Sim Racing Telemetry
Every lap tells a story. Pacefinder captures it all — live telemetry streamed to your dashboard, session history automatically logged, and AI coaching that learns your driving style.
UDP telemetry for Forza Motorsport & Horizon. Runs on Mac, Windows, or Linux. Open source. No cloud required.
Primary Support
Forza Motorsport 2024
5,300UDP packets/sec
Forza Horizon 5 supported · ACC & iRacing coming Q3 2026
Preview
Live telemetry streamed to your dashboard. Track your performance, analyze every lap, and spot improvement opportunities in real time.
How it works
Point your game's Data Out at the machine running Pacefinder. That's the entire setup.
Install
Run a single Python file on any computer on your network. Mac, Windows, Linux.
Race
Pacefinder detects your session automatically and starts recording the moment you hit the track.
Analyse
Open a browser on any device. Lap times, throttle traces, tyre temps, AI coaching.
Features
Every feature in Pacefinder is designed to answer one question: where are you losing time? Whether you're hunting your personal best or coaching others, you'll find the data that matters.
LIVE
Live Dashboard
Speed, throttle, brake, rear slip — streamed to your phone or tablet at 10Hz. Prop it next to the wheel.
LOG
Session History
Every session saved. Browse by circuit. See where you're improving and where you're not.
LOCAL
Your data
Everything stays local. SQLite on your machine. Raw UDP packets on your drive. No cloud.
OSS
Open Source
MIT licensed. Read it, run it, fork it.
AI
AI Coaching
Spotter analyses your session against your own historical baseline at that circuit. Bring your own Anthropic API key.
Install
Latest release: v0.7.3. Pick the channel that matches the machine you'd like Pacefinder to run on — the dashboard ends up at http://localhost:8000 either way.
Native Mac app, installed and auto-updated via Apple's TestFlight. Invitation-only while we round out the beta.
Request Mac beta accessDrop your email and we'll send a TestFlight invite from App Store Connect by hand. You'll need the TestFlight app from the Mac App Store.
Single-file AppImage. chmod +x and run.
Multi-arch image (amd64 + arm64) on GitHub Container Registry.
docker run --rm \ -p 5300:5300/udp -p 8000:8000 \ -v "$(pwd)/data:/data" \ ghcr.io/estetika101/pacefinder:0.7.3New to Docker? Install & setup guide →
Used by the Pi systemd service and by anyone hacking on the listener. Python 3.9+, one pip dep.
git clone https://github.com/Estetika101/pacefinderapp.git cd pacefinderapp python3 -m pip install -r requirements.txt python3 listener.pyDon't have Python? Install & setup guide →
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