09:44 finish - 5:00 min/km (8:03 min/mi) → 3:30:49 finish - 5:30 min/km (8:51 min/mi) → 3:51:55 finish - 6:00 min/km (9:40 min/mi) → 4:12:60 finish (4:13:00)

To convert: pace_min_km = pace_min_mile ÷ 1.60934. Finish time = pace_sec_km × 42.195.

Enter your target marathon pace in the converter above to get the precise conversion plus your projected split at every standard distance. Use Copy as text to paste the result into a wristband, training plan spreadsheet, or your GPS watch's structured workout app.