Coach OS is the open-source AI coaching platform for runners and athletes. Voice-log workouts, sync every wearable, and get real coaching — all running locally on your device.
$ voice-log "Easy 10k, felt strong"
✓ Logged: Easy Run · 10.0 km · RPE 4
$ coach analyze --week
Weekly Summary
Volume: 47 km (+12% vs last week)
Suggestion: Add a tempo session Thursday.
Recovery score: 82/100 — good to push.
11
AI Coaching Agents
5+
Wearable Platforms
100%
Local & Private
Open
Source, Forever
Every feature exists because the alternatives got it wrong. Here's what makes Coach OS the coaching platform runners actually trust.
Your health data stays on your device. No cloud sync required, no tracking, no data mining. Core features work fully offline.
Say ‘easy 10k, legs felt heavy’ and Coach OS structures it automatically. Pace, distance, RPE, notes — all captured from natural speech.
From pacing strategy to recovery optimization, specialized agents provide protocol-driven coaching. Like having a full coaching staff in your pocket.
Apple Watch, Garmin, Whoop, Oura, Polar — Coach OS pulls your data together so you see the full picture. No more app-switching.
Race Pacer delivers real-time splits via Bluetooth audio. Stay on target without looking at your wrist.