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Best Half Marathon Training App For Beginners

250+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated October 2026

The best half marathon training app for beginners on iPhone average 4.7★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Half Marathon Training App For Beginners (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Half Marathon 13.1 TrainerHalf Marathon 13.1 TrainerFree4.7★ (5.6K)YesYesOct 2026
2Half Marathon Trainer: 21K RunHalf Marathon Trainer: 21K RunFree4.8★ (1.7K)NoYesOct 2026
3Runna: Running Plans & CoachRunna: Running Plans & CoachFree4.8★ (35K)NoYesOct 2026
4Half Marathon- 21K Run AppHalf Marathon- 21K Run AppFree4.2★ (254)NoYesOct 2026
5Running Writings LabRunning Writings Lab$9.995.0★ (1)NoNoOct 2026
6RytmeRytmeFree—NoNoOct 2026
7RunFast TrainingRunFast TrainingFree—NoNoOct 2026
8Bonk TrainingBonk TrainingFree—NoYesAug 2026

Top Picks for Half Marathon Training App For Beginners

Half Marathon 13.1 Trainer#1

Half Marathon 13.1 Trainer by Zen Labs

21K Run Walk Training by C25K®
Editor's Choice
💪 Health & Fitness
4.7😊(5.6K ratings)
FreeAdsIn-App Purchases
Half Marathon 13.1 Trainer screenshot 1
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Half Marathon 13.1 Trainer screenshot 6

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.

What We Love

  • 👍 Easy to use
  • 👍 Helpful for beginners
  • 👍 Great for training and motivation
  • 👍 Integrates well with Apple Watch and Fitness
  • 👍 Customizable music playback

Room to Improve

  • 🐛 Occasional syncing and tracking issues
  • 🔋 Drains battery life
  • 💰 Subscription model change frustrates some users
  • 💰 Paid app now requires subscription for full access
Half Marathon Trainer: 21K Run#2

Half Marathon Trainer: 21K Run by FITNESS22 LTD

Half marathon training 13.1 mi
Strong Contender
💪 Health & Fitness
4.8😐(1.7K ratings)
FreeIn-App Purchases
Half Marathon Trainer: 21K Run screenshot 1
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Half Marathon Trainer: 21K Run screenshot 3
Half Marathon Trainer: 21K Run screenshot 4
Half Marathon Trainer: 21K Run screenshot 5

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
Runna: Running Plans & Coach#3

Runna: Running Plans & Coach by Strava, Inc.

5k to Marathon Training
Worth Considering
💪 Health & Fitness
4.8😊(35K ratings)
FreeIn-App Purchases
#19in Health & Fitness
Runna: Running Plans & Coach screenshot 1
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Runna: Running Plans & Coach screenshot 6

This app offers personalized running training plans for all levels, from beginner 5k to marathon and ultra-marathon distances. It includes strength training, nutrition advice, and community support, with seamless integration for tracking your runs.

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 Half Marathon Training App For Beginners apps to explore

FAQ about Half Marathon Training App For Beginners

What is the best half marathon training app for beginners for iPhone?
Half Marathon 13.1 Trainer tops our half marathon training app for beginners ranking as of October 2026, with a 4.7-star average from 5.6K App Store ratings, and it's free to download.
Yes — 19 of the top half marathon training app for beginners we rank are free to download, including Half Marathon 13.1 Trainer and Half Marathon Trainer: 21K Run.
Half Marathon 13.1 Trainer shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ half marathon training app for beginners on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.