# Track Calculator: RunCalc — Altitude, pace and race times > Converts race times based on altitude using NCAA models. (iPhone/iPad app by Nathan Lambson.) - Source: https://appshunter.io/ios/app/track-calculator-runcalc/id1375199927 (this page in markdown: same URL + `.md`) - Developer: [Nathan Lambson](https://appshunter.io/developer/1049870965) - Category: Sports, Health & Fitness - Price: Free - Rating: 5.00/5 from 16 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 18.2 · 7 MB - Languages: American English - Released: 2018-07-25 - Data updated: 2026-10-04 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/track-calculator-runcalc/id1375199927/reviews.md ## What is Track Calculator? Compare running times across altitude, distance and pace. - Estimate an equivalent race time at a different elevation. - Choose from common race distances and compare distance equivalents. - Review pacing splits. - Select a track, save favorites, and revisit calculation history. - Copy or share a result. Calculations are estimates for training and comparison. They do not predict an individual performance or establish an official qualifying time. Location is optional and helps find nearby tracks. RunCalc requires a subscription or lifetime purchase. Available annual, monthly and lifetime plans and prices are shown in the app. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - Altitude conversions for 800m to 10000m races - NCAA-modeled conversion standards - Simple and easy-to-use interface - Free to download and use - Regular feature updates based on user feedback ## Is Track Calculator safe? Not enough ratings yet to assess Track Calculator. ## Is Track Calculator legit? Track Calculator: RunCalc appears to be a legitimate app. The AppsHunter Legitimacy Score for Track Calculator is 83 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/track-calculator-runcalc/id1375199927/reviews.md ### 5/5 — Great app! *2021-01-06* Had a lot of trouble finding a website or app that allows you to go from altitude to sea level rather than sea level to altitude. I live in Denver, so this works perfectly for pacing when doing some out of state races. Love it, thank you! ### 5/5 — Only Conversion for Track *2018-06-25* This is the only app I can find for track conversion. I know there are some bugs at first but this will be really helpful!! ### 5/5 — Great app *2018-06-22* A helpful tool that is easy to use! ## Frequently asked questions about Track Calculator ### What running distances does Race Time Altitude Conversion support? Race Time Altitude Conversion supports conversions for 800m, 1500m, Mile, 3000m, 3200m, 5000m, and 10000m races. ### What conversion model does Race Time Altitude Conversion use? The app uses conversions modeled after NCAA standards. However, it is not affiliated with the NCAA. ### Is Race Time Altitude Conversion free to use? Yes, Race Time Altitude Conversion is completely free to download and use, with no in-app purchases or ads. ### What devices is Race Time Altitude Conversion available on? Race Time Altitude Conversion is available on iPhones and iPods. ### How often is Race Time Altitude Conversion updated? The app was last updated on July 25, 2018, with version 1.0.2. Future updates will be based on user feedback and bug reports. ### What is the age rating for Race Time Altitude Conversion? Race Time Altitude Conversion has an age rating of 4+, making it suitable for a wide range of users. ### How can I report a bug or suggest a feature for Race Time Altitude Conversion? You can report bugs or suggest features by emailing the developer directly at runcalcapps@gmail.com. ### Does Race Time Altitude Conversion require an internet connection to work? The provided data does not specify if an internet connection is required. However, typically, conversion tools like this can function offline. ## Version history (last 5 releases) ### 1.4 — 2026-10-03 Clearer purchase options, easier time entry, improved formatting, and reliability fixes. ### 1.3.0 — 2026-05-02 Altitude conversion algorithm improvements against fresh reference data captured this spring. Conversions are noticeably more accurate at NCAA altitude venues — Adams State, Air Force, Northern Arizona, Wyoming, Colorado, Albuquerque, BYU and the rest of the high-altitude circuit. ### 1.2.0 — 2026-05-01 v1.2 — full redesign and an upgraded conversion model. WHAT'S NEW • Brand-new visual design with a focused single-screen layout • Animated launch screen • Horizontal race-distance picker — 16 distances from 60m through marathon • Elevation curve graph between your two altitudes • Multi-favorite tracks — star the venues you use most • Share button to send a conversion summary • Settings sheet with units toggle (feet or meters) • "Use current GPS altitude" option in custom altitude entry • iPad support UNDER THE HOOD • Replaced the altitude conversion model with per-distance corrections aligned with the Daniels Oxygen Power tables • Time penalty now grows with race distance and only kicks in above 2000 ft • Round-trip conversions are lossless • GPS altitude readings are validated before use FROM YOUR FEEDBACK • Whole track rows are tappable in the picker • Dark "Pick destination" CTA when no destination is selected • Cleaned-up navigation titles across all sheets Keep the bugs and feature requests coming — runcalcapps@gmail.com ### 1.0.2 — 2018-07-25 This app has been updated by Apple to display the Apple Watch app icon. Fixed a logical error which happens sometimes when entering an altitude but not entering a race time. Fixed a crash when trying to scroll through the list of university tracks when the search bar is active but there is no search text Updated app description and info button to include support email address, runcalcapps@gmail.com ### 1.0.1 — 2018-06-27 Improved search functionality, better iPhone X support, more tappable buttons, more events. ## Apps similar to Track Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Pacr - Running pace calculator](https://appshunter.io/ios/app/pacr-running-pace-calculator/id6740149358) | — | Free | Sports | | [FasterWaxer](https://appshunter.io/ios/app/fasterwaxer/id6449232858) | 5.0 (5) | Free | Sports | | [E-Sport](https://appshunter.io/ios/app/e-sport/id1569554208) | — | Free | Sports | | [Pace Running Calculator](https://appshunter.io/ios/app/pace-running-calculator/id6477882768) | — | Free | Sports | | [Bear River High School](https://appshunter.io/ios/app/bear-river-high-school/id6746167836) | — | Free | Sports | | [Portland Pilot Athletics](https://appshunter.io/ios/app/portland-pilot-athletics/id1442966352) | 2.3 (3) | Free | Sports | ## Related topics [jakob leitner](https://appshunter.io/ios/topics/jakob-leitner) --- *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 2026-10-04.*