# Running Toolbox: MAS, VDOT

> Tools for runners: play with speed, distance, time, MAS, VDOT, VO2max, records

Canonical page: [https://chrome-stats.com/d/com.halstar.running.toolbox](https://chrome-stats.com/d/com.halstar.running.toolbox)

## Overview

- **ID:** `com.halstar.running.toolbox`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** HalStar
- **Category:** SPORTS
- **Downloads:** 1,215
- **Version:** 1.5.0
- **Last updated:** 2024-07-28
- **First published:** 2023-04-03
- **Publisher country:** FR
- **Size:** 18 MB
- **Data as of:** 2026-09-16
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.halstar.running.toolbox)
- **Website:** [https://www.youtube.com/@halstar](https://www.youtube.com/@halstar)
- **Privacy policy:** [https://sites.google.com/view/running-toolbox-privacy-policy](https://sites.google.com/view/running-toolbox-privacy-policy)

## Description

A set of tools to calculate target distance/duration/pace:<br><br>* Select a duration and a speed =&gt; distance calculation,<br>* Select a distance and a speed =&gt; duration calculation,<br>* Select a duration and a distance =&gt; speed calculation,<br>* Display/edit your paces in km/h, mph or min:sec/km, min:sec/mile.<br><br>For your split sessions, or for your racing goals:<br><br>* Select a distance: 100m, 200m, ..., 1km, 5km, ..., half marathon, etc.,<br>* Find out related work time or race goal, based on a percentage of your MAS: 90%, 100%, 110%, etc.<br><br>Input or discover your VDOT / VO2max score:<br><br>* Discover recommended training speeds relating to your VDOT / VO2max,<br>* Input your performance for a past race and estimate your performance for an upcoming race, of a different distance,<br><br>Store your most useful data in your favorites:<br><br>* Order your favorites as you wish,<br>* Delete or modify previously saved favorites,<br><br>Check out the running world records:<br><br>* Men/Women,<br>* Indoor/Outdoor,<br>* Who? When? Where?<br>* Store records in your favorites, <br><br>More features to come!... ^_^

## Rankings

- #1,099,457 — Overall

## Permissions and access

### Permissions

- `com.halstar.running.toolbox.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.halstar.running.toolbox)