RaceChrono

RaceChrono is the professional-grade lap timer and data logging app built for serious motorsports enthusiasts and drivers who demand precision performance analysis. Whether you're racing cars, riding motorbikes, or competing in go-karts on closed circuits or point-to-point stages, this app replaces traditional lap timers and data loggers with smartphone convenience and advanced analytics.

Track every detail that matters. RaceChrono's lap timing system captures sector splits and calculates your optimal lap automatically, letting you see exactly where you gain or lose time. Access a built-in track library featuring over 2600 pre-made race circuits worldwide, or create custom user-defined circuits and point-to-point courses tailored to your specific venue. The app handles unlimited session length, making it perfect for endurance racing and 24-hour events where traditional timers fall short.

Analyze performance with tools trusted by professionals. Smoothly scrolling data analysis pairs synchronized graphs and track maps so you can visualize your racing line, throttle inputs, braking points, and speed data in real time. Compare lap-to-lap performance to identify consistency and improvement areas. With over 100,000 active users—including factory test drivers and professional race instructors—RaceChrono has become the standard pit equipment at tracks everywhere.

Unlock advanced capabilities through in-app purchases designed for serious data enthusiasts. Video synchronization links footage from virtually all action cameras, while hardware-accelerated video export overlays live telemetry data onto your recordings. Multi-camera recording with picture-in-picture export lets you combine cockpit and external views for comprehensive session documentation. Connect external GPS receivers including Dragy Pro, RaceBox, Qstarz, Columbus P-9, VBOX Sport, and Garmin GLO for enhanced accuracy. OBD-II reader support via Bluetooth and Wi-Fi taps into your vehicle's onboard diagnostics, while Bluetooth LE heart rate monitors track driver fitness and fatigue.

Export and share session data effortlessly in multiple formats including ODS for Excel, NMEA, VBO, and CSV, making it easy to review data on any platform or share with coaches and engineers. Predictive lap timing and time delta graphs help you understand pace trends and identify braking or acceleration opportunities. RaceChrono transforms raw telemetry into actionable insights, giving you the competitive edge whether you're chasing personal records or preparing for championship rounds.