BoP Lab / Drivers / Kurt Frietzsche
Kurt Frietzsche
Against the front of the class, by track
| Track | Sessions | Typical gap to class best | Closest |
|---|---|---|---|
| Road America (4.05 mi) | 20 | +9.730s (6.35%) | +0.000s (0.00%) |
| Buttonwillow Raceway Park (2.57 mi) | 9 | +1.859s (1.62%) | +0.000s (0.00%) |
| Portland International Raceway (1.97 mi) | 8 | +1.255s (1.46%) | +0.000s (0.00%) |
| Buttonwillow Raceway Park (2.92 mi) | 5 | +0.000s (0.00%) | +0.000s (0.00%) |
| Portland International Raceway (1.98 mi) | 4 | +0.000s (0.00%) | +0.000s (0.00%) |
| Buttonwillow Raceway Park (1.83 mi) | 1 | +0.663s (0.90%) | +0.663s (0.90%) |
| Buttonwillow Raceway Park (3.02 mi) | 1 | ||
| Indianapolis Motor Speedway (2.59 mi) | 5 | +8.526s (7.83%) | +5.837s (5.31%) |
| Unknown track (4.05 mi) | 3 | +5.993s (4.00%) | +5.993s (4.00%) |
| Sonoma Raceway (2.52 mi) | 4 | +8.457s (7.97%) | +5.994s (5.63%) |
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)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap |
|---|---|---|---|---|---|---|---|---|---|
| Runoffs 2026 | EP National Championship Race | EP | 40 | Mazda RX-7 | 15/15 | 2:39.299 | 2:27.869Jon Brakke | +11.430s (7.73%) | 129.1137.0 Jon Brakke-8.0 mph (-5.8%) |
| Runoffs 2026 | EP Qualifying 3 | EP | 40 | Mazda RX-7 | 10/15 | 2:44.563 | 2:29.239Jon Brakke | +15.324s (10.27%) | 118.4135.9 Tyler Ladd-17.5 mph (-12.9%) |
| Runoffs 2026 | Tue Grp 3 EP FP HP B-Spec Run 3 | EP | 40a | Mazda RX-7 | 1/3 | 2:36.491 | 2:36.491you | +0.000s (0.00%) | 130.3you |
| Runoffs 2026 | Tue Grp 3 EP FP HP B-Spec Run 2 | EP | 40a | Mazda RX-7 | 2/4 | 2:40.877 | 2:32.660Tyler Ladd | +8.217s (5.38%) | 126.8137.3 Tyler Ladd-10.4 mph (-7.6%) |
| Runoffs 2026 | Tue Grp 3 EP FP HP B-Spec Run 1 | EP | 40a | Mazda RX-7 (12A / 13B) | 3/3 | 2:49.988 | 2:30.096Tyler Ladd | +19.892s (13.25%) | 111.3137.3 Tyler Ladd-26.0 mph (-18.9%) |
| Runoffs 2025 | EP National Championship Race | EP | 40 | Mazda RX-7 | 10/19 | 2:36.206 | 2:28.756Tyler Ladd | +7.450s (5.01%) | 129.1140.3 John Hainsworth-11.3 mph (-8.0%) |
| Runoffs 2025 | EP Qual 2 | EP | 40 | Mazda RX-7 | 15/19 | 2:45.185 | 2:27.632John Hainsworth | +17.553s (11.89%) | 127.2138.4 Tyler Ladd-11.2 mph (-8.1%) |
| Runoffs 2025 | Wed Grp 4 EP FP HP B-Spec Run 2 | EP | 40 | Mazda RX-7 | 8/7 | 2:29.509Chris Haldeman | |||
| Runoffs 2025 | Wed Grp 4 EP FP HP B-Spec Run 1 | EP | 40 | Mazda RX-7 | 3/7 | 2:36.790 | 2:30.491Jon Brakke | +6.299s (4.19%) | 125.9136.4 Jon Brakke-10.5 mph (-7.7%) |
| Runoffs 2025 | Tue Grp 3 EP FP HP B-Spec Run 3 | EP | 40 | Mazda RX-7 | 7/9 | 2:35.876 | 2:29.540John Hainsworth | +6.336s (4.24%) | 126.5137.5 John Hainsworth-11.1 mph (-8.0%) |
| Runoffs 2025 | Tue Grp 3 EP FP HP B-Spec Run 2 | EP | 40 | Mazda RX-7 | 10/9 | 2:30.380John Hainsworth | |||
| Runoffs 2025 | Tue Grp 3 EP FP HP B-Spec Run 1 | EP | 40 | Mazda RX-7 | 8/14 | 2:41.547 | 2:28.600Chris Haldeman | +12.947s (8.71%) | 120.3138.7 John Hainsworth-18.4 mph (-13.2%) |
| Runoffs 2024 | Run 2 EP, FP, GTL, B-Spec Mon | EP | 40x | Mazda RX-7 | 5/10 | 2:42.904 | 2:33.174Jon Brakke | +9.730s (6.35%) | |
| Runoffs 2024 | Run 3 EP, FP, GTL, HP, B-Spec Sun | EP | 40 | Mazda RX-7 | 5/7 | 2:37.993 | 2:31.626Peter Norton | +6.367s (4.20%) | 119.1138.4 Tyler Ladd-19.3 mph (-14.0%) |
| Runoffs 2024 | Run 2 EP, FP, GTL, HP, B-Spec Sun | EP | 40 | Mazda RX-7 | 7/6 | 2:29.408Tyler Ladd | |||
| Runoffs 2024 | Run 1 EP, FP, GTL, HP, B-Spec Sun | EP | 40 | Mazda RX-7 | 5/8 | 2:38.078 | 2:30.750Tyler Ladd | +7.328s (4.86%) | 116.7137.3 Tyler Ladd-20.6 mph (-15.0%) |
| Runoffs 2020 | EP Race | EP | 40 | Mazda RX-7 | 14/20 | 2:43.392 | 2:29.047Jesse Prather | +14.345s (9.62%) | 120.1140.5 Jesse Prather-20.4 mph (-14.5%) |
| Runoffs 2020 | EP, GTL Qual 3 | EP | 40 | Mazda RX-7 | 12/15 | 2:41.624 | 2:27.322Jesse Prather | +14.302s (9.71%) | 124.1141.7 Jesse Prather-17.6 mph (-12.4%) |
| Runoffs 2020 | EP, GTL Qual 2 | EP | 40 | Mazda RX-7 | 14/19 | 2:43.483 | 2:28.336Jesse Prather | +15.147s (10.21%) | 120.6141.0 Jesse Prather-20.4 mph (-14.5%) |
| Runoffs 2020 | EP, GTL Qual 1 | EP | 40 | Mazda RX-7 | 19/18 | 2:28.027Jesse Prather |
Buttonwillow Raceway Park (2.57 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap |
|---|---|---|---|---|---|---|---|---|---|
| Cal Club 2026 | Grp 1 EP FP HP B-Spec Race 2 | EP | 40 | Mazda RX-7 | 2/4 | 1:57.999 | 1:57.999you | +0.000s (0.00%) | 120.7126.2 Sean Lovett-5.5 mph (-4.3%) |
| Cal Club 2026 | Grp 1 EP FP HP B-Spec Qual 2 | EP | 40 | Mazda RX-7 | 4/2 | 2:00.712Sean Lovett | |||
| Cal Club 2026 | Grp 1 EP FP HP B-Spec Race 1 | EP | 40 | Mazda RX-7 | 1/4 | 1:58.419 | 1:58.419you | +0.000s (0.00%) | 118.0131.6 Joe Carr-13.6 mph (-10.3%) |
| Cal Club 2026 | Grp 1 EP FP HP B-Spec Qual 1 | EP | 40 | Mazda RX-7 | 1/4 | 1:57.474 | 1:57.474you | +0.000s (0.00%) | 117.1127.0 William Robinson-9.9 mph (-7.8%) |
| Cal Club 2025 | Grp 1 EP FP HP B-Spec Race 2 | EP | 40 | Mazda RX-7 | 4/4 | 1:59.416 | 1:53.487Glen McCready | +5.929s (5.22%) | 95.6104.5 Joe Carr-8.9 mph (-8.5%) |
| Cal Club 2025 | Grp 1 EP FP HP B-Spec Qual 2 | EP | 40 | Mazda RX-7 | 5/2 | 1:53.088Glen McCready | |||
| Cal Club 2025 | Grp 1 EP FP HP B-Spec Race 1 | EP | 40 | Mazda RX-7 | 2/5 | 1:56.573 | 1:54.714Glen McCready | +1.859s (1.62%) | 96.599.3 Glen McCready-2.8 mph (-2.8%) |
| Cal Club 2025 | Grp 1 EP FP HP B-Spec Qual 1 | EP | 40 | Mazda RX-7 | 2/5 | 1:56.468 | 1:54.367Glen McCready | +2.101s (1.84%) | 96.5107.8 Joe Carr-11.3 mph (-10.5%) |
| Cal Club 2025 | Fri AM | EP | 40 | Mazda RX-7 | 2/2 | 2:12.266 | 1:54.875Glen McCready | +17.391s (15.14%) | 104.9125.6 Glen McCready-20.7 mph (-16.5%) |
Portland International Raceway (1.97 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap |
|---|---|---|---|---|---|---|---|---|---|
| Oregon 2025 | Grp 1 EP FP HP B-Spec SM SMX Race 2 | EP | 40 | Mazda RX-7 | 4/5 | 1:26.970 | 1:25.715Austin Bradshaw | +1.255s (1.46%) | 124.4127.0 Austin Bradshaw-2.5 mph (-2.0%) |
| Oregon 2025 | Grp 1 EP FP HP B-Spec SM SMX Qual 2 | EP | 40 | Mazda RX-7 | 4 | ||||
| Oregon 2025 | Grp 1 EP FP HP B-Spec SM SMX Race 1 | EP | 40 | Mazda RX-7 | 3/6 | 1:25.750 | 1:23.358Austin Bradshaw | +2.392s (2.87%) | 127.6130.8 Austin Bradshaw-3.3 mph (-2.5%) |
| Oregon 2025 | Grp 1 EP FP HP B-Spec SM SMX Qual 1 | EP | 40 | Mazda RX-7 | 3/6 | 1:26.126 | 1:23.000Austin Bradshaw | +3.126s (3.77%) | 124.3130.4 Austin Bradshaw-6.1 mph (-4.7%) |
| Oregon Region Hoosier SCCA Super Tour @ Portland International Raceway | Grp 3 EP FP HP GTL B-Spec SM SMX Race 2 | EP | 40 | Mazda RX-7 | 3/3 | 1:24.637 | 1:24.637you | +0.000s (0.00%) | |
| Oregon Region Hoosier SCCA Super Tour @ Portland International Raceway | Grp 3 EP FP HP GTL B-Spec SM SMX Qual 2 | EP | 40 | Mazda RX-7 | 3/1 | 1:25.339Austin Bradshaw | |||
| Oregon Region Hoosier SCCA Super Tour @ Portland International Raceway | Grp 3 EP FP HP GTL B-Spec SM SMX Race 1 | EP | 40 | Mazda RX-7 | 1/3 | 1:25.611 | 1:25.519Austin Bradshaw | +0.092s (0.11%) | 125.8you |
| Oregon Region Hoosier SCCA Super Tour @ Portland International Raceway | Grp 3 EP FP HP GTL B-Spec SM SMX Qual 1 | EP | 40 | Mazda RX-7 | 2/3 | 1:26.570 | 1:25.220Austin Bradshaw | +1.350s (1.58%) | 125.6you |
Buttonwillow Raceway Park (2.92 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap |
|---|---|---|---|---|---|---|---|---|---|
| Cal Club 2024 | Grp 2 EP,FP,HP,GTL,B-Spec Race 2 | EP | 40 | Mazda RX-7 | 2/4 | 2:00.981 | 2:00.981you | +0.000s (0.00%) | 113.0113.3 Brandon Droese-0.3 mph (-0.3%) |
| Cal Club 2024 | Grp 2 EP,FP,HP,GTL,B-Spec Race 1 | EP | 40 | Mazda RX-7 | 1/4 | 2:02.014 | 2:02.014you | +0.000s (0.00%) | 113.6you |
| Cal Club 2024 | Grp 2 EP,FP,HP,GTL,B-Spec Qual 2 | EP | 40 | Mazda RX-7 | 3/3 | 2:03.243 | 2:02.432Joe Carr | +0.811s (0.66%) | 108.4110.7 Joe Carr-2.3 mph (-2.1%) |
| Cal Club 2024 | Grp 2 EP,FP,HP,GTL,B-Spec Qual 1 | EP | 40 | Mazda RX-7 | 3/3 | 2:06.900 | 2:03.730Joe Carr | +3.170s (2.56%) | 94.2108.4 Albert Correia-14.1 mph (-13.0%) |
| Cal Club 2024 | Grp 2 EP,FP,HP,GTL,B-Spec Prac | EP | 40 | Mazda RX-7 | 2/1 | 2:02.871Joe Carr |
Portland International Raceway (1.98 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap |
|---|---|---|---|---|---|---|---|---|---|
| Oregon Region Hoosier SCCA Super Tour @ Portland International Raceway | Grp 2 EP,FP,HP,GTL,B-Spec,T4,SM,SMX Race 2 | EP | 40 | Mazda RX7 | 5/5 | 1:24.965 | 1:24.965you | +0.000s (0.00%) | 125.2you |
| Oregon Region Hoosier SCCA Super Tour @ Portland International Raceway | Grp 2 EP,FP,HP,GTL,B-Spec,T4,SM,SMX Qual 2 | EP | 40 | Mazda RX7 | 2/5 | 1:26.855 | 1:24.204Austin Bradshaw | +2.651s (3.15%) | 120.6124.6 Austin Bradshaw-4.0 mph (-3.2%) |
| Oregon Region Hoosier SCCA Super Tour @ Portland International Raceway | Grp 2 EP,FP,HP,GTL,B-Spec,T4,SM,SMX Race 1 | EP | 40 | Mazda RX7 | 1/5 | 1:25.715 | 1:25.715you | +0.000s (0.00%) | |
| Oregon Region Hoosier SCCA Super Tour @ Portland International Raceway | Grp 2 EP,FP,HP,GTL,B-Spec,T4,SM,SMX Qual 1 | EP | 40 | Mazda RX7 | 2/5 | 1:25.329 | 1:24.508Austin Bradshaw | +0.821s (0.97%) |
Buttonwillow Raceway Park (1.83 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap |
|---|---|---|---|---|---|---|---|---|---|
| Cal Club 2023 | Grp 2 Race 2 | EP | 40 | Mazda RX7 (1980) | 4/5 | 1:14.524 | 1:13.861Glen McCready | +0.663s (0.90%) |
Buttonwillow Raceway Park (3.02 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap |
|---|---|---|---|---|---|---|---|---|---|
| Cal Club 2023 | Grp 2 EP,FP,HP,GTL,B-Spec Qual 1 | EP | 40 | Mazda RX-7 (1980) | 4/3 | 2:29.862Glen McCready |
Indianapolis Motor Speedway (2.59 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap |
|---|---|---|---|---|---|---|---|---|---|
| Runoffs 2021 | EP Race | EP | 40 | Mazda RX-7 | 9/27 | 1:55.765 | 1:49.928Jesse Prather | +5.837s (5.31%) | 128.1143.4 Jon Brakke-15.3 mph (-10.7%) |
| Runoffs 2021 | EP Qual 3 | EP | 40 | Mazda RX-7 | 13/27 | 1:55.473 | 1:48.181Jesse Prather | +7.292s (6.74%) | 127.3143.0 Bill Lamkin-15.8 mph (-11.0%) |
| Runoffs 2021 | EP Qual 2 | EP | 40 | Mazda RX-7 | 14/30 | 1:57.390 | 1:48.864Jesse Prather | +8.526s (7.83%) | 124.8142.3 Bill Lamkin-17.5 mph (-12.3%) |
| Runoffs 2021 | EP Qual 1 | EP | 40 | Mazda RX-7 | 18/31 | 1:59.668 | 1:49.901Matt Reynolds | +9.767s (8.89%) | 117.1143.0 Jesse Prather-25.9 mph (-18.1%) |
| Runoffs 2021 | Grp 5 Run 2 EP,STL,STU Mon | EP | 40x | Mazda RX-7 | 17/17 | 2:13.571 | 1:52.298Matt Reynolds | +21.273s (18.94%) | 97.5143.7 Jon Brakke-46.2 mph (-32.1%) |
Unknown track (4.05 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap |
|---|---|---|---|---|---|---|---|---|---|
| Runoffs 2020 | Grp 1 Run 2 EP,FP,GTL,HP,B-Spec | EP | 40 | Mazda RX-7 | 6/4 | 2:30.430Matt Reynolds | |||
| Runoffs 2020 | Grp 1 Run 1 EP,FP,GTL,HP,B-Spec | EP | 40 | Mazda RX-7 | 6/6 | 3:12.962 | 2:31.016Matt Reynolds | +41.946s (27.78%) | 98.5135.8 Matt Reynolds-37.3 mph (-27.5%) |
| Runoffs 2020 | Grp 1 Run 2 EP,FP,GTL,HP,STL | EP | 40 | Mazda RX-7 | 7/9 | 2:35.655 | 2:29.662Matt Reynolds | +5.993s (4.00%) | 128.0141.0 William Lamkin-13.0 mph (-9.2%) |
Sonoma Raceway (2.52 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap |
|---|---|---|---|---|---|---|---|---|---|
| Runoffs 2018 | EP Race | EP | 40 | Mazda RX-7 | 11/16 | 1:52.512 | 1:46.518Glen McCready | +5.994s (5.63%) | 92.7106.5 Aaron Downey-13.7 mph (-12.9%) |
| Runoffs 2018 | EP/GTL Qual 3 | EP | 40 | Mazda RX-7 | 12/17 | 1:54.514 | 1:46.057Glen McCready | +8.457s (7.97%) | 88.5104.4 Aaron Downey-15.8 mph (-15.2%) |
| Runoffs 2018 | EP/GTL Qual 2 | EP | 40 | Mazda RX-7 | 14/17 | 1:56.955 | 1:45.828Glen McCready | +11.127s (10.51%) | 84.3103.0 Matt Reynolds-18.6 mph (-18.1%) |
| Runoffs 2018 | EP/GTL Qual 1 | EP | 40 | Mazda RX-7 | 15/16 | 2:05.518 | 1:47.372Matt Reynolds | +18.146s (16.90%) | 82.6105.2 Aaron Downey-22.6 mph (-21.5%) |