Best 5K Marathons Apps

242+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

Out of 242+ 5k marathons apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top 5K Marathons Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Marathon 26.2 Trainer by C25K®Marathon 26.2 Trainer by C25K®Free4.7★ (1.7K)YesYesSep 2026
2Half Marathon 13.1 TrainerHalf Marathon 13.1 TrainerFree4.7★ (5.6K)YesYesSep 2026
35k Run- Couch Potato to 5K5k Run- Couch Potato to 5KFree4.4★ (360)NoYesSep 2026
4NXT RUN: Marathon TrainingNXT RUN: Marathon TrainingFree4.5★ (34)YesYesSep 2026
5MOTTIV: Run & Triathlon PlansMOTTIV: Run & Triathlon PlansFree4.8★ (70)NoYesAug 2026
65K Run - Train to 5K5K Run - Train to 5KFree4.9★ (1.4K)YesYesSep 2026
7Marathon Training: 42K RunnerMarathon Training: 42K RunnerFree4.8★ (240)NoYesSep 2026
85K to 10K5K to 10KFree4.2★ (400)NoNoSep 2026

Top Picks for 5K Marathons

Marathon 26.2 Trainer by C25K®#1

Marathon 26.2 Trainer by C25K® by Zen Labs

42K Run Walk Training
Editor's Choice
💪 Health & Fitness
4.7😐(1.7K ratings)
FreeAdsIn-App Purchases
Marathon 26.2 Trainer by C25K® screenshot 1
Marathon 26.2 Trainer by C25K® screenshot 2
Marathon 26.2 Trainer by C25K® screenshot 3
Marathon 26.2 Trainer by C25K® screenshot 4
Marathon 26.2 Trainer by C25K® screenshot 5
Marathon 26.2 Trainer by C25K® screenshot 6

This app offers a 20-week training program designed for beginners aiming to complete a marathon. It utilizes a run-walk method to reduce impact and injury risk, guided by an audio coach. Features include run mapping, health app integration, and community forums.

What We Love

  • 🚀 Great progression & motivation
  • 👍 Easy and fun to use
  • 👍 Helpful for first-time marathoners
  • 👍 Keeps user accountable and motivated

Room to Improve

  • 🐛 Crashes, freezes, and malfunctions
  • 💰 Subscription model changes after initial purchase
  • 💰 Requires additional purchases for full functionality
Half Marathon 13.1 Trainer#2

Half Marathon 13.1 Trainer by Zen Labs

21K Run Walk Training by C25K®
Strong Contender
💪 Health & Fitness
4.7😊(5.6K ratings)
FreeAdsIn-App Purchases
Half Marathon 13.1 Trainer screenshot 1
Half Marathon 13.1 Trainer screenshot 2
Half Marathon 13.1 Trainer screenshot 3
Half Marathon 13.1 Trainer screenshot 4
Half Marathon 13.1 Trainer screenshot 5
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

Room to Improve

  • 🐛 Occasional syncing and tracking issues
  • 🔋 Drains battery life
  • 💰 Subscription model change frustrates some users
5k Run- Couch Potato to 5K#3

5k Run- Couch Potato to 5K by Rumble

Run 5k Races- Run trainer
Worth Considering
💪 Health & Fitness
4.4😞(360 ratings)
FreeIn-App Purchases
5k Run- Couch Potato to 5K screenshot 1
5k Run- Couch Potato to 5K screenshot 2
5k Run- Couch Potato to 5K screenshot 3
5k Run- Couch Potato to 5K screenshot 4
5k Run- Couch Potato to 5K screenshot 5
5k Run- Couch Potato to 5K screenshot 6

This app provides a structured 9-week training plan to help beginners run a 5k race. It offers guidance from virtual coaches, voice tips, progress tracking, and an integrated music player. Achieve your running goals with expert-designed workouts.

What We Love

  • 👍 Easy to use for beginners
  • 👍 Good motivator
  • 👍 Great for starting running
  • 👍 Provides quality learning material

Room to Improve

  • 💰 Rip off, paywall after 1 week
  • 💰 Subscription required to advance
  • 💰 Not worth the money

More 5K Marathons apps to explore

FAQ about 5K Marathons

What are the best 5k marathons apps for iPhone?
Marathon 26.2 Trainer by C25K® tops our 5k marathons apps ranking as of August 2026, with a 4.7-star average from 1.7K App Store ratings, and it's free to download.
Yes — 20 of the top 5k marathons apps we rank are free to download, including Marathon 26.2 Trainer by C25K® and Half Marathon 13.1 Trainer.
Marathon 26.2 Trainer by C25K® shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 242+ 5k marathons apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Marathon 26.2 Trainer by C25K® is an official marathon training app designed for beginners. It provides a 20-week program that uses a blend of running and power walking to help users complete a full 26.2 (42k) marathon.
Key features include a proven 20-week run-walk training program (with a free first week), a convenient audio coach and alerts, the ability to map your run, light and dark modes, health app integration, and access to community forums with other runners.