AI running coach

Your AI running coach, in your pocket.

Flux Run is an AI running coach app for beginners and improving runners, on iPhone, Apple Watch and Android. It builds a weekly training plan for your goal (first 5K to marathon), talks you through every run, and adapts the plan after each run.

Free to download. New accounts get a 7-day free AI coach trial.

Today's AI session: a 5 mile tempo run at 8:22 per mile, with a coach's note
Flux Run home screen showing total distance, average pace, a 5-day streak and weekly progress
  • iPhone & Android
  • 39 languages
  • Kilometres or miles
  • Apple Health & Health Connect
  • Try it as a guest first
AI Coach

A training plan that adapts to every run.

Tell Flux Run what you're aiming for. It plans every session, explains why, and adjusts as you go, like a real coach would.

AI Training Coach card with a pace goal, today's tempo run and a coach's note
Built around you

Set a goal your way. Get a plan that's actually yours.

Your plan is built from your real run history, not a generic template.

  • Your goal, your way. A target pace over a distance (like 5:00/km for 10K), or a distance to reach: 5K, 10K, half or full marathon, plus a timeframe.
  • Goal check. Find out whether your goal is realistic for your timeframe before you commit.
  • Varied sessions. Easy runs, tempo runs, long runs and recovery runs, mixed the way a real coach would plan them.
  • Coach's note. Every session tells you why it's on your plan today.

Coach's noteA faster session to build speed toward your goal. Your training load is in the sweet spot. Keep the steady progress going.

Today's AI Plan before a run: target distance and pace, with GPS ready
Always adjusting

It listens to how you feel, and looks out for your legs.

Your next session reacts to what actually happened on this one.

  • Adapts to how you feel. Tap Felt good, Neither or Felt bad after a run, and your next session adjusts.
  • Injury-aware. Flux Run watches your training load and pulls you back before you overdo it.
  • Recovery weeks and tapering. Lighter weeks are built in, with a taper before your goal date so you arrive fresh.
  • Live pace guidance. On AI-guided runs, vibration alerts tell you when you're running too fast or too slow.
A 6 mile run with its route map, pace, speeds, elevation and mile splits
Run tracking

Every run, recorded properly.

Distance, pace, time and route, with the detail you want afterwards.

  • Accurate GPS for distance, pace, time and route, with a signal indicator before you start.
  • Elevation gain and descent using your phone's barometer.
  • Splits per kilometre or mile.
  • Auto-pause and auto-resume when you stop and start moving.
  • Keeps recording with the screen locked or while you use other apps.
  • Crash recovery. If the app closes mid-run, your run is saved.
Weekly progress chart and active weekly and monthly challenges
Progress & motivation

See how far you've come. Keep the streak alive.

Clear progress at a glance, and plenty of reasons to get out the door.

  • Weekly progress: this week against last week, at a glance.
  • Run history in list and calendar views, with a pace trend chart.
  • Predicted race times for 5K, 10K, half marathon and marathon.
  • Achievements and a monthly recap, from your first 10K to 100 km total or a 7-day streak.
  • Streaks, challenges and leaderboards. Weekly and monthly challenges with their own leaderboards, plus a community leaderboard for your best runs.
  • Share cards to post a run and its map to social media, and smart reminders that skip the nudge if you've already run.
Everything else

The details, handled.

Apple Health & Health Connect

Your runs are saved as workouts automatically.

39 languages, km or miles

Use Flux Run in your language and your units.

Sign in your way

Apple, Google or email, or try it as a guest first.

Export to CSV

Take all your runs with you (Pro).

Your data, your control

Delete your account and data from the app at any time.

iPhone and Android

Available on the App Store and Google Play.

Plans

Start free. Add the coach when you're ready.

Free

Everything you need to track and stay motivated.

  • Run tracking and history
  • Streaks
  • Challenges and leaderboards

Basic

Adds the AI coach.

  • Everything in Free
  • The AI running coach

New accounts get a 7-day free AI coach trial. See current prices in the app.

FAQ

Questions, answered.

Is Flux Run free?

Yes. Run tracking, history, streaks, challenges and leaderboards are free. The AI coach is part of Basic and Pro, and new accounts can try it free for 7 days.

How does the AI coach build my plan?

It starts from your real run history and the goal you set, either a target pace over a distance or a distance to reach, plus a timeframe. After every run it looks at your training load and how you felt, then plans your next session: easy, tempo, long or recovery.

What if my goal is too ambitious?

Goal check tells you whether your goal is realistic for the timeframe you picked, so you can adjust it before you start.

Do I need to create an account?

No. You can try Flux Run as a guest first, then sign in with Apple, Google or email whenever you like.

Does it work with Apple Health or Health Connect?

Yes. Your runs are saved to Apple Health or Health Connect as workouts automatically.

What happens if the app closes during a run?

Your run is saved. Flux Run also keeps recording with your screen locked or while you use other apps.

How do I delete my data?

You can delete your account and all your data from within the app at any time. See how to delete your account.

Run smarter, starting today.

Every session planned, every run tracked. Free on iPhone and Android.

Flux Run

Flux Run

AI running coach that plans, talks and adapts to you

Check it out on Product Hunt →