# Race Time Calculator — Use data to set your race goal

> Predicts race times using Apple Health running data for personalized training goals. (iPhone/iPad app by Declan Kramper.)

- Source: https://appshunter.io/ios/app/race-time-calculator/id6478423515 (this page in markdown: same URL + `.md`)
- Developer: [Declan Kramper](https://appshunter.io/developer/1732773264)
- Category: Health & Fitness, Sports
- Price: Free (on sale, was $0.99)
- Rating: 5.00/5 from 9 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.2 · 13 MB
- Languages: English
- Released: 2024-03-05
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/race-time-calculator/id6478423515/reviews.md

## What is Race Time Calculator?

Training for an upcoming race? Want to know what time you should aim for based on your recent training? Race Time Calculator analyzes your running data (stored in your Apple Health app) to predict your expected race times with real accuracy.

With personalized goal times based on your actual training, you’ll unleash your full potential, crush PRs, and even surprise yourself!

Why Race Time Calculator?
	•	The ONLY app that uses your real running data for predictions.
	•	Provides accurate insights in under a minute to help you train smarter.
	•	Share your in-app results with friends and training partners to stay motivated.

Don’t leave your performance to chance. Use your data to run smarter and achieve your goals!

Note: Race Time Calculator requires running workouts to be saved in your Apple Health app.

## Key features

- Analyzes running data from Apple Health
- Predicts accurate race times
- Provides personalized goal times
- Offers insights in under a minute
- Share results with friends

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/race-time-calculator/id6478423515/reviews.md

### 5/5 — Super helpful app

*2024-03-08*

Very useful way to take a look at what I’m lookin at race time wise before a big one

**Developer response:** Awesome! Go get that big one, despacitodude223!

### 5/5 — Changed my life!!

*2024-03-06*

This app helped me decrease my mile time while training for the Antarctica marathon. Got my marathon time down to 5 hours 😄🙌 very thankful

**Developer response:** Hi Purple cow! 

So glad to hear you had a great experience using our app. Have a great time in Antarctica - good luck and stay warm!

## Frequently asked questions about Race Time Calculator

### How does Race Time Calculator predict race times?

Race Time Calculator analyzes your running workouts saved in the Apple Health app. It uses this data to provide accurate predictions for your expected race times.

### What devices does Race Time Calculator support?

Race Time Calculator is available on iPhone and iPad devices, leveraging Apple Health integration.

### Is Race Time Calculator free to use?

Yes, Race Time Calculator is available for free. There are no in-app purchases or advertisements within the application.

### How accurate are the race time predictions?

The app is designed to provide real accuracy by analyzing your actual training data. Users can expect personalized goal times based on their performance.

### What running data does Race Time Calculator need?

Race Time Calculator requires running workouts to be saved in your Apple Health app. This data is essential for generating predictions.

### How often is Race Time Calculator updated?

The latest version, 2.0, was released on March 5, 2024, with the last update on October 5, 2025. This indicates a commitment to ongoing development and improvements.

### What is the age rating for Race Time Calculator?

Race Time Calculator has an age rating of 4+, making it suitable for a wide range of users interested in fitness tracking.

### Can I share my race predictions with others?

Yes, you can share your in-app results with friends and training partners. This feature is designed to help you stay motivated during your training.

## Version history (last 5 releases)

### 2.0 — 2025-10-05

Download Garpple! It's the best way to se progress towards and feel confident in achieving your running goals.

### 1.6 — 2025-01-07

Hi runners! This app is now free—calculate unlimited race time predictions, forever. I want it to help you on your running journey, and I only ask one favor: share your feedback about your dream running app right in the app. I’ll build it for you!

### 1.5 — 2024-10-30

What even is a mile?? Now adding support for the most requested feature ever; you can choose to see your predicted pace in min/km, in addition to min/mile.

### 1.4 — 2024-09-17

- pace required: added corresponding pace to predicted time so you can train with pace in mind
- improved results page: emphasized your results with cleaner text/formatting, including required pace, and made the share results option conditional accordingly
- gathering paid feature interest: changed feedback form to get responses on what features users would pay for

### 1.3 — 2024-08-27

- implemented user feedback: training period dates won't reset after each prediction
- fixed feedback section gesture bug so it’s more responsive (keyboard loads faster and disappears on submission)
- new UI that’s faster + cleaner (ScrollView with VStack sections instead of forms)
- updated description so users better understand the app’s benefits

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## More apps by Declan Kramper

- [ChiTrack: Tracker for CTA](https://appshunter.io/ios/app/chitrack-tracker-for-cta/id6745131685)
- [Surgent - Am I Improving?](https://appshunter.io/ios/app/surgent-am-i-improving/id6752552132)
- [Come On Eileen! Step Tracker](https://appshunter.io/ios/app/come-on-eileen-step-tracker/id6756734313)

All apps by Declan Kramper: https://appshunter.io/developer/1732773264

## Related topics

[declan kramper](https://appshunter.io/ios/topics/declan-kramper) · [race time calculator](https://appshunter.io/ios/topics/race-time-calculator)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*