Barber Motorsports Park,
re-solved live.
Leeds, Alabama · 3.72 km · 2.31 mi · clockwise
Open Barber Motorsports Park in the Racing Line Lab and the browser re-solves the speed profile on the computed racing line as you change bike class, mass, power and grip. Every figure below is a simulation estimate on OpenStreetMap-derived geometry — not a measured lap.
Fully interactive free in the Lab — presets, sliders, ghost laps and PNG export.
Track outline © OpenStreetMap contributors (ODbL)
Reference simulated laps
Stock bike-class presets · warm sport tires, dry track · simulation estimates
| Preset | Sim lap | Avg speed |
|---|---|---|
| Supersport 600 | 1:46.7 | 123.8 km/h |
| Liter bike | 1:46.2 | 124.4 km/h |
| 650 twin | 1:49.2 | 120.9 km/h |
Where the model brakes hardest
Longest simulated brake zones · Supersport 600 preset · estimates, not measured data
Turn 8
122 km/h · 76 mph in → 91 km/h · 57 mph min
Turn 15
88 km/h · 55 mph in → 88 km/h · 55 mph min
Turn 5
162 km/h · 101 mph in → 99 km/h · 62 mph min