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BoP Lab / Drivers / Sherman Chao

Sherman Chao

Compare with another driver
Class
Car
Event
Session

Against the front of the class, by track

TrackSessionsTypical gap to class bestClosest
Road America (4.05 mi)22+2.762s (2.15%)+0.000s (0.00%)
Virginia International Raceway (3.27 mi)20+1.852s (1.57%)+0.000s (0.00%)
Sebring International Raceway (3.74 mi)7+7.608s (6.11%)+0.064s (0.05%)
Michelin Raceway Road Atlanta (2.54 mi)4+0.000s (0.00%)+0.000s (0.00%)
Unknown track (3.27 mi)8+0.288s (0.26%)+0.000s (0.00%)
Indianapolis Motor Speedway (2.59 mi)18+4.607s (4.84%)+0.000s (0.00%)
Sonoma Raceway (2.52 mi)3+2.848s (3.09%)+2.848s (3.09%)
Unknown track (2.52 mi)3+5.339s (5.61%)+0.949s (0.98%)
Unknown track (2.59 mi)3+0.000s (0.00%)+0.000s (0.00%)
Mid-Ohio Sports Car Course (2.26 mi)10+2.245s (2.74%)+0.000s (0.00%)
Daytona International Speedway (3.56 mi)5+3.412s (3.05%)+0.556s (0.49%)

Gap is the driver's best lap in a session against the fastest lap in their class in that same session (zero is fastest in class), shown as time lost and as a share of the lap, so conditions cancel out and tracks can be compared. Typical is the median session.

Road America (4.05 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrap
Runoffs 2026FA/P/P2 National Championship RaceP23Ligier JS519/112:15.9602:09.177John Patrick Witherspoon+6.783s (5.25%)144.8155.0 Matt Strand-10.1 mph (-6.5%)
Runoffs 2026FA/P/P2 Qualifying 3P23Ligier JS514/112:15.7102:10.606Greg Gyann+5.104s (3.91%)145.3148.5 Brian Lindstrand-3.2 mph (-2.1%)
Runoffs 2026FA/P/P Qualifying 2P23Ligier JS513/32:56.6412:50.660Matt Strand+5.981s (3.50%)118.1120.9 Matt Strand-2.8 mph (-2.3%)
Runoffs 2026Wed Grp 8 FA P P2 Run 2P23Ligier JS512/32:18.7192:16.969John Patrick Witherspoon+1.750s (1.28%)143.0143.5 Mike Reupert-0.5 mph (-0.3%)
Runoffs 2026Wed Grp 8 FA P P2 Run 1P23Ligier JS511/13:04.9343:04.934you+0.000s (0.00%)108.1you
Runoffs 2026Mon Grp 4 FA FC FE2 P Run 4P23Ligier JS511/12:14.9102:14.910you+0.000s (0.00%)145.8you
Runoffs 2026Mon Grp 4 FA FC FE2 P Run 3P23Ligier JS513/32:18.0602:11.791Mike Reupert+6.269s (4.76%)145.1145.8 Brian Lindstrand-0.8 mph (-0.5%)
Runoffs 2026Mon Grp 4 FA FC FE2 P Run 2P23Ligier JS513/32:16.3842:08.796Mike Reupert+7.588s (5.89%)144.8147.2 Mike Reupert-2.3 mph (-1.6%)
Runoffs 2026Mon Grp 4 FA FC FE2 P Run 1P23Ligier JS513/42:22.1022:12.800Mike Reupert+9.302s (7.00%)143.3147.7 Mike Reupert-4.4 mph (-3.0%)
Runoffs 2024P2 RaceP203Stohr WF15/132:08.7662:08.322Bart Wolf+0.444s (0.35%)149.7152.5 Lucian Pancea-2.8 mph (-1.8%)
Runoffs 2024P1/P2 Qual 3P203Stohr WF17/142:13.1502:07.551Bart Wolf+5.599s (4.39%)
Runoffs 2024P1/P2 Qual 2P203Stohr WF17/112:12.3842:07.405Bart Wolf+4.979s (3.91%)149.8150.7 Lucian Pancea-0.8 mph (-0.5%)
Runoffs 2024P1/P2 Qual 1P203Stohr WF14/112:17.4252:11.476Bart Wolf+5.949s (4.52%)146.9147.4 Mike Reupert-0.5 mph (-0.4%)
Runoffs 2024Run 2 FA, P1, P2 MonP203Stohr WF13/82:11.4682:08.706Tim Day_Jr+2.762s (2.15%)145.6147.7 Tim Day_Jr-2.1 mph (-1.4%)
Runoffs 2024Run 1 FA, P1, P2 MonP203Stohr WF13/72:10.4492:07.585Tim Day_Jr+2.864s (2.24%)144.6152.6 Lucian Pancea-8.1 mph (-5.3%)
Runoffs 2024Run 3 FA, P1, P2, FC, FE2 SunP203Stohr WF12/52:10.5332:10.056Tim Day_Jr+0.477s (0.37%)143.8147.4 Mike Reupert-3.6 mph (-2.5%)
Runoffs 2024Run 2 FA, P1, P2, FC, FE2 SunP203Stohr WF13/72:09.4492:08.814Tim Day_Jr+0.635s (0.49%)147.4148.5 Lucian Pancea-1.1 mph (-0.7%)
Runoffs 2024Run 1 FA, P1, P2, FC, FE2 SunP203Stohr WF13/82:10.2162:07.806Tim Day_Jr+2.410s (1.89%)146.1149.3 Mike Reupert-3.2 mph (-2.1%)
Runoffs 2024Run 4 FA, FC, FE2, P1, P2 SatP203Stohr WF12/22:10.8322:09.286Tim Day_Jr+1.546s (1.20%)146.4147.2 Tim Day_Jr-0.8 mph (-0.5%)
Runoffs 2024Run 3 FA, FC, FE2, P1, P2 SatP203Stohr WF13/32:09.7382:08.777Bart Wolf+0.961s (0.75%)144.8146.4 Bart Wolf-1.6 mph (-1.1%)
Runoffs 2024Run 2 FA, FC, FE2, P1, P2 SatP203Stohr WF13/42:10.0542:08.822Bart Wolf+1.232s (0.96%)145.8you
Runoffs 2024Run 1 FA, FC, FE2, P1, P2 SatP203Stohr WF13/52:11.5622:08.758Bart Wolf+2.804s (2.18%)144.6144.8 Bart Wolf-0.3 mph (-0.2%)

Virginia International Raceway (3.27 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrap
Spring Sprints 2026Grp 7 FA FC FE2 P P2 F6 FF FV Race 2P23Ligier JS511/21:55.2891:55.289you+0.000s (0.00%)142.2you
Spring Sprints 2026Grp 7 FA FC FE2 P P2 F6 FF FV Qual 2P23Ligier JS511/22:23.0192:23.019you+0.000s (0.00%)128.0133.4 Peter Shadowen-5.4 mph (-4.1%)
Spring Sprints 2026Grp 7 FA FC FE2 P P2 F6 FF FV Race 1P23Ligier JS512/31:55.5061:55.506you+0.000s (0.00%)144.7148.4 AJ Snyder-3.7 mph (-2.5%)
Spring Sprints 2026Grp 7 FA FC FE2 P P2 F6 FF FV Qual 1P23Ligier JS511/31:56.8971:56.897you+0.000s (0.00%)141.7146.5 AJ Snyder-4.8 mph (-3.3%)
Spring Sprints 2026AfternoonP23Ligier JS512/22:00.0021:58.150Pat Wildfire+1.852s (1.57%)140.5you
North Carolina Region Dual Conference Hoosier SCCA Super Tour & Test Day @ Virginia International RacewayGrp 4 FA FC FX FE2 P1 P2 Race 2P203Stohr WF11/31:52.5071:52.507you+0.000s (0.00%)142.4148.4 AJ Snyder-5.9 mph (-4.0%)
North Carolina Region Dual Conference Hoosier SCCA Super Tour & Test Day @ Virginia International RacewayGrp 4 FA FC FX FE2 P1 P2 Race 1P203Stohr WF11/31:52.0721:52.072you+0.000s (0.00%)142.4147.9 AJ Snyder-5.4 mph (-3.7%)
North Carolina Region Dual Conference Hoosier SCCA Super Tour & Test Day @ Virginia International RacewayGrp 4 FA FC FX FE2 P1 P2 QualP203Stohr WF13/32:08.0541:53.767Michael Moulton+14.287s (12.56%)137.9147.3 AJ Snyder-9.4 mph (-6.4%)
North Carolina Region Dual Conference Hoosier SCCA Super Tour & Test Day @ Virginia International RacewayGrp 4 FA FC FX FE2 P1 P2 PracP203Stohr WF11/31:53.1051:53.105you+0.000s (0.00%)142.2142.4 Michael Moulton-0.2 mph (-0.2%)
Runoffs 2023P2 RaceP203Stohr WF15/111:49.6531:48.829Lucian Pancea+0.824s (0.76%)143.8149.3 Mike Reupert-5.5 mph (-3.7%)
Runoffs 2022P2 RaceP203Stohr WF111/122:36.4772:15.834Greg Gyann+20.643s (15.20%)123.9136.3 Greg Gyann-12.4 mph (-9.1%)
Runoffs 2022P1/P2 Qual 3P203Stohr WF17/121:54.9451:47.785Tim Day_Jr+7.160s (6.64%)137.0149.2 Robert Iversen-12.2 mph (-8.2%)
Runoffs 2022P1/P2 Qual 2P203Stohr WF16/111:51.0401:47.581Greg Gyann+3.459s (3.22%)139.5151.1 Robert Iversen-11.6 mph (-7.7%)
Runoffs 2022P1/P2 Qual 1P203Stohr WF16/111:53.7401:47.566Tim Day_Jr+6.174s (5.74%)141.9148.7 Robert Iversen-6.7 mph (-4.5%)
Runoffs 2022Grp 8 Run 2 FA,P1,P2 MonP203Stohr WF14/61:52.7721:48.369Greg Gyann+4.403s (4.06%)141.5149.7 Robert Iversen-8.3 mph (-5.5%)
Runoffs 2022Grp 8 Run 1 FA,P1,P2 MonP203Stohr WF14/71:54.3291:49.638Greg Gyann+4.691s (4.28%)136.7149.5 Robert Iversen-12.7 mph (-8.5%)
Runoffs 2022Grp 5 Run 3 FA,P1,P2 SunP203Stohr WF13/61:55.4111:53.675Mike Reupert+1.736s (1.53%)136.0145.7 Lucian Pancea-9.7 mph (-6.7%)
Runoffs 2022Grp 5 Run 2 FA,P1,P2 SunP203Stohr WF13/71:54.2551:48.742Greg Gyann+5.513s (5.07%)138.6149.2 Lucian Pancea-10.6 mph (-7.1%)
Runoffs 2022Grp 4 Run 4 FA,FC,FE2,FX,P1,P2 SatP203Stohr WF15/41:52.427Robert Iversen
Runoffs 2022Grp 4 Run 3 FA,FC,FE2,FX,P1,P2 SatP203Stohr WF13/61:55.7581:48.970Greg Gyann+6.788s (6.23%)141.7147.9 Robert Iversen-6.2 mph (-4.2%)

Sebring International Raceway (3.74 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrap
Central Florida 2025Grp 6 FA FC FE2 P P2 Race 2P03Stohr WF1 (2018)3/62:12.1872:04.579Todd Vanacore+7.608s (6.11%)128.8137.2 Todd Vanacore-8.4 mph (-6.1%)
Central Florida 2025Grp 6 FA FC FE2 P P2 Race 1P03Stohr WF1 (2018)2/62:11.9922:03.428Todd Vanacore+8.564s (6.94%)126.4136.8 Todd Vanacore-10.3 mph (-7.6%)
Central Florida 2025Grp 6 FA, FC, FE2, P, P2 Qual 2P03Stohr WF1 (2018)1
Central Florida 2025Grp 6 FA, FC, FE2, P, P2 Qual 1P203Stohr WF1 (2018)2/22:11.4622:11.398Bart Wolf+0.064s (0.05%)129.8134.1 Bart Wolf-4.3 mph (-3.2%)
Central Florida 2024Grp 5 FA,FC,FE2,FX,P1,P2 QualP203Stohr WF12/42:09.5342:09.076Tim Day Jr+0.458s (0.35%)127.6131.9 Bart Wolf-4.3 mph (-3.3%)
Central Florida 2024Grp 5 FA,FC,FE2,FX,P1,P2 PracP203Stohr WF12/42:35.3822:18.758Tim Day Jr+16.624s (11.98%)122.5127.8 Tim Day Jr-5.4 mph (-4.2%)
Central Florida 2024Testing PMP203Stohr WF11/23:35.3382:52.541Tim Day Jr+42.797s (24.80%)114.9115.9 Tim Day Jr-1.0 mph (-0.8%)

Michelin Raceway Road Atlanta (2.54 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrap
Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road AtlantaGrp 3 FA,FC,FE2,FX,P1,P2 Race 2P203Stohr WF11/41:26.2331:26.233you+0.000s (0.00%)131.0132.9 Michael Moulton-1.9 mph (-1.4%)
Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road AtlantaGrp 3 FA,FC,FE2,FX,P1,P2 Race 1P203Stohr WF11/41:44.1321:44.132you+0.000s (0.00%)123.5125.8 Brian Lindstrand-2.3 mph (-1.8%)
Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road AtlantaGrp 3 FA,FC,FE2,FX,P1,P2 Qual 2P203Stohr WF12/41:24.3661:24.228Lucian Pancea+0.138s (0.16%)131.0133.6 Lucian Pancea-2.6 mph (-1.9%)
Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road AtlantaGrp 3 FA,FC,FE2,FX,P1,P2 Qual 1P203Stohr WF12/41:27.4191:25.996Lucian Pancea+1.423s (1.65%)131.9134.0 Lucian Pancea-2.2 mph (-1.6%)

Unknown track (3.27 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrap
Runoffs 2023P1/P2 Qual 3P203Stohr WF13/121:49.3631:48.590Greg Gyann+0.773s (0.71%)142.2149.5 Lucian Pancea-7.3 mph (-4.9%)
Runoffs 2023P1/P2 Qual 2P203Stohr WF13/111:51.1871:50.436Lucian Pancea+0.751s (0.68%)142.0147.1 Lucian Pancea-5.1 mph (-3.5%)
Runoffs 2023P1/P2 Qual 1P203Stohr WF12/121:49.0961:48.808Tim Day_Jr+0.288s (0.26%)143.2150.9 Lucian Pancea-7.7 mph (-5.1%)
Runoffs 2023Run 2 P1, P2 MonP203Stohr WF13/91:50.6511:49.572Greg Gyann+1.079s (0.98%)141.8148.2 Lucian Pancea-6.4 mph (-4.3%)
Runoffs 2023Run 1 P1, P2 MonP203Stohr WF11/81:48.8471:48.847you+0.000s (0.00%)144.0147.1 Lucian Pancea-3.1 mph (-2.1%)
Runoffs 2023Run 3 P1, P2 SunP203Stohr WF11/81:49.7061:49.706you+0.000s (0.00%)146.3148.7 Lucian Pancea-2.4 mph (-1.6%)
Runoffs 2023Run 2 P1, P2 SunP203Stohr WF12/81:50.2511:49.409Greg Gyann+0.842s (0.77%)144.8146.3 Mike Reupert-1.6 mph (-1.1%)
Runoffs 2023Run 1 P1, P2 SunP203Stohr WF11/81:48.4991:48.499you+0.000s (0.00%)146.8147.9 Mike Reupert-1.1 mph (-0.7%)

Indianapolis Motor Speedway (2.59 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrap
Runoffs 2021P2 RaceP203Stohr WF111/101:35.322Tim Day_Jr
Runoffs 2021P1/P2 Qual 3P203Stohr WF16/161:37.2781:33.835Tim Day_Jr+3.443s (3.67%)141.6149.2 Robert Iversen-7.5 mph (-5.0%)
Runoffs 2021P1/P2 Qual 2P203Stohr WF112/161:42.0731:33.235Tim Day_Jr+8.838s (9.48%)146.9149.5 John MacIntyre-2.6 mph (-1.7%)
Runoffs 2021P1/P2 Qual 1P203Stohr WF15/151:38.6061:33.993Tim Day_Jr+4.613s (4.91%)138.0150.3 Robert Iversen-12.3 mph (-8.2%)
Runoffs 2021Grp 4 Run 2 FA,FE2,FX,P1,P2 MonP203Stohr WF13/101:39.7481:35.141Tim Day Jr+4.607s (4.84%)141.3149.5 Robert Iversen-8.2 mph (-5.5%)
Runoffs 2021Grp 4 Run 1 FA,FE2,FX,P1,P2 MonP203Stohr WF15/121:42.5701:35.592Tim Day Jr+6.978s (7.30%)140.0149.5 Robert Iversen-9.6 mph (-6.4%)
Runoffs 2021Grp 4 Run 3 FA,FE2,FX,P1,P2 SunP203Stohr WF13/91:38.2071:35.360Greg Gyann+2.847s (2.99%)143.7149.2 Brian Novak-5.5 mph (-3.7%)
Runoffs 2021Grp 4 Run 2 FA,FE2,FX,P1,P2 SunP203Stohr WF14/101:39.7311:36.050Tim Day Jr+3.681s (3.83%)138.6146.2 Greg Gyann-7.6 mph (-5.2%)
Runoffs 2021Grp 4 Run 1 FA,FE2,FX,P1,P2P203Stohr WF13/81:41.0731:38.859Tim Day Jr+2.214s (2.24%)138.3144.1 John MacIntyre-5.7 mph (-4.0%)
Runoffs 2021Grp 4 Run 4 FA,FC,FE2,FX,P1,P2P203Stohr WF17/82:02.9921:35.127Greg Gyann+27.865s (29.29%)138.0149.5 Robert Iversen-11.6 mph (-7.7%)
Runoffs 2021Grp 4 Run 3 FA,FC,FE2,FX,P1,P2P203Stohr WF12/71:40.4271:36.180Greg Gyann+4.247s (4.42%)138.0151.9 Robert Iversen-13.9 mph (-9.1%)
Runoffs 2021Grp 4 Run 2 FA,FC,FE2,FX,P1,P2P203Stohr WF12/51:43.92312.006Greg Gyann+91.917s (765.59%)131.8140.3 Greg Gyann-8.5 mph (-6.0%)
Runoffs 2021Grp 4 Run 1 FA,FC,FE2,FX,P1,P2P203Stohr WF12/32:30.1792:21.846Mike Reupert+8.333s (5.87%)125.4you
Runoffs 2017FA/P2 RaceP23Stohr WF1 Suzuki4/241:35.9271:32.481Jeff Shafer+3.446s (3.73%)
Runoffs 2017FA/P2 Qual 4P23Stohr WF1 Suzuki4/251:35.6101:31.826Jeff Shafer+3.784s (4.12%)
Runoffs 2017FA/P2 Qual 3P23Stohr WF1 Suzuki1/211:36.6811:36.681you+0.000s (0.00%)
Runoffs 2017FA/P2 Qual 2P23Stohr WF1 Suzuki4/191:37.8775.809Mark L. Schnell+92.068s (1584.92%)
Runoffs 2017FA/P2 Qual 1P23Stohr WF1 Suzuki4/191:37.3205.913Mark L. Schnell+91.407s (1545.87%)

Sonoma Raceway (2.52 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrap
Runoffs 2018P2 RaceP23Stohr WF117/181:35.5271:32.071Chuck Bona+3.456s (3.75%)127.4136.9 Chuck Bona-9.5 mph (-7.0%)
Runoffs 2018P1/P2 Qual 2P23Stohr WF116/141:28.784Tim Day Jr.
Runoffs 2018P1/P2 Qual 1P23Stohr WF16/151:34.8791:32.031Chuck Bona+2.848s (3.09%)129.9130.8 Lucian Pancea-1.0 mph (-0.7%)

Unknown track (2.52 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrap
Runoffs 2018Sun Grp 4 Run 2P23Stohr WF11/41:37.4841:36.535Fernando Fabian Okonski+0.949s (0.98%)
Runoffs 2018Sun Grp 4 Run 1P23Stohr WF13/61:40.4471:35.108Jeff Shafer+5.339s (5.61%)
Runoffs 2018Sat Grp 4 Run 1P23Stohr WF13/31:41.6291:33.579Tim Day Jr.+8.050s (8.60%)

Unknown track (2.59 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrap
Runoffs 2017Sat Grp 4 Run 3P23Stohr WF1 Suzuki1/71:38.8241:38.824you+0.000s (0.00%)
Runoffs 2017Sat Grp 4 Run 2P23Stohr WF1 Suzuki1/41:41.3611:41.361you+0.000s (0.00%)
Runoffs 2017Sat Grp 4 Run 1P23Stohr WF1 Suzuki2/71:40.4271:38.547Mike Reupert+1.880s (1.91%)

Mid-Ohio Sports Car Course (2.26 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrap
Runoffs 2016P2 RaceP23Stohr WF1 Suzuki2/161:23.1021:20.904Jeff Shafer+2.198s (2.72%)
Runoffs 2016P2 Qual 4P23Stohr WF1 Suzuki8/171:27.7531:22.428Jeff Shafer+5.325s (6.46%)
Runoffs 2016P2 Qual 3P23Stohr WF1 Suzuki2/161:23.4561:20.793Jeff Shafer+2.663s (3.30%)
Runoffs 2016P2 Qual 2P23Stohr WF1 Suzuki2/181:23.6701:20.188Jeff Shafer+3.482s (4.34%)
Runoffs 2016P2 Qual 1P23Stohr WF1 Suzuki3/161:24.1711:21.926Jeff Shafer+2.245s (2.74%)
Runoffs 2016SUN 2 - Gp5 FC/FE/FM/P2P23Stohr WF13/91:26.1231:19.759Jeff Shafer+6.364s (7.98%)
Runoffs 2016SUN 1 - Gp5 FC/FE/FM/P2P23Stohr WF15/81:31.5811:24.487Michael Reupert+7.094s (8.40%)
Runoffs 2016FRI 4 - Gp3 Large FormulaP23Stohr WF11/51:24.1711:24.171you+0.000s (0.00%)
Runoffs 2016FRI 3 - Gp3 Large FormulaP23Stohr WF11/51:23.3801:23.380you+0.000s (0.00%)
Runoffs 2016FRI 2 - Gp3 Large FormulaP23Stohr WF11/41:25.1111:25.111you+0.000s (0.00%)

Daytona International Speedway (3.56 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrap
Runoffs 2015P2 RaceP23FLA3/171:52.9111:52.355Jeff Shafer+0.556s (0.49%)
Runoffs 2015P1/P2 Qualifying 4P23FLA3/161:55.5261:52.569Jeff Shafer+2.957s (2.63%)
Runoffs 2015P1/P2 Qualifying 3P23FLA6/151:56.5891:52.329Chris Farrell+4.260s (3.79%)
Runoffs 2015P1/P2 Qualifying 2P23FLA5/161:56.7331:51.825Chris Farrell+4.908s (4.39%)
Runoffs 2015P1/P2 Qualifying 1P23FLA4/171:55.4471:52.035Chris Farrell+3.412s (3.05%)