Track Calculator: RunCalc1.4 - App Store
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Publisher Description
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/
Version History Clearer purchase options, easier time entry, improved formatting, and reliability fixes. 1.4 Oct 3 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. 1.3.0 May 2 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 1.2.0 May 1 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 1.0.2 06/28/2018 Improved search functionality, better iPhone X support, more tappable buttons, more events. 1.0.1 06/27/2018 1.0 06/21/2018
About Track Calculator: RunCalc
The company that develops Track Calculator: RunCalc is Nathan Lambson. The latest version released by its developer is 1.4.
To install Track Calculator: RunCalc on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Track Calculator: RunCalc as malware if the download link is broken.
How to install Track Calculator: RunCalc on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Track Calculator: RunCalc is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Track Calculator: RunCalc is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.4
posted on 2026-10-13
Version History Clearer purchase options, easier time entry, improved formatting, and reliability fixes. 1.4 Oct 3 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. 1.3.0 May 2 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 1.2.0 May 1 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 1.0.2 06/28/2018 Improved search functionality, better iPhone X support, more tappable buttons, more events. 1.0.1 06/27/2018 1.0 06/21/2018
version 1.4
posted on 2026-10-06
Version History Clearer purchase options, easier time entry, improved formatting, and reliability fixes. 1.4 3d ago 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. 1.3.0 May 2 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 1.2.0 May 1 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 1.0.2 06/28/2018 Improved search functionality, better iPhone X support, more tappable buttons, more events. 1.0.1 06/27/2018 1.0 06/21/2018
version 1.3.0
posted on 2026-10-02
Version History 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. 1.3.0 May 2 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 1.2.0 May 1 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 1.0.2 06/28/2018 Improved search functionality, better iPhone X support, more tappable buttons, more events. 1.0.1 06/27/2018 1.0 06/21/2018
version 1.3.0
posted on 2026-09-04
Version History 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. 1.3.0 May 2 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 1.2.0 May 1 This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
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 1.0.2 06/28/2018 Improved search functionality, better iPhone X support, more tappable buttons, more events. 1.0.1 06/27/2018 1.0 06/21/2018
version 1.3.0
posted on 2026-08-22
Version History 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. 1.3.0 May 2 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 1.2.0 May 1 This update from Apple will improve the functionality of this app. No new features are included.
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 1.0.2 06/28/2018 Improved search functionality, better iPhone X support, more tappable buttons, more events. 1.0.1 06/27/2018 1.0 06/21/2018
version 1.0.2
posted on 2018-06-28
Jun 28, 2018 Version 1.0.2
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
Disclaimer
Official App Store Link
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