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BoP Lab / Buttonwillow Raceway Park

F5 + FE2 at Buttonwillow Raceway Park

No mapCal Club 2024, Cal Club 2023

Track map: sectors and speed trap

Track map with timing sectors and speed trap
Shown for: Cal Club 2026 (practice, qualifying, race) · Cal Club 2025 (practice, qualifying, race)
Class · click a class to switch, + to compare alongside
Track configuration
Events

This track has been raced on 4 configurations (The Circuit, 2.57 mi; 19, 2.92 mi; 1.83 mi; 3.02 mi). Laps on different configurations are not comparable, so only events on the 2.57 mile layout are shown; switch above to see the others.

F5 has no laps in the events chosen. It ran at Super Tour Apr 2017: add that event.

PosCarDriverClass#LapTheoreticalQualRace5-lap stintConsistencyTrapS1S2S3
1SCCA Ent FE (2007)Caleb ShraderFE2991:08.250 D-Q21:08.250 D-Q2
2Formula Enterprise (2023)Blake PigeonFE21081:12.402 D-Q21:12.402 D-Q2
3SCCA Ent FE2 (2007)John YeatmanFE2221:13.988 D-Q21:13.988 D-Q2
4SCCA Ent FE2 (2010)Thomas W BurtFE2451:14.003 D-Q21:14.003 D-Q2
5SCCA Ent FE2Jon McClintock >115%FE2231:39.265 A-Q21:39.2651:39.265 A-Q21:40.253 A-R11:40.602 A-R1+1.377 A-R1152.6 A-Q227.464 A-Q228.773 A-Q243.028 A-Q2
6SCCA Ent FE2Paul Marino >115%FE2441:39.358 B-Q21:39.2091:39.358 B-Q21:39.712 B-R11:40.188 B-R1+0.849 B-R1156.6 A-Q127.234 B-Q228.582 B-R143.393 B-Q2
7SCCA Ent FE2Tom Hope >115%FE2181:39.452 B-Q21:39.3931:39.452 B-Q21:39.992 B-R11:40.186 B-R1+0.531 B-R1125.6 B-Q127.375 B-Q228.661 B-Q243.357 B-Q1
8SCCA Ent FE2Tom Burt >115%FE2451:40.774 B-Q11:40.5691:40.774 B-Q11:40.955 B-R11:41.516 B-R1+0.989 B-R1154.7 A-R127.836 B-R129.021 A-Q243.712 B-Q1
9SCCA Ent FE2Noah Hambayi >115%FE2641:40.848 B-Q21:40.6731:40.848 B-Q21:41.416 B-R21:41.703 B-R2+1.034 B-R2142.4 B-P27.646 B-R228.966 B-Q244.061 B-P

One row per driver and car (a driver who changed cars has a row for each). Each cell is that driver's best in that car across the selected events, with the session it was set in. Best 5-lap stint is the mean of the driver's quickest five consecutive race laps, and consistency is how far their median race lap sat behind their best in that race (small is a driver who does it every lap); both come from the race with the best stint. The fastest in each column is purple, and a car whose best lap is more than 115% of the fastest in its class is greyed (marked ">115%" beside the driver) and left out of the colour scale. Click a column to sort, a row to highlight it. Theoretical lap is the sum of the best sectors, whichever laps they came from, and never slower than the best lap (where a car's fastest laps were recorded without sector times, its best lap is used). The 115% mark is about the car's best lap only: a car whose best lap is within 115% of the fastest in its class is never marked. Greyed sectors with no theoretical lap mean the sector times on file do not add up to a believable lap. Letters refer to the events above; Q is qualifying, R a race.

Sectors

Sectors are numbered in lap order from start/finish, whatever each event's timing called them; the loop names are SCCA timing's.

By car

CarClassDriversLapQualRaceTrapS1S2S3
SCCA Ent FE2FE281:08.250Caleb Shrader1:08.250Caleb Shrader1:39.712Paul Marino156.6Paul Marino27.234Paul Marino28.582Paul Marino43.028Jon McClintock
Formula EnterpriseFE211:12.402Blake Pigeon1:12.402Blake Pigeon

The best any driver of each car managed across the selected events, with who set it. Spellings and model years of the same car are grouped; click a row marked ▸ to see each version. Grouping is worked out from the names, so tell us if two cars are wrongly merged or split.

Rule changes between these events

Cal Club 2023 → Cal Club 2024 2023-02-24 to 2024-02-23

No changes on record for these classes.

Cal Club 2024 → Cal Club 2025 2024-02-23 to 2025-02-22

No changes on record for these classes.

Cal Club 2025 → Cal Club 2026 2025-02-22 to 2026-02-21

FE2 Driver Safety & Comfort

#37965 from Robey Clark · Rule change · TB 25-04 (2025-04 Fastrack)

In FE2, GCR section 9.1.1.G.2.E, add the following:
"g. Driver Safety and Comfort modifications to seat and controls for drivers with disabilities may be made only by approval. These
modifications must be reported to SCCA Enterprises and noted in the car logbook. The modifications are approved only for the
noted driver with disabilities. If the car is used by or sold to another driver, it must be returned to the previous standard
configuration."

FE2 FE & FE2 Bubble Tail

#38978 from Robey Clark · Rule change · TB 25-10 (2025-10 Fastrack)

In FE, GCR section 9.1.1.G.2.F.k, change as follows:
"Enterprises bubble tail P/N: WM138014 is allowed for FE and is the only configuration for FE2."

What the rules allowed changed as listed; this does not say what any particular car ran.