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)YesYesAug 2026
2Half Marathon 13.1 TrainerHalf Marathon 13.1 TrainerFree4.7★ (5.6K)YesYesAug 2026
35k Run- Couch Potato to 5K5k Run- Couch Potato to 5KFree4.4★ (361)NoYesAug 2026
4NXT RUN: Marathon TrainingNXT RUN: Marathon TrainingFree4.6★ (32)YesYesAug 2026
5MOTTIV: Run & Triathlon PlansMOTTIV: Run & Triathlon PlansFree4.9★ (68)YesYesJun 2026
65K Run - Train to 5K5K Run - Train to 5KFree4.9★ (1.4K)YesYesAug 2026
7Marathon Training: 42K RunnerMarathon Training: 42K RunnerFree4.8★ (240)NoYesAug 2026
85K to 10K5K to 10KFree4.2★ (396)NoNoAug 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😞(361 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

4
NXT RUN: Marathon Training
NXT RUN: Marathon Training
NXT RUN: Marathon Training
Adaptive Coach. Race Faster.
Free

This AI-powered running coach creates adaptive training plans for various race distances. It offers real-time coaching, workout adjustments, and syncs with popular fitness devices and platforms. Analyze your performance with detailed metrics and earn rewards for personal bests.

Personalized marathon training plansReal-time AI coaching and feedbackFlexible workouts that adapt to your life
💪 Health & Fitness
(32)
free with in-app purchases
5
MOTTIV: Run & Triathlon Plans
MOTTIV: Run & Triathlon Plans
MOTTIV: Run & Triathlon Plans
Half, Marathon, 70.3, Ironman
Free

This app provides customized training plans for running and triathlon events, from beginner to advanced levels. It offers personalized workout guidance, nutrition advice, and connects users with a community of endurance athletes.

Personalized training plansRunning and triathlon programsWorkout nutrition advice
💪 Health & Fitness
(68)
free with in-app purchases
6
5K Run - Train to 5K
5K Run - Train to 5K
5K Run - Train to 5K
Don't overpay for a 5K program
Free

This application offers a free 10-week training program to help users start running and achieve a 5K distance. It includes GPS tracking for runs and provides voice guidance for intervals.

Free 10-week running programGPS run trackingVoice instructions
💪 Health & Fitness
(1.4K)
free with in-app purchases
7
Marathon Training: 42K Runner
Marathon Training: 42K Runner
Marathon Training: 42K Runner
Marathon trainer: run 26.2 mi
Free

This app provides a structured 18-week training program to help users prepare for their first marathon. It offers audio coaching for walk/run intervals, music integration, and motivational features like badges and progress sharing. The program gradually increases running distance from 21K to 42K.

18-week marathon training programAudio coach for walk/run intervalsMusic integration with other apps
💪 Health & Fitness
(240)
free with in-app purchases
8
5K to 10K
5K to 10K
5K to 10K
by Active Network, LLC
Free

This app helps you progress from a 5K to a 10K race over nine weeks with virtual coaches and audio guidance. It tracks your distance, pace, and routes using GPS, and allows you to listen to music during workouts.

9-week 10K training plan3 virtual coach optionsReal-human audio cues
💪 Health & Fitness
(396)
free
9
10K Runner, Couch to 10K Run
10K Runner, Couch to 10K Run
10K Runner, Couch to 10K Run
10K Trainer: 0 to 5K to 10K
Free

This app guides beginners and 5K runners from zero to 10K in 14 weeks using alternating walk/run intervals. It features a human coach voice, music integration, and GPS tracking. Achieve your running goals with this effective, ad-free program.

Walk/run interval trainingGradually increasing run segmentsHuman coach voice guidance
💪 Health & Fitness
(39K)
subscription
10
Marathon Runner: M,HM,10K,5K
Marathon Runner: M,HM,10K,5K
Marathon Runner: M,HM,10K,5K
Running training & GPS tracker
Free

This running trainer creates customized plans for marathons, half-marathons, 5Ks, and 10Ks based on Olympic training methods. It offers real-time GPS tracking, automatic pauses, and interval training. Premium features include dynamic plan adjustments and voice coaching.

Customized race training plans (M, HM, 10K, 5K)Real-time GPS route trackingAutomatic pause functionality
💪 Health & Fitness
(48)
free with in-app purchases
11
10K Trainer by C25K®
10K Trainer by C25K®
10K Trainer by C25K®
Run C210K Couch to 10K
Free

This app guides beginners from sedentary to running a 10K in 14 weeks with a structured walk/run program. It features an audio coach, progress tracking, and community support. Ideal for those new to running or graduating from a 5K program.

14-week walk/run training planAudio coach guidanceProgress tracking
💪 Health & Fitness
(22K)
free with in-app purchases
12
Nike Run Club: Running Coach
Nike Run Club: Running Coach
Nike Run Club: Running Coach
Workout App & Distance Tracker
Free

This app offers guided runs, training plans, and community challenges to help users start, continue, and enjoy running. It tracks speed, distance, and GPS routes, providing motivation and expert guidance for various fitness levels and goals.

Guided Runs with audio coachingPersonalized Training PlansGPS tracking for speed, distance, and route
💪 Health & Fitness
(416K)
free with in-app purchases
13
21K Half Marathon Run Coach
21K Half Marathon Run Coach
21K Half Marathon Run Coach
#1 Marathon Trainer & Tracker
Free

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.

Customized running plansGPS distance and speed trackingStep-by-step voice guidance
💪 Health & Fitness
(3)
free with in-app purchases
14
The Marathon Project
The Marathon Project
The Marathon Project
AS FAST AS POSSIBLE
Free
⚽ Sports
(0)
15
Fox Cities Marathon
Fox Cities Marathon
Fox Cities Marathon
Weekend of Events
Free
⚽ Sports
(0)
16
Half Marathon- 21K Run App
Half Marathon- 21K Run App
Half Marathon- 21K Run App
Couch to half marathon- 21K
Free

Train for your first 21K run with a comprehensive 12-week program. This app offers audio coaching, interval planning, and motivational tips to build strength and endurance. Track your progress, earn badges, and share achievements with friends.

12-week running programAudio coach guidanceRun/walk strategy
💪 Health & Fitness
(254)
free with in-app purchases
17
Just Run: Zero to 5K (+10K)
Just Run: Zero to 5K (+10K)
Just Run: Zero to 5K (+10K)
Run 5K in 9 weeks, from zero!
Free

This app guides you from a beginner runner to completing a 5K in 9 weeks with a structured workout plan. It also offers a 6-week plan to progress from 5K to 10K. Enjoy ad-free workouts with customizable trainer voices and background operation.

Zero to 5K training plan5K to 10K training planCustomizable trainer voices
💪 Health & Fitness
(1.2K)
free with in-app purchases
18
Couch to 5k Running Program
Couch to 5k Running Program
Couch to 5k Running Program
Running Program for Beginners
Free

This program guides beginners through a 9-week plan to run a 5K. It offers audio coaching, progress tracking, and flexible scheduling, requiring no prior experience.

9-week structured running planAudio coaching for guidanceProgress tracking and history
💪 Health & Fitness
(5)
free
19
5K Training Plan
5K Training Plan
5K Training Plan
8 week 5K Training Plan
Free

This 8-week program guides beginner runners from inactivity to completing a 5K race. It's designed to be effective for most users, helping them achieve their running goals.

8-week training scheduleBeginner-focusedCouch to 5K progression
💪 Health & Fitness
(1)
ad-supported
20
5K Runmeter Run Walk Training
5K Runmeter Run Walk Training
5K Runmeter Run Walk Training
5K, 10K, Half & Marathon Plans
Free

This app is a comprehensive fitness computer for your mobile device, offering detailed tracking, customizable training plans, and performance analysis for various activities. It provides maps, graphs, splits, and interval training to help you achieve your fitness goals.

Workout recording and analysisCustomizable training plansInterval and zone training
💪 Health & Fitness
(110)
free with in-app purchases

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.