Best 400M Pacing Apps

Pace: Running Pace Calculator

Pace, splits, finish times

Free

This app helps runners plan their races by calculating pace and speed. It provides instant conversions and displays finish times for various race distances, from short sprints to ultra-marathons. Users can also plan race strategies with detailed splits and switch between metric and imperial units.

RunSync: Pacing and Music

by Jacob Johnston

Free

This app helps runners maintain a consistent cadence by syncing their music library to their target pace. It analyzes songs to find tracks that match your desired steps per minute, allowing you to focus on your run rather than your watch.

TrackSpeed: Sprint Timer

Phone Timing for Sprinting

Free

This app uses your iPhone's camera to time sprint sessions, track laps, and record results. It supports multiple camera setups for complex courses and offers various starting methods. Review, compare, and share your training data.

PaceBuzz: Track Splits

Apple Watch Run Intervals

Free

This app helps runners track their pace and splits during workouts and races. Plan your training on your iPhone and receive real-time feedback and alerts on your Apple Watch. Review detailed performance metrics and share your progress.

SplitCue: Interval Run Coach

AI Workouts & Live Pace Cues

Free

This app provides structured interval training for runners with AI-generated plans and real-time audio cues. It allows users to build custom workouts, track pace and distance, and receive guidance to focus on their run.

run CTRL

by Petru Teodorescu

Free

This app helps runners maintain a consistent pace by vibrating when they run too fast or too slow. Simply set your desired speed and the app will provide real-time feedback.

Pacer

by Jason Whelan

Free

Track your runs with detailed metrics like time, pace, and distance. Keep a record of your past workouts for future review and progress monitoring.

Pace Adjuster

by Andrew Lapin

Free

This app helps runners maintain their target pace during training and races. It provides real-time vibrational feedback to alert users if they are running too fast, too slow, or are on pace. Achieve your running goals with intelligent pace guidance.

Running Pacer

Pace Calculator & Converter

Free

Easily convert running paces between minutes per kilometer and minutes per mile. This tool also helps you visualize your pace for various race distances.

Run Pace

Run Pace Calculator

Free

Easily calculate your running pace for different distances. This utility app helps runners determine their speed and performance metrics.