Pace Calculator
Calculates running or walking pace (time per unit distance). Formula: Pace = Time ÷ Distance. Also converts pace to spee...
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How It Works
Calculates running or walking pace (time per unit distance). Formula: Pace = Time ÷ Distance. Also converts pace to speed and projects finish times for common race distances.
Quick Reference
5K in 30 minutes
30/5
6:00 min/km
10K in 55 minutes
55/10
5:30 min/km
Marathon 4 hours
240/42.2
5:41 min/km
Tips & Shortcuts
A comfortable aerobic pace is one where you can hold a conversation.
1:00/km pace = 60 km/h (elite sprinting). 6:00/km is a comfortable recreational jog.
Negative splits (running second half faster) is the optimal race strategy.
Common Mistakes
Confusing pace with speed
Pace is time per distance (min/km). Speed is distance per time (km/h). They are reciprocals.
Training at race pace for all runs
80% of training should be at easy pace (60-70% max HR). Only 20% at hard efforts.
Frequently Asked Questions
A comfortable conversational pace for most beginners is 12–14 minutes per mile (7:27–8:41/km). You should be able to speak in full sentences.
Divide 60 by your pace in minutes. An 8:00/mile pace equals 60÷8 = 7.5 mph. For km, 5:00/km = 60÷5 = 12 km/h.
A 4-hour marathon requires a 9:09/mile pace (5:41/km) maintained for the full 26.2 miles.
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