Whether you are training for your first 5K or chasing a Boston Marathon qualifying time, our precision tools help you manage your pace and energy effectively.
Input any distance and time to calculate your pace per km/mile, speed, and splits.
Calculate your marathon finish time and average pace per mile/km.
Plan your race pace for 13.1 miles. The perfect balance of speed and endurance.
Calculate the exact splits needed to break the elusive 3-hour marathon barrier.
Find out the pace you need to qualify for the prestigious Boston Marathon based on your age and gender.
Calculate your pace for a 5K race. Ideal for beginners and speed training.
Find your target pace for a 10K race. The bridge between speed and long distance.
Predict your Marathon, Half Marathon, or 10K finish time using Riegel's Formula based on your best recent race result.