A lightweight sim racing telemetry overlay. Displays pedal inputs, steering angle, gear, and speed in real time as a transparent overlay on top of your game.
A demo of SimTrace in action showing the (toggleable) braking x steering phase plot on the left and brake/throttle traces on the right.
- Pedal trace graph — scrolling throttle, brake, and clutch history
- Pedal bars — live clutch, brake, and throttle with ABS indication
- Steering wheel — visual angle indicator with gear and speed readout
- Transparent overlay — drag to position, drag the corner to resize
- Configurable — opacity, speed unit, colours, and trace window length
- Trail braking help — Useful utilities to help with trail braking
- Brake trace colouring - Configurable colouring showing braking and ABS activation during cornering
- Braking x steering phase plot - Live indicator to monitor corner entry/exit in real time
| Game | Notes |
|---|---|
| Assetto Corsa Competizione | |
| Automobilista 2 | Enable shared memory |
Download the latest .exe from the Releases page. No installer required — just run it.
- Start SimTrace before or after launching your game.
- Select your game from the ⚙ config panel (top-right of the overlay).
- Drag the title bar to reposition; drag the bottom-right corner to resize.
- Click Save to persist your settings between sessions.
The overlay fades out when your cursor leaves it and reappears on hover.
Enable shared memory: (from the main menu) Options (top right) > System > Shared Memory and setting it to Project CARS 2
Requires Rust (stable).
cargo build --releaseThe binary will be at target/release/simtrace.exe (Windows) or target/release/simtrace (other platforms).
Settings are saved to:
- Windows:
%APPDATA%\simtrace\settings.toml - macOS:
~/Library/Application Support/simtrace/settings.toml - Linux:
~/.config/simtrace/settings.toml