PaceAce vs Run Pace Calculator

Calculate your splits for your next workout with PaceAce. PaceAce allows you to take a time and distance and calculate your splits with ease. Easy to use and even available on Apple Watch for those times when you don't have your phone! Created by Jake Derouin (CU Boulder XC/Track Athlete)

Always stuck calculating the distance or duration of a run. Or want to calculate how long your interval workout will take. Run Calculator is the all-in-one tool for runners of every level. Whether you’re training for your first 5K or preparing for a marathon, this app makes planning and building your workouts simple. Features: - Instant pace calculations - Enter any two values (time, distance, or pace) and instantly calculate the third. - Speed conversions - Quickly switch between pace and km/h or mph. - Custom Workout Builder - Drag and drop warm-ups, intervals, recoveries, and cool-downs to design workouts that fit your training plan. - Automatic summaries - See total time, distance, and average pace for any workout at a glance. - Smart settings - Save your default paces, preferred units, and theme (light, dark, or system). - Event presets - One-tap access to common race distances from 5K to marathon. - Whether you want to calculate splits, create interval sessions, or fine-tune your training, Run Calculator gives you the tools to do it - fast, simple, and accurate. - Supports both kilometers and miles.