# Half Marathon Trainer: 21K Run

> Half marathon training 13.1 mi

Canonical page: [https://chrome-stats.com/d/id521810715](https://chrome-stats.com/d/id521810715)

## Overview

- **ID:** `id521810715`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** FITNESS22 LTD
- **Category:** Health & Fitness
- **Rating:** 4.80 / 5 (1,681 ratings)
- **Version:** 8.004
- **Last updated:** 2018-09-11
- **First published:** 2012-05-16
- **Size:** 101 MB
- **Data as of:** 2026-09-20
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/half-marathon-trainer-21k-run/id521810715)
- **Website:** [http://www.fitness22.com](http://www.fitness22.com/)
- **Privacy policy:** [http://www.fitness22.com/privacy-policy](http://www.fitness22.com/privacy-policy)

## Description

The Half Marathon Trainer: 21K Run is a proven, easy-to-follow 12-week program that guides you from a 10K base to a full 21K. It features an audio coach, music integration, device-locked and background support, and a comprehensive run log with badges to celebrate progress. Stay motivated with inspirational quotes, sharing options, and a focused plan designed for beginners and seasoned runners alike.

Key capabilities include GPS distance tracking, Apple Health sync, indoor/outdoor/treadmill compatibility, and the ability to replay runs, repeat workouts, and customize audio cues. Built by pros, this trainer helps you stay on track, celebrate wins, and keep running toward your 21K goal.

## Rankings

- #43,073 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id521810715)