Real numbers for real cars
InRace turns GPS telemetry into verified performance data: horsepower measurement, track leaderboards and digital time-attack challenges.
How it works
Record
Do a full-throttle run on a track with any GPS logger — RaceBox, Dragy or RaceChrono.
Upload
Drop the log file into GPSDyno and enter your car's weight. No sensors, no dyno booking.
Get the numbers
SAE-normalized engine power, a composite power curve, acceleration intervals and lap analysis.
Fresh from the track
GPSDyno
Physics-based horsepower measurement from GPS telemetry, calibrated per track surface. Repeatable, comparable, shareable with one link.
Measure power →Digital challenges
GPS time-attack competitions on real tracks. Upload a run inside the event window — you are on the leaderboard. Classes by weight-to-power ratio.
Browse challenges →Garage & blogs
A public profile for your car with verified dyno history, photos and onboard videos. Document the build in your blog.
Explore blogs →Put your car on the record
Free to use. Measurements are private until you decide to share them.
Create account