Barber Motorsports Park
3717 m · 19 corners · reference lap 1:46.73 (supersport 600, simulation estimate)
The reference below is a minimum-time line solved from this track's geometry with a quasi-steady-state motorcycle model. It is a ceiling under ideal assumptions — use it to see where your headroom lives, then drop your own session file to measure yours.
Three places to look first
Biggest braking event
Turn 12: 173.9 → 106.7 km/h over 48.0 m. Brake-point consistency here is worth more than anywhere else on the lap.
Commitment corner
Turn 4: reference minimum 131.5 km/h. Fast corners punish hesitation — min-speed spread here is the classic amateur time leak.
Slowest corner
Turn 6: 60.9 km/h minimum. Exit drive from here sets the following straight — spread on the exit costs the whole next sector.
| Corner | Name | Entry | Min | Exit | Brake, m |
|---|---|---|---|---|---|
| T1 | 123.4 | 104.7 | 142.6 | 57.0 | |
| T2 | 111.2 | 67.3 | 82.0 | 36.0 | |
| T3 | 83.5 | 79.7 | 131.5 | 6.0 | |
| T4 | 131.5 | 131.5 | 163.0 | 6.0 | |
| T5 | Charlotte's Web | 108.9 | 63.5 | 62.3 | 39.0 |
| T6 | 62.3 | 60.9 | 121.3 | 30.0 | |
| T7 | 114.2 | 109.0 | 126.5 | 15.0 | |
| T8 | 162.4 | 99.4 | 118.4 | 75.0 | |
| T9 | 124.6 | 96.2 | 91.3 | 6.0 | |
| T9 | 87.2 | 61.4 | 145.4 | 39.0 | |
| T10 | 122.3 | 91.1 | 94.2 | 81.0 | |
| T11 | 97.1 | 93.6 | 137.9 | 18.0 | |
| T12 | 173.9 | 106.7 | 123.0 | 48.0 | |
| T13 | 113.3 | 81.3 | 97.3 | 9.0 | |
| T14 | 130.0 | 106.4 | 120.8 | 15.0 | |
| T15 | 130.6 | 97.1 | 96.7 | 18.0 | |
| T16 | 99.2 | 76.4 | 88.1 | 18.0 | |
| T16 | 88.1 | 88.1 | 120.5 | 78.0 | |
| T17 | 134.4 | 71.3 | 122.5 | 9.0 |
Anisotropic friction ellipse mu_x=1.10 / mu_y=1.20 (warm sport/trackday tires, dry track).
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