Sonoma

Records history

GT Radial Stock - Gen. 2 Date Chassis Lap time Delta Tires BP
Dennis Feng May 10, 2025 Gen. 2 1:53.854 GT Radial SX2 -
Dennis Feng Nov 09, 2024 Gen. 2 1:54.232 0.378 GT Radial SX2 -
Nico Iskos Mar 09, 2024 Gen. 2 1:57.305 3.451 GT Radial SX2 -
Haowei Wu May 14, 2023 Gen. 2 1:57.472 3.618 GT Radial SX2 -
Haowei Wu May 28, 2022 Gen. 2 1:57.603 3.749 GT Radial SX2 -
GT Radial Stock - Gen. 1 Date Chassis Lap time Delta Tires BP
Ivan Larionov May 10, 2025 Gen. 1 1:57.203 GT Radial SX2 -
Ivan Larionov Nov 09, 2024 Gen. 1 1:57.261 0.058 GT Radial SX2 -
Ivan Larionov Mar 09, 2024 Gen. 1 1:59.053 1.850 GT Radial SX2 -
Ivan Larionov May 14, 2023 Gen. 1 1:59.988 2.785 GT Radial SX2 -
Tor Anderson Nov 09, 2019 Gen. 1 2:00.515 3.312 GT Radial SX2 -
Eric Lin Jul 07, 2018 Gen. 1 2:01.189 3.986 GT Radial SX2 -
Eric Lin May 26, 2018 Gen. 1 2:02.930 5.727 GT Radial SX2 -
GT Radial Street Date Chassis Lap time Delta Tires BP
Timur Iskhodzhanov May 10, 2025 Gen. 2 1:52.858 GT Radial SX2 2.0
Timur Iskhodzhanov Nov 09, 2024 Gen. 2 1:53.470 0.612 GT Radial SX2 2.0
Haowei Wu Mar 09, 2024 Gen. 2 1:55.279 2.421 GT Radial SX2 1.0
Qianli Xing May 14, 2023 Gen. 2 1:56.196 3.338 GT Radial SX2 2.0
Miles Kodama May 28, 2022 Gen. 1 1:56.248 3.390 GT Radial SX2 3.0
Tor Anderson Nov 07, 2020 Gen. 1 1:57.494 4.636 GT Radial SX2
Jerry Kwan May 26, 2018 Gen. 1 1:59.940 7.082 GT Radial SX2
Jerry Kwan Nov 11, 2017 Gen. 1 2:02.830 9.972 GT Radial SX2
Sandy Phan Jul 15, 2017 Gen. 1 2:14.370 21.512 GT Radial SX2
Touring Date Chassis Lap time Delta Tires BP
Qianli Xing Nov 09, 2024 Gen. 2 1:48.764 Maxxis RC-1 R2 10.0
Joe McGuigan Nov 09, 2019 Gen. 1 1:50.718 1.954 Yokohama A052
Sonny Watanasirisuk May 25, 2019 Gen. 1 1:51.546 2.782 Hoosier A7
Jeff Nucum Jul 07, 2018 Gen. 1 1:57.593 8.829 Hankook RS4
Jeff Nucum May 26, 2018 Gen. 1 1:58.244 9.480 Cooper RS3
Unlimited Date Chassis Lap time Delta Tires BP
Neal Wiebmer May 08, 2021 Gen. 1 1:50.090 Unknown
Garland Wong Jul 07, 2018 Gen. 1 1:50.509 0.419 Nitto NT01
Garland Wong Nov 11, 2017 Gen. 1 1:50.940 0.850 Unknown
Modified (inactive) Date Chassis Lap time Delta Tires BP
Garland Wong Jul 15, 2017 Gen. 1 1:59.511 Unknown
Brandon Yun Nov 05, 2016 Gen. 1 2:03.100 3.589 Unknown
Super Modified (inactive) Date Chassis Lap time Delta Tires BP
Brandon Yun Nov 11, 2017 Gen. 1 1:58.130 Unknown
Brandon Yun Jul 15, 2017 Gen. 1 1:58.637 0.507 Unknown

Events

Date Organizer Status
Dec 13, 2025 SpeedSF Season Finale! Registration
May 10, 2025 SpeedSF 86 CUP Joint Event Event results
Nov 09, 2024 SpeedSF Event results
Mar 09, 2024 SpeedSF Freshly Repaved! Event results
May 14, 2023 SpeedSF Joint Event Event results
Feb 11, 2023 SpeedSF Event results
May 28, 2022 SpeedSF Event results
May 08, 2021 SpeedSF Event results
Feb 06, 2021 SpeedSF Event results
Nov 07, 2020 SpeedSF Event results
Nov 09, 2019 SpeedSF Event results
May 25, 2019 SpeedSF Event results
Jul 07, 2018 SpeedSF Event results
May 26, 2018 SpeedSF Event results
Nov 11, 2017 SpeedSF Event results
Jul 15, 2017 Speed Ventures 86CUP SoCal + NorCal Event results
Nov 05, 2016 SpeedSF Event results
Mar 13, 2016 SpeedSF Event results