NXT RUN: Marathon Training

NXT RUN: Marathon Training

Adaptive Coach. Race Faster.

31 ratings
16 reviews
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • August 24, 2023
  • July 18, 2026

Features

NXT RUN: Marathon Training screenshot #1 for iPhone
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NXT RUN: Marathon Training screenshot #9 for iPhone
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About

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 plans
Real-time AI coaching and feedback
Flexible workouts that adapt to your life
Syncs with Garmin, Apple Watch & Strava
Advanced performance analytics
Earn medals and trophies for personal bests
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What's New in NXT RUN

4.7.9

July 18, 2026

• A cleaner subscription screen: compare Pro and Basic side by side • See exactly how your free trial works before you start • Switch between annual and monthly pricing with one tap • Bug fixes and performance improvements • A smoother, brighter onboarding experience

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Subscription plans

NXT RUN - 1 Month

1 Month Subscription to NXT RUN with GPT

$19.991 Month
7 Days trial
How to cancel NXT RUN subscription ⁉️

User reviews

Awesome

There are a few key features about this app that separate it from other running apps.

The first is the variety of runs it creates for each training plan. Each run has a specific purpose but even runs that appear similar, there is enough variation to keep things interesting. The runs are auto created based on your goals and syncs to your smart watch. You can view your planned runs out to your goal date ( if you have a race).

The second is modifying and customization runs if your schedule changes. You can easily drag and drop a run to another day. You can change the difficulty up or down which increases or decreases the distance/time/intervals. All of your changes seamlessly syncs to your watch. Super powerful.

The third is the AI coach. The latest version is crazy good. I have been adding more comments after my runs and not only does it analyze your most recent run but it remembers info from past runs and prompts you with additional info. It really does feel like you’re talking with a real coach - a coach that analyzes all data - HR, pace, weather, perceived effort and more.

Highly recommended. I have a super busy schedule and would never be able to develop a running plan let alone program my watch with so much detail. It’s like having a coach on your wrist.
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Garbage App

This app is absolute garbage. Every time I try to talk to Brio, I get ‘something went wrong, try again later.’ The app frequently blanks out and just shows me nothing. The training plans are disjointed and unclear and I can’t personalize it in the way that I need to. I can’t believe it costs so much. Just pay for Gemini it’s way better.
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Great app

I love this app! This has made planning my daily training so much easier and I’ve seen steady improvement since I started using Nxt Run

Won’t even open!

I had such high hopes for this app. It looked like exactly what I needed. But, it just freezes on the main opening screen. I can’t even get it to open.

Response from developer

Hi, we have not had any other users report this issue. Please contact us at support@enduranceapps.com so we can resolve this issue for you. Thanks

Pricing Structure Catastrophe

Was once a great app, but a dramatic change in pricing structure obliges me to give it a one star review. I’m happy to pay a fair price for a quality app, but the core features now cost triple what they did last year. When I renewed my annual subscription by selecting the “basic” plan (which was about the same price as last year’s subscription), I lost core features. For example, the App will no longer adjust your paces based on performance on previous runs. These core features are now folded into a “premium” subscription, which is dramatically overpriced. Other running apps provide the most valuable features of this app for a much lower price.
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Response from developer

Hi, please contact us at support@enduranceapps.com. We have a special discount for older users that we can resolve this with. Thanks

Developer apps

FAQ

What is NXT RUN's pricing structure?

NXT RUN offers a free version with in-app purchases. Subscription plans include NXT RUN Basic Month for $9.99/P1M, and other monthly options ranging from $19.99 to $24.99/P1M, with one plan offering a 7-day free trial.

How does NXT RUN adapt training plans?

NXT RUN creates personalized plans based on your chosen race distance and date, weekly mileage, training days, and recovery preferences. The plans evolve week-by-week according to your performance results and availability.

Can I use NXT RUN offline?

The provided data does not specify offline functionality. However, it emphasizes syncing with devices and platforms, suggesting an internet connection may be required for full features.

What devices and platforms does NXT RUN sync with?

NXT RUN automatically syncs completed runs for analysis and exports upcoming workouts to device calendars and watches. It connects with Strava, COROS, Garmin, and Apple Health.

What kind of feedback does the AI coach provide?

NXT RUN's AI coach offers deeper analysis and coaching insights. You can get intelligent feedback, adjust workouts on the fly, and receive real-time coaching to stay race-ready.

How often is NXT RUN updated?

The latest version is 4.1.5, last updated on April 5, 2026. This indicates a history of regular updates to improve the app's features and performance.

What is the age rating for NXT RUN?

NXT RUN has an age rating of 4+, making it suitable for a wide range of users interested in fitness and running.

What makes NXT RUN's analytics stand out?

NXT RUN provides analytics that matter, including splits, grade-adjusted pace, effort zones, and recovery metrics. You can also highlight any part of your run for a deeper breakdown.