Precision Performance

Free Online Running Pace Calculator & Race Time Predictor

Calculate your target pace, estimated finish times, and split markers for your next race or training session with high accuracy.

Calculate Your Pace

km
Hours
:
Mins
:
Secs

Pro Tip

Most marathoners aim for a "Negative Split"—running the second half slightly faster than the first. Use the split table to plan your energy conservation strategy.

Calculated Pace

0:00 min/km

Fill in the fields to see your prediction.

Target Splits

Distance Time
Enter distance and time to view splits

Why Use This Calculator?

Our Free Online Running Pace Calculator helps athletes of all levels eliminate guesswork. Whether you're training for your first 5K or a sub-3 hour marathon, precision timing is key to hitting your PB.

Metric & Imperial

Toggle effortlessly between Kilometers and Miles. The tool automatically recalculates splits and pace requirements based on your preferred unit of measurement in real-time.

Race Prediction

Enter your goal race time and distance to discover exactly what pace you need to maintain. Use the dynamic split table to monitor your progress at every mile or kilometer marker.