Best 400M Pacing Apps

249+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

Out of 249+ 400m pacing apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top 400M Pacing Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pace: Running Pace CalculatorPace: Running Pace CalculatorFree4.7β˜… (385)YesYesOct 2026
2Intervals Pro: HIIT TimerIntervals Pro: HIIT TimerFree4.8β˜… (14K)NoYesOct 2026
3Track PacingTrack PacingFreeβ€”NoYesJun 2026
4Split IQ - Pacing IntelligenceSplit IQ - Pacing IntelligenceFree5.0β˜… (1)NoYesAug 2026
5PacingPacingFreeβ€”NoNoSep 2026
6OnTrack Interval TimerOnTrack Interval TimerFreeβ€”NoYesJun 2026
7Lappt Circuit - Pace RunnerLappt Circuit - Pace RunnerFreeβ€”YesNoAug 2026
8Pacr - Running pace calculatorPacr - Running pace calculatorFreeβ€”NoNoAug 2026

Top Picks for 400M Pacing

4.7😐(385 ratings)
FreeAdsIn-App Purchases
Pace: Running Pace Calculator screenshot 1
Pace: Running Pace Calculator screenshot 2
Pace: Running Pace Calculator screenshot 3
Pace: Running Pace Calculator screenshot 4
Pace: Running Pace Calculator screenshot 5
Pace: Running Pace Calculator screenshot 6

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.

What We Love

  • πŸ‘ Simple and easy to use
  • πŸ’‘ Custom splits functionality
  • πŸš€ Efficient pace calculation
  • πŸ‘ Straightforward UI
  • πŸ’‘ Toggle between metric and imperial units
  • πŸ‘ Useful for training and races
  • πŸ‘ Great for achieving pace goals

Room to Improve

  • πŸ’Έ Intrusive ads after update
  • πŸ› Paces are sometimes incorrect
  • πŸ› Algorithm inaccuracies
  • πŸ› Pace display issues with km/h
  • πŸ› UI elements not visible on certain devices
Intervals Pro: HIIT Timer#2

Intervals Pro: HIIT Timer by Intervals, LLC

Running & Fitness Workouts
4.8😊(14K ratings)
FreeIn-App Purchases
Intervals Pro: HIIT Timer screenshot 1
Intervals Pro: HIIT Timer screenshot 2
Intervals Pro: HIIT Timer screenshot 3
Intervals Pro: HIIT Timer screenshot 4
Intervals Pro: HIIT Timer screenshot 5
Intervals Pro: HIIT Timer screenshot 6

Create and follow custom interval training routines for various fitness activities. This app offers extensive customization for intervals, alerts, and goals, with seamless integration for Apple Watch and Apple Health.

What We Love

  • πŸ‘ Customizable timers and intervals
  • πŸš€ Seamless Apple Watch integration
  • πŸ’ͺ Helps with fitness goals and training
  • πŸ” Detailed workout tracking and analytics
  • 🎨 Intuitive and user-friendly interface
  • πŸ’» Responsive and helpful developer support

Room to Improve

  • πŸ› Occasional sync and connectivity issues
  • πŸ” Lack of clear guidance and documentation
  • πŸ’° Paid version required for full functionality

More 400M Pacing apps to explore

FAQ about 400M Pacing

What are the best 400m pacing apps for iPhone?
Pace: Running Pace Calculator tops our 400m pacing apps ranking as of September 2026, with a 4.7-star average from 385 App Store ratings, and it's free to download.
Yes β€” 20 of the top 400m pacing apps we rank are free to download, including Pace: Running Pace Calculator and Intervals Pro: HIIT Timer.
Pace: Running Pace Calculator shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ 400m pacing apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.