AI DJ for runners
What if your music knew how you were running?
An AI DJ that reads your heart rate and pace live — then builds a mix that keeps you in flow state. Every run gets a full performance report and a shareable card.
Free · No credit card · Connect Strava to unlock your run reports
Distance
5.2km
Pace
4:29/km
Flow
74%
Energy Arc × Pace
Top Tracks
💡 Bass drop at 8:45 pushed your pace from 5:20 → 4:29/km. You held flow for 11 min 22s — your 2nd longest ever.
▶ Now playing: Flow Mix #24
Listen Now
Today's Running Mix
AI-generated. BPM-matched. Science-backed. Press play before your run.
Loading…
RunnerFlow · AI DJ
Energy Arc
—
tap play to start
What We're Building
Three steps to your most focused run.
Connect your watch, pick a mode, and the mix adapts to your body in real time.
Connect Watch
Sync heart rate, pace, and cadence from your running watch.
Pick Mode
Choose Fat Loss, PB, or Flow — each tuned to a distinct training goal.
Run with Flow
The mix evolves with your run, keeping you in the zone without thinking.
Three Modes
Train the way you want to feel.
Fat Loss
Zone 2 Control
Keeps your heart rate steady with smooth transitions and long builds.
PB
Push Pace
Drops harder, faster tracks during surges to unlock new bests.
Flow
Flow State
Adaptive tempo matching that keeps your mind quiet and legs moving.
Real Data
Science-backed flow, measured in every stride.
We're analyzing 23,000+ biometric-synced data points from real runs to map how musical events affect performance. Early results are shaping a model that knows when a drop boosts cadence and when a mellow build keeps you in the zone.
Bass drops sync with pace surges
p = 0.003
Average cadence stabilization
+12.4%
Flow-state duration increase
+18 minutes
Pricing
Start free. Upgrade when you are ready.
Free
Basic adaptive mixes
$0
- Live HR + pace syncing
- Flow mode only
- Weekly mix refresh
Most Popular
Pro
More modes, smarter drops
$9.99/mo
- All three modes
- Adaptive drop timing
- Custom energy curves
Elite
Personalized training audio
$19.99/mo
- 1:1 AI coach mix
- Race-day presets
- Priority data insights
Start Free
Ready to run with your best soundtrack?
Free · No credit card · Connect Strava to get your share card after every run.
You're on the list! 🏃♂️
We'll send your first personalized running mix to your inbox.