Race Pace Calculator

Running Pace Calculator is the essential tool for every runner — whether you're training for your first 5K or chasing a marathon PB.
Enter any two of time, distance, or pace and instantly calculate the third. No fluff, no subscriptions — just fast, accurate results.
CALCULATOR
• Solve for time, distance, or pace in one tap
• Quick-pick chips for 5K, 10K, half marathon, and full marathon
• Switch between kilometers and miles — preference saved automatically
PACE CHART
• Full conversion table from 7.0 to 24.0 km/h
• Columns: KPH, MPH, min/km, and min/mile side by side
• Reorder columns by dragging, tap any row to highlight it
DESIGN
• Clean dark interface built for glanceability mid-run
• No clutter, no account required