Best 21K Half Marathon Run Coach Apps

4.8😐(1.7K ratings)

FreeIn-App Purchases

Half Marathon Trainer: 21K Run screenshot 1

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This app provides a structured 12-week training program designed to help users progress from a 10K fitness level to completing a half marathon (21K). It features an audio coach for guidance, motivational elements, and progress tracking with achievements.

What We Love

🚀 Easy to follow training plan
👍 Effective for building up to half marathon
👍 Variety of workouts (running, intervals, strength)
👍 Motivating and keeps user on track
👍 Works well with music playback

Room to Improve

🐛 Inconsistent audio prompts and notifications
🐛 Frequent issues with saving/tracking runs
🐛 Glitches and crashes
🔒 Lack of Apple Watch integration
👎 Less features and guidance compared to 5K/10K apps

21K Half Marathon Run Coach by Loyal Health & Fitness, Inc.

#1 Marathon Trainer & Tracker

Strong Contender

5.0(3 ratings)

FreeAdsIn-App Purchases

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This app provides a personalized training plan to help you achieve your half marathon goals. It tracks your runs, offers diet plans, and motivates you with progress tracking and social sharing features. Suitable for all fitness levels, it guides you from beginner to finisher.

Runna: Running Plans & Coach by Strava, Inc.

5k to Marathon Training

Worth Considering

Half Marathon 13.1 Trainer

4.8😊(36K ratings)

FreeIn-App Purchases

#15in Health & Fitness

Runna: Running Plans & Coach screenshot 1

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This app provides personalized running training plans for all levels, from beginner 5k to marathon and ultra-marathon distances. It offers holistic support including strength training, nutrition advice, and injury management, alongside a vibrant community and exclusive member perks.

What We Love

🚀 Excellent training plans
👍 Personalized and customizable
👍 Variety of workouts
👍 Seamless integration with fitness trackers
👍 Helpful audio cues during runs
👍 Detailed performance tracking
👍 Structured approach to running and strength training
👍 Responsive and supportive customer service

Room to Improve

🐛 Occasional syncing issues with Apple Watch
🐛 Inaccurate pace tracking on treadmill
🔋 Expensive subscription cost
🔒 Lack of flexibility to modify workouts

More 21K Half Marathon Run Coach apps to explore

21K Run Walk Training by C25K®

14-week run-walk training programAudio coach and alertsRun mapping

This app guides beginners through a 14-week program to train for a half marathon using a run-walk method. It offers audio coaching, progress tracking, and community support to help users complete their first 13.1-mile race.

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Half Marathon- 21K Run App

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Pace Coach: Run Pace Trainer

Voice pacing, 5K to marathon

This app helps choirs manage their activities, practice, and communication in one place. It offers features like set lists, audio files, sheet music, and a calendar. Designed for conductors, board members, and choir members, it aims to simplify choir organization and practice.

Set listsAudio file managementSheet music access

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Live GPS and heart rate trackingAI-powered voice coachingAdaptive training plans

This app provides personalized running coaching with AI-driven feedback and adaptive training plans. It tracks your live run data and offers encouragement, pace guidance, and injury management. Choose from various coach personalities and voice options for a tailored experience.

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Personalized race-based training plansDynamic plan adaptation for missed sessionsInteractive coach dialogue and explanations

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5K, 10K & Marathon Runner Plan

18-week zero to half marathon training scheduleAlternating walk/run intervals with audio cuesGPS tracking for running routes

This app provides a structured 18-week training plan to help beginners run a half marathon. It guides users through alternating walking and running intervals, tracks progress with GPS, and offers motivational features. Users can log and share their runs, and receive audio cues for when to run or walk.

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Coopah: The Run Coaching App

5K, 10K, Half & Marathon Coach

Adaptive training plansRace Day Confidence Score24/7 Expert Coaching (AI & Human)

This app provides adaptive training plans and expert coaching to help runners achieve their goals, from 5K to marathons. It offers daily direction, race readiness scores, and injury prevention exercises. Get personalized support and feedback to improve your performance.

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Runsy: AI Running Coach

AI-powered personalized training plansAdaptive scheduling for life eventsVoice-guided coaching and adjustments

An AI running coach that creates personalized training plans based on your goals and schedule. It adapts to life's disruptions, offering voice-guided adjustments and progress tracking. Integrates with Apple Health and popular wearables.

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Personalized training plansAdaptive weekly coachingWorkout structure and rationale

This app provides personalized running plans from 5K to marathon, adapting weekly based on your performance and feedback. It offers expert coaching, structured workouts with explanations, and optional watch synchronization. Missed sessions are automatically adjusted to keep your training on track.

(5)