Half Marathon Trainer Downloads & RevenueHalf Marathon Trainer: 21K Run · App Store
Not in any tracked top chart right now.
Updated 7 Nov 2026 · rankings refresh through the day
DeveloperFITNESS22 LTD
CategoryHealth & Fitness
PriceFree
Released
Rating★ 4.8 (1.7k)
Version8.004
Age rating4+
First seen by us
22 Oct 2026
Half Marathon Trainer: 21K Run update history & changes
Last change · 3 events since 16 May 2012Full timeline ↓Full timeline · 2 events in the last 12 months
- 🆕Half Marathon Trainer: 21K Run first spotted by AppInsiderUnited States (found via search)
- 🆕Half Marathon Trainer: 21K Run released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.8 ★
1.7k ratings
Measured
Half Marathon Trainer: 21K Run on the App Store
App details
App ID
521810715
Publisher
FITNESS22 LTD
On the store since
May 2012
14 years on the store
Minimum OS
iOS 9.0+
iPhone 4s and later
Devices
iPhone · iPad · Watch
Universal purchase
Content rating
4+
Languages
32
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Size
105 MB
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.8 ★
1.7k ratings
Measured
Ratings
1.7k
Measured
About Half Marathon Trainer: 21K Run
The Ultimate 1/2 Marathon training app: 21K Runner is the easiest and most successful program for training for your first 21K. 21K Runner improves your fitness with an awesome training program. You start with a 10K fitness level, and the running gradually increases to a full 21K. Just plug in your headphones, play your favorites music, and the app will guide you.
Motivation is the key factor in long distance running, and 21K Runner keeps you motivated - it's the true magic of this app, and it's built into every screen. The running plan is achievable and enjoyable, the app keeps a log of your runs & achievements and awards you with badges, and you can also share your progress with your friends on Facebook, Twitter, or by mail. It even includes the motivational quotes to keep your spirit in tune with your body.
This app keeps people running. Built by pros and with proven success, this is the ULTIMATE half marathon training app.
----- FEATURE LIST -----
12 WEEK RUNNING PROGRAM
● from 10K to 21K
● alternating walks and runs
● starts easy and slowly increases the runs
● audio coach tells you when to walk / run
● works with the screen locked (dark)
● repeat workouts whenever you want
● audio Coach can be voice, beeps, or both
● continue 21K running forever
MUSIC / INDOOR-OUTDOOR
● listen to your music during exercises
● audio coach gently blends in when needed
● on-screen controls for Apple music app
● great with all music apps
● works outdoors / indoors / treadmill
GPS & APPLE HEALTH
● Built in GPS & Distance Tracking, also when app is in background
● Integrated with Apple Health for Calorie calculation & saving workouts
WINS / ACHIEVEMENTS
● each completed run is a Win
● receive Badges for your progress
● app tracks & logs each time you do a new run
● wins screen shows your history & Badges
● share Wins / Badges with your friends on Facebook, Twitter, email
AND THERE'S MORE
● guidance & information for beginners.
● extensive answers to all common questions.
● links to stretching & warmup videos.
● works outdoors / indoors / treadmill
● works perfectly even if your device is locked
● works perfectly also in background
● male & female audio coaches
● flips upside down to fit any armband
● and there is more...
====== NEWS COVERAGE & REVIEWS ======
Our apps have been featured on
CNN, Fox, USA Today, Times, Fitness Channel, AppAdvice, AppCraver, Best10Apps, Appolicious, AppOfTheDay, Apple's "New & Noteworthy" MakeUseOf, the iPhone App Review, Remix Your Health, AppShopper, Daily Motion, and so many others…
"If you thought that you could never run - get ready for a BIG surprise. With this app - you will run"
"Its a great App, I was hooked by the second run, and it kept me running"
"One of the best iPhone running apps I’ve tested."
"This application is a must-have fitness trainer for anyone trying to catch the running bug or getting ready for a major running event"
● Privacy Policy & Terms Of Use:
https://www.fitness22.com/privacy-po
Motivation is the key factor in long distance running, and 21K Runner keeps you motivated - it's the true magic of this app, and it's built into every screen. The running plan is achievable and enjoyable, the app keeps a log of your runs & achievements and awards you with badges, and you can also share your progress with your friends on Facebook, Twitter, or by mail. It even includes the motivational quotes to keep your spirit in tune with your body.
This app keeps people running. Built by pros and with proven success, this is the ULTIMATE half marathon training app.
----- FEATURE LIST -----
12 WEEK RUNNING PROGRAM
● from 10K to 21K
● alternating walks and runs
● starts easy and slowly increases the runs
● audio coach tells you when to walk / run
● works with the screen locked (dark)
● repeat workouts whenever you want
● audio Coach can be voice, beeps, or both
● continue 21K running forever
MUSIC / INDOOR-OUTDOOR
● listen to your music during exercises
● audio coach gently blends in when needed
● on-screen controls for Apple music app
● great with all music apps
● works outdoors / indoors / treadmill
GPS & APPLE HEALTH
● Built in GPS & Distance Tracking, also when app is in background
● Integrated with Apple Health for Calorie calculation & saving workouts
WINS / ACHIEVEMENTS
● each completed run is a Win
● receive Badges for your progress
● app tracks & logs each time you do a new run
● wins screen shows your history & Badges
● share Wins / Badges with your friends on Facebook, Twitter, email
AND THERE'S MORE
● guidance & information for beginners.
● extensive answers to all common questions.
● links to stretching & warmup videos.
● works outdoors / indoors / treadmill
● works perfectly even if your device is locked
● works perfectly also in background
● male & female audio coaches
● flips upside down to fit any armband
● and there is more...
====== NEWS COVERAGE & REVIEWS ======
Our apps have been featured on
CNN, Fox, USA Today, Times, Fitness Channel, AppAdvice, AppCraver, Best10Apps, Appolicious, AppOfTheDay, Apple's "New & Noteworthy" MakeUseOf, the iPhone App Review, Remix Your Health, AppShopper, Daily Motion, and so many others…
"If you thought that you could never run - get ready for a BIG surprise. With this app - you will run"
"Its a great App, I was hooked by the second run, and it kept me running"
"One of the best iPhone running apps I’ve tested."
"This application is a must-have fitness trainer for anyone trying to catch the running bug or getting ready for a major running event"
● Privacy Policy & Terms Of Use:
https://www.fitness22.com/privacy-po
Latest updates
8.004
Various updates