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Half Marathon Trainer: 21K Run

Half Marathon Trainer: 21K Run

By FITNESS22

Half Marathon Trainer: 21K Run is a fitness application designed to guide users from a 10K fitness level to completing a 21K half marathon. The app utilizes a structured 12-week training program, audio-guided runs, and motivational tools to assist users in their long-distance running goals.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Beginner to intermediate runners looking for a structured, guided program to transition from 10K to 21K distances.

What does it look like?

Key features

12-Week Running Programstandard

A progressive training plan designed to gradually increase running distance to a full 21K.

Audio Guidancestandard

Provides real-time coaching and instructions through headphones while users listen to their own music.

Progress Tracking and Badgesstandard

Logs completed runs and awards digital badges to maintain user motivation.

Social Sharingstandard

Allows users to share their training progress and achievements via Facebook, Twitter, or email.

Motivational Contentstandard

Integrates motivational quotes throughout the interface to encourage consistency in training.

How much does it cost?

free

Velocity

See all version history

Who built it?

FITNESS22

13+ apps tracked · Health & Fitness

Gymverse: AI Gym Workout PlansGymverse: AI Gym Workout PlansPacer 5K: run faster racesPacer 5K: run faster racesSuperNote Notes Recorder+PhotoSuperNote Notes Recorder+Photo5K Runner: couch potato to 5K5K Runner: couch potato to 5KRunning Trainer: Tracker&CoachRunning Trainer: Tracker&CoachSuperNote Notes Recorder&PhotoSuperNote Notes Recorder&PhotoPassword Manager: PassiblePassword Manager: Passible10K Runner, Couch to 10K Run10K Runner, Couch to 10K RunYoga for Weight Loss & moreYoga for Weight Loss & morePush ups: 100 pushups trainerPush ups: 100 pushups trainerAbs workout: 200 sit upsAbs workout: 200 sit upsPush ups: 100 pushups proPush ups: 100 pushups pro
Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.80 · 2k

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Half Marathon Trainer: 21K Run

How's the Health & Fitness market?

The rivals identified

The Analyst's Read

Key takeaways for Half Marathon Trainer: 21K Run

Where is it heading?

Bottom line

While the app offers a structured 12-week training plan, user feedback highlights potential technical limitations regarding workout logging and a lack of parity with the developer's other fitness apps.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Half Marathon Trainer: 21K Run, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Half Marathon Trainer: 21K Run Intelligence Report.” Updated Apr 17, 2026. https://marlvel.ai/apps/half-marathon-trainer-21k-run

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