Checking

An open-source timing and strategy analysis tool for motorsport. Browse past sessions, replay races with full telemetry, and explore strategy data including fuel correction, tire degradation, pit windows, and battle detection.

How it works

Session data is downloaded from publicly available timing feeds and processed entirely in your browser using a Rust engine compiled to WebAssembly. No data is stored on any server — everything runs locally.

Features

• Session browser with downloadable race, qualifying, and practice data
• Playback with seek, speed control, and lap-by-lap navigation
• Live timing tower with gaps, intervals, and sector times
• Track map with car positions, speed overlay, and mini sectors
• Pace landscape with fuel-corrected lap times and degradation regression
• Battle view with closing rate, DRS detection, and segment dominance
• Pit window and undercut viability analysis
• Weather tracking and race control messages

Desktop app

A native desktop version is available with live timing support, direct API access, and local session caching. Built with Tauri.