Now in Beta · iOS & Apple Watch

Your coach reads
your body. Every day.

BetterRunning is an AI running coach powered by your Apple Watch data. It builds your training plan from scratch — and adjusts it each morning based on how you actually slept, recovered, and feel.

Join the Beta See how it works
BetterRunning today screen BetterRunning readiness dashboard BetterRunning Apple Watch complication
Apple Watch native
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Apple Health
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Powered by Claude AI
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All data stays on device
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Free during beta

Not a template.
A real plan for you.

Most running apps hand you a cookie-cutter schedule. BetterRunning reads your HealthKit history, understands your fitness level, and generates a plan that evolves with every run you complete.

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AI that knows your history
Your last 10 runs, your weekly volume, your pace zones — the AI reads it all before writing a single session. No questionnaires. No guessing.
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Adapts every morning
Woke up poorly? HRV dropped overnight? Your coach notices. Today's session gets easier before you even lace up.
Runs on your wrist
Start workouts from Apple Watch. Real-time pace, HR, interval phase tracking, and haptic cues — no phone needed on the trail.
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Learns from your runs
After each session, BetterRunning recalibrates your pace zones using actual data, not formulas. The longer you train, the sharper it gets.
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Post-run feedback
"You ran 5:12/km vs the 5:30 target — solid pace on a 7.4h sleep night." Specific, honest, useful feedback on every single run.
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Built around your goal
Training for a 5K next month or a marathon next spring? BetterRunning builds the right plan — right peak volume, right periodization, right taper.
Daily Readiness

Your body has a say
in today's plan.

Every morning, BetterRunning reads your HRV, sleep quality, and training load from Apple Health. It calculates a personal readiness score — then adjusts your session accordingly.

Low HRV after a hard week? Your interval session becomes an easy Zone 2 run. Slept 8 hours and your HRV is trending up? Your coach pushes you harder.

  • HRV scored against your personal 60-day baseline
  • Sleep depth tracked — not just hours
  • Readiness thresholds personalize after 14 days
  • Multi-day fatigue patterns detected automatically
BetterRunning daily readiness screen
AI Training Plans

A real periodized plan.
Not a spreadsheet.

Tell BetterRunning your goal. It reads your recent run history, assesses feasibility, proposes a timeline — and generates a complete multi-week plan with proper phases, progressive loading, and a taper.

Every session has a type, a heart rate zone, a target pace, and a coaching note. Interval sessions include the full rep structure.

  • Base → Build → Peak → Taper periodization
  • Volume increases max 10%/week — never too fast
  • Recovery weeks built in every 3–4 weeks
  • Your scheduling preferences respected as hard rules
BetterRunning training plan
Apple Watch App

Leave your phone
at home.

Your readiness score and today's session sync to your wrist before you walk out the door. Start the workout, track your intervals, get haptic cues on every phase change.

When you finish, BetterRunning pulls your run from Apple Health and marks it done automatically — no tapping required.

  • Live pace, heart rate, and distance on your wrist
  • Interval phase tracking with automatic progression
  • Haptic feedback on warm-up, reps, and cool-down
  • Watch face complications for readiness & next run
  • Auto-detects completed runs from HealthKit
BetterRunning Apple Watch complication

From first 5K to
your next marathon.

BetterRunning builds plans for every distance and every pace. Tell it your goal — it'll tell you if you can make it, and build you a plan to get there.

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5K
8–12 weeks
10K
10–16 weeks
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Half Marathon
12–20 weeks
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Full Marathon
16–24 weeks
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General Fitness
8–12 weeks

Check in.
Then run.

Every morning your coach updates — on your sofa, in your hallway, or out on the trail. A 30-second glance is all it takes.

Runner checking BetterRunning before heading out Runner checking readiness in the city Runner training along a fjord Two runners reviewing the app together Runner training in the city Runner reviewing training plan at home

Your biometrics
never leave your phone.

BetterRunning processes your health data entirely on-device. The AI receives aggregated numbers — a readiness score, a sleep total — never your raw health records, location, or identity.

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On-device processing
Readiness calculations happen locally using Apple HealthKit. Raw biometric data never leaves your iPhone.
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No identifiers sent to AI
The AI receives no name, Apple ID, device ID, or location. Only numbers: a score, hours of sleep, a pace.
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Zero third-party SDKs
No analytics, no crash reporters, no advertising frameworks. The only external call is to the Anthropic AI API.
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Delete = gone
There are no servers. Every plan, every coaching record, every run lives on your device. Delete the app, it's all gone.

Be first on the start line.

BetterRunning is in external beta. Join the waitlist — we'll reach out with TestFlight access as spots open up.