SM Tire Limiting Proposal
#28582 from Alan Leukhardt III · Taken care of · Minutes (2019-05 Fastrack)
Thank you for taking the time to respond to the WDYT. Please see response to initial request letter #27041 in the May Fastrack.
BoP Lab / Drivers / Alan Leukhardt III
Alan Leukhardt III 1 letter to Fastrack
SCCA member 302520 · also timed as Alan Leukhardt IV
Overall · since 2016
8entries
13starts
0wins
1podiums
2top 5
P3best finish
P10.7avg finish
0fastest laps
0poles
1DNFs
3DNS
188laps raced
7seasons
3tracks
2classes
Super Tour · since 2018
6entries
11starts
0wins
1podiums
2top 5
P3best finish
P9.6avg finish
0fastest laps
0poles
1DNFs
2DNS
152laps raced
6seasons
1tracks
1classes
Majors · since 2016
2entries
2starts
0wins
0podiums
0top 5
P13best finish
P16avg finish
0fastest laps
0poles
0DNFs
1DNS
36laps raced
1seasons
2tracks
2classes
Against the front of the class, by track and class
| Track | Class | Sessions | Typical gap to class best | Closest |
|---|---|---|---|---|
| Buttonwillow Raceway Park · Circuit (2.57 mi) | SM | 8 | +6.421s (5.27%) | +4.738s (3.86%) |
| Buttonwillow Raceway Park (2.92 mi) | SM | 13 | +2.846s (2.28%) | +1.097s (0.87%) |
| Buttonwillow Raceway Park (3.02 mi) | SM | 4 | +3.297s (2.58%) | +3.182s (2.49%) |
| Willow Springs Raceway | SM | 3 | +3.523s (3.66%) | +2.795s (2.89%) |
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.
Every session
Buttonwillow Raceway Park · Circuit (2.57 mi)
| Event | Date | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap | 5-lap stint | Consistency |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Super Tour Feb 2026 · Circuit | 2026-02-22 | Grp 2 SM SMX Race 2 | SM | 17 | Mazda Miata (1999) | 18/15 | 2:02.486William Rasmussen | |||||||
| Super Tour Feb 2026 · Circuit | 2026-02-22 | Grp 2 SM SMX Qual 2 | SM | 17 | Mazda Miata (1999) | 13/17 | 2:08.684 | 2:01.392Ryan Busk | +7.292s (6.01%) | 116.714/17 | 124.6David Mitchell | -8.0 mph (-6.4%) | ||
| Super Tour Feb 2026 · Circuit | 2026-02-21 | Grp 2 SM SMX Race 1 | SM | 17 | Mazda Miata (1999) | 12/17 | 2:10.910 | 2:02.750Ryan Busk | +8.160s (6.65%) | 115.713/17 | 126.2Jake Johnson | -10.5 mph (-8.3%) | 2:11.189 | +0.817 |
| Super Tour Feb 2026 · Circuit | 2026-02-21 | Grp 2 SM SMX Qual 1 | SM | 17 | Mazda Miata (1999) | 11/17 | 2:07.349 | 2:02.611Nick Leverone | +4.738s (3.86%) | 120.911/17 | 127.3Sam Rezai | -6.4 mph (-5.0%) | ||
| Super Tour Feb 2025 · Circuit | 2025-02-23 | Grp 2 SM SMX Race 2 | SM | 17 | Mazda Miata (1999) | 11/14 | 2:08.221 | 2:01.800Evan Jacobs | +6.421s (5.27%) | 96.813/14 | 103.9Evan Jacobs | -7.1 mph (-6.8%) | 2:09.418 | +1.496 |
| Super Tour Feb 2025 · Circuit | 2025-02-23 | Grp 2 SM SMX Qual 2 | SM | 17 | Mazda Miata (1999) | 13/15 | 2:07.339 | 2:00.831William Wallis | +6.508s (5.39%) | 99.08/15 | 102.2Curtis Zhi | -3.2 mph (-3.1%) | ||
| Super Tour Feb 2025 · Circuit | 2025-02-22 | Grp 2 SM SMX Race 1 | SM | 17 | Mazda Miata (1999) | 13/16 | 2:07.598 | 2:01.650Nick Leverone | +5.948s (4.89%) | 95.713/16 | 102.6Sophia Storey | -6.8 mph (-6.7%) | 2:08.347 | +2.314 |
| Super Tour Feb 2025 · Circuit | 2025-02-22 | Grp 2 SM SMX Qual 1 | SM | 17 | Mazda Miata (1999) | 14/16 | 2:06.617 | 2:01.608Evan Jacobs | +5.009s (4.12%) | 94.815/16 | 102.2William Wallis | -7.3 mph (-7.2%) |
Buttonwillow Raceway Park (2.92 mi)
| Event | Date | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap | 5-lap stint | Consistency |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Super Tour Feb 2024 | 2024-02-25 | Grp 1 SM,SMX Race 2 | SM | 7 | Mazda Miata (1999) | 5/10 | 2:07.607 | 2:06.510Wyatt Couch | +1.097s (0.87%) | 100.66/10 | 101.1Austin Varco | -0.5 mph (-0.5%) | 2:08.141 | +0.888 |
| Super Tour Feb 2024 | 2024-02-24 | Grp 1 SM,SMX Race 1 | SM | 7 | Mazda Miata (1999) | 6/11 | 2:08.809 | 2:07.304Wyatt Couch | +1.505s (1.18%) | 98.69/11 | 101.9Evan Jacobs | -3.3 mph (-3.3%) | 2:09.974 | +1.791 |
| Super Tour Feb 2024 | 2024-02-24 | Grp 1 SM,SMX Qual 2 | SM | 7 | Mazda Miata (1999) | 11/10 | 2:05.480Evan Jacobs | |||||||
| Super Tour Feb 2024 | 2024-02-23 | Grp 1 SM,SMX Qual 1 | SM | 7 | Mazda Miata (1999) | 6/10 | 2:08.150 | 2:06.987Austin Varco | +1.163s (0.92%) | 98.07/9 | 99.5Ren Messinger | -1.6 mph (-1.6%) | ||
| Super Tour Feb 2022 | 2022-02-20 | Grp 1 SM Race 2 | SM | 17 | Mazda Miata | 11/14 | 2:09.810 | 2:05.933Evan Jacobs | +3.877s (3.08%) | 97.013/14 | 102.6Evan Jacobs | -5.6 mph (-5.5%) | 2:10.337 | +0.826 |
| Super Tour Feb 2022 | 2022-02-19 | Grp 1 SM Race 1 | SM | 7 | Mazda Miata | 7/15 | 2:07.867 | 2:06.660Evan Jacobs | +1.207s (0.95%) | 99.38/15 | 101.1Curtis Gong | -1.8 mph (-1.8%) | 2:08.898 | +2.222 |
| Super Tour Feb 2022 | 2022-02-18 | Grp 1 SM Qual 2 | SM | 17 | Mazda Miata | 8/13 | 2:08.042 | 2:05.545Austin Varco | +2.497s (1.99%) | 97.611/13 | 101.0Evan Jacobs | -3.4 mph (-3.3%) | ||
| Super Tour Feb 2022 | 2022-02-18 | Grp 1 SM Qual 1 | SM | 7 | Mazda Miata | 7/13 | 2:09.550 | 2:06.271Ryan Gutile | +3.279s (2.60%) | 97.39/13 | 100.4Ryan Gutile | -3.1 mph (-3.1%) | ||
| Super Tour Feb 2022 | 2022-02-17 | Afternoon | SM | 7 | Mazda Miata | 3/4 | 2:09.660 | 2:03.977Bill Nelson | +5.683s (4.58%) | 98.74/4 | 119.5Bill Nelson | -20.8 mph (-17.4%) | 2:10.601 | +1.384 |
| Super Tour Apr 2018 | 2018-04-29 | Grp 2 SM Race 2 | SM | 15 | Mazda Miata | 23/24 | 2:11.463 | 2:04.872Mark Drennan | +6.591s (5.28%) | 2:18.603 | +1.907 | |||
| Super Tour Apr 2018 | 2018-04-28 | Grp 2 SM Race 1 | SM | 15 | Mazda Miata | 16/27 | 2:10.526 | 2:05.500Nick Sommers | +5.026s (4.00%) | 2:11.329 | +1.421 | |||
| Super Tour Apr 2018 | 2018-04-28 | Grp 2 SM Qual 2 | SM | 17 | Mazda Miata | 15/26 | 2:07.740 | 2:04.894Mark Drennan | +2.846s (2.28%) | |||||
| Super Tour Apr 2018 | 2018-04-27 | Grp 2 SM Qual 1 | SM | 17 | Mazda Miata | 22/25 | 2:11.583 | 2:05.568Mark Drennan | +6.015s (4.79%) |
Buttonwillow Raceway Park (3.02 mi)
| Event | Date | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap | 5-lap stint | Consistency |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Super Tour Feb 2021 | 2021-02-21 | Grp 4 SM Race 2 | SM | 17 | Mazda Miata | 12/14 | 2:11.328 | 2:08.031Tommy McCarthy | +3.297s (2.58%) | 98.712/14 | 102.3Ryan Gutile | -3.6 mph (-3.5%) | 2:12.183 | +1.363 |
| Super Tour Feb 2021 | 2021-02-20 | Grp 4 SM Race 1 | SM | 17 | Mazda Miata | 13/12 | 2:08.066Tommy McCarthy | |||||||
| Super Tour Feb 2021 | 2021-02-20 | Grp 4 SM Qual 2 | SM | 17 | Mazda Miata | 8/13 | 2:10.979 | 2:07.797Curtis Gong | +3.182s (2.49%) | 97.68/13 | 99.2Curtis Gong | -1.5 mph (-1.6%) | ||
| Super Tour Feb 2021 | 2021-02-19 | Grp 4 SM Qual 1 | SM | 7 | Mazda Miata | 7/12 | 2:12.399 | 2:08.797Tommy McCarthy | +3.602s (2.80%) | 99.45/12 | 100.0Boris Said Jr | -0.6 mph (-0.6%) |
Willow Springs Raceway
| Event | Date | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap | 5-lap stint | Consistency |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Majors Feb 2016 | 2016-02-21 | Feature Race Provisional Gr 7 | SM | 17 | 13/20 | 1:39.644 | 1:36.849Dakota Dickerson | +2.795s (2.89%) | 1:40.174 | +2.113 | ||||
| Majors Feb 2016 | 2016-02-20 | Race Saturday OFFICIAL Gr 7 | SM | 17 | 19/22 | 1:39.701 | 1:36.178Clement Lee | +3.523s (3.66%) | ||||||
| Majors Feb 2016 | 2016-02-20 | Race Saturday Provisional Gr 7 | SM | 17 | 19/22 | 1:39.701 | 1:36.178Clement Lee | +3.523s (3.66%) | 1:39.971 | +1.111 |