Driver history for Geoff Isringhausen Sr
See predictions of lap times at various tracksFastest Lap Times as a solo driver
| Track | Name | Class | Current Class |
Lap Time | Class Record |
Percentage of Record |
Date | Number of other racers |
|---|---|---|---|---|---|---|---|---|
| Gateway Motorsports Park | GEOFF ISRINGHAUSEN | GTB1 | GTB1 | 1:06.892 | 1:06.629 | 99.6 | 2016-04-23 | 3 |
| Road America | GEOFF ISRINGHAUSEN | GTD | GTD1 | 2:21.244 | 2:20.042 | 99.1 | 2017-09-04 | 26 |
| VIR | GEOFF ISRINGHAUSEN | GTB1 | GTB1 | 2:01.531 | 1:59.224 | 98.1 | 2017-06-25 | 70 |
| Sebring | GEOFF ISRINGHAUSEN | GTB1 | GTB1 | 2:19.801 | 2:16.973 | 98.0 | 2016-02-07 | 138 |
| Brainerd | GEOFF ISRINGHAUSEN | GTB1 | GTB1 | 1:45.618 | 1:43.348 | 97.9 | 2016-07-24 | 24 |
| Daytona | GEOFF ISRINGHAUSEN | GTB1 | GTB1 | 2:02.045 | 1:59.137 | 97.6 | 2017-10-29 | 42 |
| COTA | GEOFF ISRINGHAUSEN | GTC7 | GTC7 | 2:17.440 | 2:14.052 | 97.5 | 2021-02-26 | 16 |
| Sebring | GEOFF ISRINGHAUSEN | GT3 | GT3 | 2:17.432 | 2:13.961 | 97.5 | 2015-02-01 | 56 |
| VIR | GEOFF ISRINGHAUSEN | GTA2 | GTA2 | 1:53.063 | 1:50.190 | 97.5 | 2019-06-23 | 35 |
| Road America | GEOFFREY ISRINGHAUSEN JR | GTB1 | GTB1 | 2:24.526 | 2:20.852 | 97.5 | 2017-09-03 | 80 |
| NOLA | GEOFF ISRINGHAUSEN | GTB1 | GTB1 | 1:50.373 | 1:47.496 | 97.4 | 2016-04-17 | 12 |
| Brainerd | GEOFF ISRINGHAUSEN | GTA2 | GTA2 | 1:39.646 | 1:36.976 | 97.3 | 2020-07-26 | 7 |
| VIR | GEOFF ISRINGHAUSEN | GTC7 | GTC7 | 1:53.757 | 1:50.447 | 97.1 | 2021-06-18 | 16 |
| Watkins Glen | GEOFF ISRINGHAUSEN | GTC7 | GTC7 | 1:54.330 | 1:50.949 | 97.0 | 2022-06-19 | 29 |
| Road Atlanta | GEOFF ISRINGHAUSEN | GT4CS M | GT4CS M | 1:34.310 | 1:31.516 | 97.0 | 2016-04-03 | 8 |
| Road Atlanta | GEOFF ISRINGHAUSEN | GTB1 | GTB1 | 1:33.340 | 1:30.382 | 96.8 | 2017-04-01 | 86 |
| Watkins Glen | GEOFF ISRINGHAUSEN | GTB1 | GTB1 | 2:03.705 | 1:59.661 | 96.7 | 2017-06-02 | 126 |
| Road Atlanta | GEOFF ISRINGHAUSEN | GTD2 | GTD2 | 1:31.228 | 1:28.008 | 96.5 | 2022-04-09 | 13 |
| Road America | GEOFF ISRINGHAUSEN | GTA2 | GTA2 | 2:14.883 | 2:09.986 | 96.4 | 2019-08-31 | 47 |
| Road Atlanta | GEOFF ISRINGHAUSEN | GTA4 | GTA4 | 1:26.948 | 1:23.677 | 96.2 | 2023-04-15 | 13 |
| Sebring | GEOFF ISRINGHAUSEN | GTA4 | GTA4 | 2:09.559 | 2:04.389 | 96.0 | 2023-02-03 | 14 |
| Road Atlanta | GEOFF ISRINGHAUSEN | GT3 | GT3 | 1:31.393 | 1:27.524 | 95.8 | 2018-04-08 | 37 |
| Watkins Glen | GEOFF ISRINGHAUSEN | GT3 | GT3 | 2:00.743 | 1:55.599 | 95.7 | 2018-06-02 | 36 |
| COTA | GEOFF ISRINGHAUSEN | GTB1 | GTB1 | 2:28.577 | 2:22.176 | 95.7 | 2017-03-05 | 43 |
| NJMP Thunderbolt with Chicane | GEOFF ISRINGHAUSEN | GTB1 | GTB1 | 1:34.823 | 1:30.457 | 95.4 | 2012-05-13 | 13 |
| Road Atlanta | GEOFF ISRINGHAUSEN | GTC7 | GTC7 | 1:28.212 | 1:23.918 | 95.1 | 2021-04-09 | 28 |
| Watkins Glen | GEOFF ISRINGHAUSEN | GTA2 | GTA2 | 1:55.870 | 1:50.074 | 95.0 | 2019-06-01 | 66 |
| COTA | GEOFF ISRINGHAUSEN | GTA2 | GTA2 | 2:19.297 | 2:11.758 | 94.6 | 2019-03-30 | 50 |
| Road America | GEOFF ISRINGHAUSEN | GT3 | GT3 | 2:23.795 | 2:15.606 | 94.3 | 2018-09-03 | 46 |
| Sebring | GEOFF ISRINGHAUSEN | GTA2 | GTA2 | 2:11.341 | 2:02.716 | 93.4 | 2020-02-02 | 96 |
| Road Atlanta | GEOFF ISRINGHAUSEN | GTA2 | GTA2 | 1:27.569 | 1:21.708 | 93.3 | 2020-09-25 | 36 |
| Laguna Seca | GEOFF ISRINGHAUSEN | GT3 | GT3 | 1:36.542 | 1:29.043 | 92.2 | 2018-09-29 | 34 |
| Road America | GEOFF ISRINGHAUSEN | GTC7 | GTC7 | 2:15.723 | 1:37.532 | 71.9 | 2024-09-01 | 35 |
Fastest Lap Times with a co-driver
| Track | Name | Class | Current Class |
Lap Time | Class Record |
Percentage of Record |
Date | Number of other racers |
|---|---|---|---|---|---|---|---|---|
| Road America | G ISRINGHAUSEN / D CLARKE | GTD | GTD1 | 2:22.221 | 2:20.042 | 98.5 | 2017-09-04 | 26 |
| Road Atlanta | G. ISRINGHAUSEN / D. CLARKE | GTB1 | GTB1 | 1:32.531 | 1:30.382 | 97.7 | 2014-03-30 | 86 |
| Sebring | G ISRINGHAUSEN / R POBST | GTB1 | GTB1 | 2:22.581 | 2:16.973 | 96.1 | 2012-02-05 | 138 |
| Daytona | ANDREW MARKS/ GEOFF INRINGHAUSEN | GTB1 | GTB1 | 2:04.213 | 1:59.137 | 95.9 | 2015-10-25 | 42 |
| Road America | ISRINGHAUSEN / D CLARKE | GTB1 | GTB1 | 2:27.590 | 2:20.852 | 95.4 | 2012-09-02 | 80 |
| Watkins Glen | G ISRINGHAUSEN JR / G ISRINGHAUSEN SR | GTB1 | GTB1 | 2:12.478 | 1:59.661 | 90.3 | 2015-05-31 | 126 |
Race Results Summary
| Number of Races | Class Wins | Class Podiums | Group Wins | Group Podiums |
|---|---|---|---|---|
| 171 | 40 (23%) | 90 (53%) | 5 (3%) | 17 (10%) |
Race Results Details
| Date | Name | Track | Race | Class | Best Lap | Overall Position |
Position in Class |
|---|---|---|---|---|---|---|---|
| 2024-09-01 | GEOFF ISRINGHAUSEN | Road America | Red - Sprint 2 | GTC7 | 2:15.723 | 15 / 48 | 4 / 8 |
| 2024-09-01 | GEOFF ISRINGHAUSEN | Road America | Red - Sprint 1 | GTC7 | 2:15.825 | 18 / 50 | 5 / 8 |
| 2024-02-03 | GEOFF ISRINGHAUSEN | Sebring | RED - SPRINT 2 | GTA4 | 2:10.471 | 14 / 50 | 5 / 6 |
| 2024-02-03 | GEOFF ISRINGHAUSEN | Sebring | RED - SPRINT 1 | GTA4 | 2:12.301 | 41 / 51 | 6 / 6 |
| 2023-04-15 | GEOFF ISRINGHAUSEN | Road Atlanta | Purple - Race 2 | GTA4 | 1:26.948 | DNF | DNF |
| 2023-04-15 | GEOFF ISRINGHAUSEN | Road Atlanta | Purple - Race 1 | GTA4 | 1:27.947 | 7 / 46 | 3 / 6 |
| 2023-02-04 | GEOFF ISRINGHAUSEN | Sebring | Red - Sprint 2 | GTA4 | 2:09.645 | 15 / 48 | 5 / 7 |
| 2023-02-04 | GEOFF ISRINGHAUSEN | Sebring | Red - Sprint 1 | GTA4 | 2:09.832 | 16 / 54 | 7 / 9 |
| 2022-06-19 | GEOFF ISRINGHAUSEN | Watkins Glen | White - Enduro | GTC7 | 1:54.330 | 6 / 35 | 4 / 9 |
| 2022-06-18 | GEOFF ISRINGHAUSEN | Watkins Glen | Red - Sprint 2 | GTC7 | 1:55.209 | 15 / 54 | 8 / 11 |
| 2022-06-18 | GEOFF ISRINGHAUSEN | Watkins Glen | Red - Sprint 1 | GTC7 | 1:58.043 | 22 / 56 | 10 / 12 |
| 2022-04-10 | GEOFF ISRINGHAUSEN | Road Atlanta | Blue Enduro - Enduro | GTD2 | 1:31.616 | 7 / 27 | 1 / 3 |
| 2022-04-09 | GEOFF ISRINGHAUSEN | Road Atlanta | Red - Sprint Race 2 | GTD2 | 1:31.228 | 19 / 44 | 4 / 5 |
| 2022-04-09 | GEOFF ISRINGHAUSEN | Road Atlanta | Red - Sprint Race 1 | GTD2 | 1:32.177 | 17 / 49 | 3 / 5 |
| 2021-09-06 | GEOFF ISRINGHAUSEN | Road America | Yellow - Enduro Race | GTC7 | 2:17.793 | 6 / 43 | 2 / 6 |
| 2021-09-05 | GEOFF ISRINGHAUSEN | Road America | Red - Sprint Race 2 | GTC7 | 2:16.964 | 7 / 68 | 1 / 8 |
| 2021-09-05 | GEOFF ISRINGHAUSEN | Road America | Red - Sprint Race 1 | GTC7 | 2:16.177 | 10 / 69 | 3 / 8 |
| 2021-06-20 | GEOFF ISRINGHAUSEN | VIR | Orange - Enduro | GTC7 | 1:54.534 | 6 / 26 | 2 / 5 |
| 2021-06-19 | GEOFF ISRINGHAUSEN | VIR | Black - Sprint #2 | GTC7 | 1:55.758 | 7 / 28 | 3 / 6 |
| 2021-06-19 | GEOFF ISRINGHAUSEN | VIR | Black - Sprint #1 | GTC7 | 1:55.192 | 12 / 32 | 4 / 7 |
| 2021-06-06 | GEOFF ISRINGHAUSEN | Watkins Glen | WHITE - ENDURO | GTC7 | 1:56.028 | 9 / 36 | 4 / 6 |
| 2021-06-05 | GEOFF ISRINGHAUSEN | Watkins Glen | RED - SPRINT RACE 2 | GTC7 | 1:56.396 | 9 / 49 | 4 / 6 |
| 2021-06-05 | GEOFF ISRINGHAUSEN | Watkins Glen | RED - SPRINT RACE 1 | GTC7 | 1:57.488 | 10 / 55 | 4 / 8 |
| 2021-04-11 | GEOFF ISRINGHAUSEN | Road Atlanta | Blue - Enduro | GTC7 | 1:28.558 | 10 / 47 | 3 / 6 |
| 2021-04-10 | GEOFF ISRINGHAUSEN | Road Atlanta | Red - Sprint 2 | GTC7 | 1:50.486 | 4 / 37 | 1 / 5 |
| 2021-04-10 | GEOFF ISRINGHAUSEN | Road Atlanta | Red - Sprint 1 | GTC7 | 1:42.772 | 7 / 34 | 3 / 5 |
| 2021-02-28 | GEOFF ISRINGHAUSEN | COTA | Red/Blue Enduro - Enduro | GTC7 | 2:19.380 | 3 / 52 | 2 / 3 |
| 2021-02-27 | GEOFF ISRINGHAUSEN | COTA | Blue - Sprint 2 | GTC7 | 2:18.661 | 7 / 29 | 3 / 3 |
| 2021-02-27 | GEOFF ISRINGHAUSEN | COTA | Blue - Sprint 1 | GTC7 | 2:19.743 | 6 / 29 | 3 / 3 |
| 2021-02-06 | GEOFF ISRINGHAUSEN | Sebring | Red - Sprint 2 | GTA2 | 2:12.935 | 22 / 49 | 1 / 2 |
| 2021-02-06 | GEOFF ISRINGHAUSEN | Sebring | Red - Sprint 1 | GTA2 | 2:13.761 | 16 / 55 | 1 / 3 |
| 2020-09-27 | GEOFF ISRINGHAUSEN | Road Atlanta | Blue - Enduro | GTA2 | 1:28.423 | 9 / 30 | 1 / 1 |
| 2020-09-26 | GEOFF ISRINGHAUSEN | Road Atlanta | Red - Sprint 2 | GTA2 | 1:28.046 | 8 / 43 | 1 / 1 |
| 2020-09-26 | GEOFF ISRINGHAUSEN | Road Atlanta | Red - Sprint 1 | GTA2 | 1:27.672 | 11 / 44 | 1 / 2 |
| 2020-09-25 | GEOFF ISRINGHAUSEN | Road Atlanta | Red - Practice Rolling Start | GTA2 | 1:27.569 | 8 / 24 | 1 / 1 |
| 2020-09-06 | GEOFF ISRINGHAUSEN | Road America | Red - Sprint 2 | GTA2 | 2:18.569 | 19 / 60 | 2 / 4 |
| 2020-09-06 | GEOFF ISRINGHAUSEN | Road America | Red - Sprint 1 | GTA2 | 2:19.364 | 51 / 64 | 4 / 4 |
| 2020-07-26 | GEOFF ISRINGHAUSEN | Brainerd | Loonacy - Enduro | GTA2 | 1:39.646 | 3 / 43 | 1 / 2 |
| 2020-07-25 | GEOFF ISRINGHAUSEN | Brainerd | Loonacy - Sprint #2 | GTA2 | 1:40.223 | 3 / 56 | 1 / 1 |
| 2020-07-25 | GEOFF ISRINGHAUSEN | Brainerd | Loonacy - Sprint #1 | GTA2 | 1:40.109 | 4 / 63 | 1 / 2 |
| 2020-02-02 | GEOFF ISRINGHAUSEN | Sebring | 6_Pink - Enduro | GTA2 | 2:11.341 | 20 / 66 | 2 / 4 |
| 2020-02-01 | GEOFF ISRINGHAUSEN | Sebring | 4_Blue - Sprint 2 | GTA2 | 2:11.815 | 10 / 56 | 2 / 6 |
| 2020-02-01 | GEOFF ISRINGHAUSEN | Sebring | 4_Blue - Sprint 1 | GTA2 | 2:38.403 | 17 / 36 | 3 / 5 |
| 2019-09-02 | GEOFF ISRINGHAUSEN | Road America | Yellow - Enduro | GTA2 | 2:18.106 | 3 / 50 | 1 / 5 |
| 2019-09-01 | GEOFF ISRINGHAUSEN | Road America | Red - Sprint #2 | GTA2 | 2:19.670 | 11 / 51 | 2 / 6 |
| 2019-06-23 | GEOFF ISRINGHAUSEN | VIR | Orange - Enduro | GTA2 | 1:53.063 | DNF | DNF |
| 2019-06-22 | GEOFF ISRINGHAUSEN | VIR | Black - Sprint #2 | GTA2 | 1:55.111 | 7 / 26 | 3 / 5 |
| 2019-06-22 | GEOFF ISRINGHAUSEN | VIR | Black - Sprint #1 | GTA2 | 1:54.016 | 6 / 27 | 3 / 5 |
| 2019-06-02 | GEOFF ISRINGHAUSEN | Watkins Glen | White - Enduro Race | GTA2 | 1:56.917 | 7 / 42 | 2 / 8 |
| 2019-06-01 | GEOFF ISRINGHAUSEN | Watkins Glen | Red - Sprint Race 2 | GTA2 | 1:55.977 | 10 / 64 | 1 / 9 |
| 2019-06-01 | GEOFF ISRINGHAUSEN | Watkins Glen | Red - Sprint Race 1 | GTA2 | 1:55.870 | 9 / 66 | 1 / 9 |
| 2019-04-14 | GEOFF ISRINGHAUSEN | Road Atlanta | Enduro Group B - Enduro | GTA2 | 1:40.760 | 4 / 22 | 2 / 4 |
| 2019-04-13 | GEOFF ISRINGHAUSEN | Road Atlanta | Green Group - Sprint 2 | GTA2 | 1:29.653 | 10 / 42 | 2 / 8 |
| 2019-04-13 | GEOFF ISRINGHAUSEN | Road Atlanta | Green Group - Sprint 1 | GTA2 | 1:28.855 | 7 / 44 | 2 / 8 |
| 2019-03-31 | GEOFF ISRINGHAUSEN | COTA | 4. Blue Group - Enduro | GTA2 | 2:19.342 | 8 / 43 | 1 / 5 |
| 2019-03-30 | GEOFF ISRINGHAUSEN | COTA | 4. Blue Group - Sprint 2 | GTA2 | 2:19.297 | 9 / 49 | 1 / 5 |
| 2019-03-30 | GEOFF ISRINGHAUSEN | COTA | 4. Blue Group - Sprint 1 | GTA2 | 2:20.451 | 8 / 51 | 1 / 5 |
| 2019-02-03 | GEOFF ISRINGHAUSEN | Sebring | 7. Pink - Enduro | GTA2 | 2:13.304 | 3 / 45 | 1 / 11 |
| 2019-02-02 | GEOFF ISRINGHAUSEN | Sebring | 4. Blue - Sprint 2 | GTA2 | 2:12.932 | 30 / 57 | 8 / 12 |
| 2019-02-02 | GEOFF ISRINGHAUSEN | Sebring | 4. Blue - Sprint 1 | GTA2 | 2:14.044 | 48 / 65 | 8 / 11 |
| 2018-09-30 | GEOFF ISRINGHAUSEN | Laguna Seca | Group 1 - Race | GT3 | 1:36.970 | 9 / 50 | 1 / 5 |
| 2018-09-03 | GEOFFREY ISRINGHAUSEN JR | Road America | 1. Yellow Enduro - Yellow Enduro Race | GTB1 | 2:26.755 | 22 / 33 | 3 / 5 |
| 2018-09-03 | GEOFF ISRINGHAUSEN | Road America | 1. Yellow Enduro - Yellow Enduro Race | GT3 | 2:23.795 | 15 / 33 | 1 / 2 |
| 2018-09-02 | GEOFF ISRINGHAUSEN | Road America | 4. Red - Red 4 Race 2 | GT3 | 2:38.184 | 18 / 27 | 1 / 1 |
| 2018-09-02 | GEOFF ISRINGHAUSEN | Road America | 4. Red - Red 4 Race 1 | GT3 | 2:24.800 | 32 / 46 | 1 / 3 |
| 2018-09-02 | GEOFFREY ISRINGHAUSEN JR | Road America | 2. Blue - Blue 2 Race 2 | GTB1 | 2:27.325 | 2 / 43 | 2 / 16 |
| 2018-09-02 | GEOFFREY ISRINGHAUSEN JR | Road America | 2. Blue - Blue 2 Race 1 | GTB1 | 2:25.049 | 4 / 49 | 4 / 17 |
| 2018-06-03 | GEOFF ISRINGHAUSEN | Watkins Glen | 4 White - Enduro Race | GT3 | 2:05.013 | 16 / 44 | 1 / 3 |
| 2018-06-02 | GEOFF ISRINGHAUSEN | Watkins Glen | 4 Red - Sprint Race 2 | GT3 | 2:00.743 | 28 / 50 | 2 / 7 |
| 2018-06-02 | GEOFF ISRINGHAUSEN | Watkins Glen | 4 Red - Sprint Race 1 | GT3 | 2:03.001 | 29 / 58 | 2 / 7 |
| 2018-04-08 | GEOFFREY ISRINGHAUSEN JR | Road Atlanta | 2. Gold Enduro - Enduro | GTB1 | 1:35.471 | 25 / 40 | 6 / 8 |
| 2018-04-08 | GEOFF ISRINGHAUSEN | Road Atlanta | 2. Gold Enduro - Enduro | GT3 | 1:31.393 | 14 / 40 | 1 / 2 |
| 2018-04-07 | GEOFF ISRINGHAUSEN | Road Atlanta | 4. Green Sprint - Sprint 2 | GT3 | 1:32.181 | 24 / 33 | 1 / 2 |
| 2018-04-07 | GEOFF ISRINGHAUSEN | Road Atlanta | 4. Green Sprint - Sprint 1 | GT3 | 1:31.548 | 21 / 32 | 1 / 2 |
| 2018-04-07 | GEOFFREY ISRINGHAUSEN JR | Road Atlanta | 2. Blue Sprint - Sprint 2 | GTB1 | 1:35.644 | 9 / 48 | 6 / 11 |
| 2018-04-07 | GEOFFREY ISRINGHAUSEN JR | Road Atlanta | 2. Blue Sprint - Sprint 1 | GTB1 | 1:35.932 | 14 / 41 | 6 / 8 |
| 2018-02-04 | GEOFFREY ISRINGHAUSEN JR | Sebring | 2. Purple - Enduro | GTB1 | 2:21.300 | 6 / 43 | 6 / 18 |
| 2018-02-04 | GEOFF ISRINGHAUSEN | Sebring | 2. Purple - Enduro | GTB1 | 2:20.866 | 5 / 43 | 5 / 18 |
| 2018-02-03 | GEOFF ISRINGHAUSEN | Sebring | 3. Red - Sprint #2 | GTB1 | 4:06.267 | DNF | DNF |
| 2018-02-03 | GEOFFREY ISRINGHAUSEN JR | Sebring | 3. Red - Sprint #2 | GTB1 | 2:43.153 | DNF | DNF |
| 2018-02-03 | GEOFFREY ISRINGHAUSEN JR | Sebring | 3. Red - Sprint #1 | GTB1 | 3:55.631 | DNF | DNF |
| 2018-02-03 | GEOFF ISRINGHAUSEN | Sebring | 3. Red - Sprint #1 | GTB1 | 2:20.178 | DNF | DNF |
| 2017-10-29 | GEOFF ISRINGHAUSEN | Daytona | 1. PINK ENDURO - Enduro Race | GTB1 | 2:02.045 | 2 / 19 | 2 / 6 |
| 2017-10-28 | GEOFF ISRINGHAUSEN | Daytona | 1. BLUE SPRINT - Sprint 2 | GTB1 | 2:03.576 | 8 / 34 | 4 / 8 |
| 2017-10-28 | GEOFF ISRINGHAUSEN | Daytona | 1. BLUE SPRINT - Sprint 1 | GTB1 | 2:04.256 | 14 / 38 | 6 / 9 |
| 2017-09-04 | G ISRINGHAUSEN / D CLARKE | Road America | 4. Yellow Enduro - Enduro | GTD | 2:22.221 | DNF | DNF |
| 2017-09-04 | GEOFFREY ISRINGHAUSEN JR | Road America | 4. Yellow Enduro - Enduro | GTB1 | 2:24.956 | 25 / 52 | 4 / 9 |
| 2017-09-03 | GEOFF ISRINGHAUSEN | Road America | 4. Red Sprint - Sprint 2 | GTD | 2:26.578 | 36 / 45 | 4 / 4 |
| 2017-09-03 | GEOFF ISRINGHAUSEN | Road America | 4. Red Sprint - Sprint 1 | GTD | 2:25.863 | 35 / 51 | 3 / 4 |
| 2017-09-03 | GEOFFREY ISRINGHAUSEN JR | Road America | 2. Blue Sprint - Sprint 2 | GTB1 | 2:26.875 | DNF | DNF |
| 2017-09-03 | GEOFFREY ISRINGHAUSEN JR | Road America | 2. Blue Sprint - Sprint 1 | GTB1 | 2:24.526 | 3 / 47 | 2 / 15 |
| 2017-06-25 | GEOFF ISRINGHAUSEN | VIR | Red Checkered - Enduro | GTB1 | 2:01.531 | 12 / 33 | 2 / 12 |
| 2017-06-24 | GEOFF ISRINGHAUSEN | VIR | Red - Sprint #2 | GTB1 | 2:27.674 | 9 / 38 | 2 / 11 |
| 2017-06-24 | GEOFF ISRINGHAUSEN | VIR | Red - Sprint #1 | GTB1 | DNF | DNF | |
| 2017-06-04 | GEOFF ISRINGHAUSEN | Watkins Glen | Purple - Enduro | GTB1 | 2:15.095 | 8 / 35 | 7 / 13 |
| 2017-06-03 | GEOFF ISRINGHAUSEN | Watkins Glen | Yellow - Sprint 2 | GTB1 | 2:04.768 | 17 / 55 | 14 / 23 |
| 2017-06-03 | GEOFF ISRINGHAUSEN | Watkins Glen | Yellow - Sprint 1 | GTB1 | 2:05.169 | 19 / 57 | 14 / 22 |
| 2017-05-21 | GEOFF ISRINGHAUSEN | Gateway Motorsports Park | SPRINT GROUP A - SPRINT RACE 2 | GTB1 | 1:07.718 | 1 / 13 | 1 / 3 |
| 2017-05-21 | GEOFF ISRINGHAUSEN | Gateway Motorsports Park | ENDURO GROUP B - ENDURO | GTB1 | 1:07.354 | 1 / 12 | 1 / 3 |
| 2017-05-20 | GEOFF ISRINGHAUSEN | Gateway Motorsports Park | SPRINT GROUP A - SPRINT RACE 1 | GTB1 | 1:07.514 | 3 / 17 | 2 / 3 |
| 2017-04-02 | GEOFF ISRINGHAUSEN | Road Atlanta | 6: Gold Enduro B Enduro (90min) | GTB1 | 1:34.402 | 26 / 40 | 6 / 7 |
| 2017-04-01 | GEOFF ISRINGHAUSEN | Road Atlanta | 3: Blue Race 3 Sprint Race 2 | GTB1 | 1:33.340 | 3 / 46 | 3 / 10 |
| 2017-04-01 | GEOFF ISRINGHAUSEN | Road Atlanta | 3: Blue Race 3 Sprint Race 1 | GTB1 | 1:35.319 | 2 / 49 | 2 / 9 |
| 2017-03-05 | GEOFF ISRINGHAUSEN | COTA | Blue Enduro | GTB1 | 2:28.577 | 19 / 35 | 3 / 5 |
| 2017-03-04 | GEOFF ISRINGHAUSEN | COTA | Blue Sprint 2 | GTB1 | 2:59.353 | 13 / 37 | 2 / 3 |
| 2017-03-04 | GEOFF ISRINGHAUSEN | COTA | Blue Sprint 1 | GTB1 | 3:06.332 | 31 / 50 | 3 / 3 |
| 2017-02-05 | GEOFF ISRINGHAUSEN | Sebring | 5. Purple Enduro | GTB1 | 2:20.395 | 6 / 46 | 4 / 16 |
| 2017-02-04 | GEOFF ISRINGHAUSEN | Sebring | 3. Red Sprint Race #2 | GTB1 | 2:20.351 | 15 / 44 | 7 / 18 |
| 2017-02-04 | GEOFF ISRINGHAUSEN | Sebring | 3. Red Sprint Race #1 | GTB1 | 2:20.326 | 42 / 48 | 17 / 18 |
| 2016-09-05 | GEOFF ISRINGHAUSEN | Road America | Yellow Enduro Race | GTB1 | 2:26.574 | 36 / 49 | 10 / 11 |
| 2016-09-04 | GEOFF ISRINGHAUSEN | Road America | Blue Sprint Race 2 | GTB1 | 2:26.378 | 9 / 49 | 6 / 14 |
| 2016-09-04 | GEOFF ISRINGHAUSEN | Road America | Blue Sprint Race 1 | GTB1 | 2:27.467 | 16 / 50 | 10 / 15 |
| 2016-07-24 | GEOFF ISRINGHAUSEN | Brainerd | Porsche Minneapolis Sprint 2 | GTB1 | 1:46.068 | 7 / 42 | 1 / 3 |
| 2016-07-24 | GEOFF ISRINGHAUSEN | Brainerd | Enduro | GTB1 | 1:45.825 | 5 / 29 | 1 / 3 |
| 2016-07-23 | GEOFF ISRINGHAUSEN | Brainerd | Porsche Minneapolis Sprint 1 | GTB1 | 1:47.506 | 10 / 38 | 1 / 3 |
| 2016-06-26 | GEOFF ISRINGHAUSEN | VIR | 3.5: Red Checker Enduro (90min) | GTB1 | 2:02.020 | 21 / 43 | 4 / 7 |
| 2016-06-25 | GEOFF ISRINGHAUSEN | VIR | 3: Red Race Sprint Race 1 | GTB1 | 2:04.245 | 34 / 59 | 6 / 13 |
| 2016-06-25 | GEOFF ISRINGHAUSEN | VIR | 3: Red Race Sprint Race 2 | GTB1 | 2:03.137 | 28 / 53 | 4 / 11 |
| 2016-06-05 | GEOFF ISRINGHAUSEN | Watkins Glen | Purple Enduro | GTB1 | 2:27.738 | 6 / 32 | 4 / 7 |
| 2016-06-04 | GEOFF ISRINGHAUSEN | Watkins Glen | Yellow Sprint 2 | GTB1 | 2:05.175 | 24 / 53 | 12 / 20 |
| 2016-06-04 | GEOFF ISRINGHAUSEN | Watkins Glen | Yellow Sprint 1 | GTB1 | 2:05.369 | 39 / 60 | 15 / 21 |
| 2016-04-24 | GEOFF ISRINGHAUSEN | Gateway Motorsports Park | Sprint Race 2 | GTB1 | 1:08.777 | 1 / 15 | 1 / 2 |
| 2016-04-24 | GEOFF ISRINGHAUSEN | Gateway Motorsports Park | Enduro | GTB1 | 1:08.366 | 1 / 12 | 1 / 2 |
| 2016-04-23 | GEOFF ISRINGHAUSEN | Gateway Motorsports Park | Sprint Race 1 | GTB1 | 1:07.958 | 1 / 16 | 1 / 2 |
| 2016-04-17 | GEOFF ISRINGHAUSEN | NOLA | ENDURO E ENDURO | GTB1 | 1:50.373 | 8 / 36 | 3 / 4 |
| 2016-04-16 | GEOFF ISRINGHAUSEN | NOLA | GROUP A POINTS RACE | GTB1 | 1:52.096 | 9 / 18 | 2 / 5 |
| 2016-04-16 | GEOFF ISRINGHAUSEN | NOLA | GROUP A SPRINT 1 | GTB1 | 1:52.094 | 10 / 17 | 2 / 3 |
| 2016-04-03 | GEOFF ISRINGHAUSEN | Road Atlanta | 2: GT4 Club Sport Enduro (80 min) | GT4CS M | 1:36.289 | DNF | DNF |
| 2016-04-02 | GEOFF ISRINGHAUSEN | Road Atlanta | 2: GT4 Club Sport Sprint Race 2 | GT4CS M | 1:34.830 | 15 / 19 | 6 / 8 |
| 2016-04-02 | GEOFF ISRINGHAUSEN | Road Atlanta | 2: GT4 Club Sport Sprint Race 1 | GT4CS M | 1:34.676 | 12 / 19 | 5 / 8 |
| 2016-02-07 | GEOFF ISRINGHAUSEN | Sebring | PURPLE ENDURO | GTB1 | 2:19.801 | 4 / 51 | 3 / 19 |
| 2016-02-06 | GEOFF ISRINGHAUSEN | Sebring | RED SPRINT 2 | GTB1 | 2:38.560 | 4 / 29 | 3 / 17 |
| 2016-02-06 | GEOFF ISRINGHAUSEN | Sebring | RED SPRINT 1 | GTB1 | 2:19.898 | 14 / 51 | 8 / 25 |
| 2015-10-25 | ANDREW MARKS/ GEOFF INRINGHAUSEN | Daytona | Red Race Enduro (90 min) | GTB1 | 2:04.213 | 13 / 26 | 3 / 8 |
| 2015-09-07 | GEOFF ISRINGHAUSEN | Road America | Yellow Enduro | GTB1 | 2:25.988 | 9 / 38 | 1 / 7 |
| 2015-09-06 | GEOFF ISRINGHAUSEN | Road America | Blue Sprint 2 | GTB1 | 2:27.033 | 2 / 51 | 1 / 13 |
| 2015-09-06 | GEOFF ISRINGHAUSEN | Road America | Blue Sprint 1 | GTB1 | 2:26.963 | 4 / 53 | 1 / 14 |
| 2015-06-21 | GEOFF ISRINGHAUSEN | VIR | BLACK CHECKER ENDURO | GTB1 | 2:04.569 | 9 / 27 | 1 / 4 |
| 2015-06-20 | GEOFF ISRINGHAUSEN | VIR | RED SPRINT #2 | GTB1 | 2:06.359 | 11 / 37 | 5 / 8 |
| 2015-06-20 | GEOFF ISRINGHAUSEN | VIR | RED SPRINT #1 | GTB1 | 2:07.060 | 7 / 40 | 2 / 8 |
| 2015-05-31 | G ISRINGHAUSEN JR / G ISRINGHAUSEN SR | Watkins Glen | Purple Enduro | GTB1 | 2:30.856 | 6 / 38 | 6 / 12 |
| 2015-03-29 | GEOFF ISRINGHAUSEN | Road Atlanta | 5: Orange Enduro Enduro (90min) | GTB1 | 1:34.400 | 16 / 42 | 1 / 7 |
| 2015-03-28 | GEOFF ISRINGHAUSEN | Road Atlanta | 2: Blue Race Sprint Race 2 | GTB1 | 1:36.461 | 8 / 39 | 5 / 7 |
| 2015-03-28 | GEOFF ISRINGHAUSEN | Road Atlanta | 2: Blue Race Sprint Race 1 | GTB1 | 1:39.502 | 38 / 42 | 7 / 7 |
| 2015-01-31 | GEOFF ISRINGHAUSEN | Sebring | RED Sprint 2 | GT3 | 2:20.785 | DNF | DNF |
| 2015-01-31 | GEOFF ISRINGHAUSEN | Sebring | RED Sprint 1 | GT3 | 2:20.864 | 41 / 52 | 3 / 5 |
| 2014-09-01 | GEOFF ISRINGHAUSEN | Road America | Yellow Enduro | GT3 | 2:27.201 | 19 / 38 | 3 / 3 |
| 2014-08-31 | GEOFF ISRINGHAUSEN | Road America | Red Sprint 2 | GT3 | 2:28.626 | 37 / 48 | 7 / 8 |
| 2014-08-31 | GEOFF ISRINGHAUSEN | Road America | Red Sprint 1 | GT3 | 2:26.256 | 39 / 54 | 7 / 9 |
| 2014-06-01 | GEOFF ISRINGHAUSEN | Watkins Glen | White Enduro Race | GTB1 | 2:09.089 | 24 / 38 | 8 / 14 |
| 2014-05-31 | GEOFF ISRINGHAUSEN | Watkins Glen | Yellow Sprint Race 2 | GTB1 | 2:09.686 | 25 / 66 | 15 / 22 |
| 2014-05-31 | GEOFF ISRINGHAUSEN | Watkins Glen | Yellow Sprint Race 1 | GTB1 | 2:09.833 | 33 / 69 | 17 / 22 |
| 2014-03-30 | G. ISRINGHAUSEN / D. CLARKE | Road Atlanta | Enduro B B Enduro | GTB1 | 1:32.531 | 7 / 55 | 3 / 6 |
| 2014-03-29 | GEOFF ISRINGHAUSEN | Road Atlanta | Race 2 Race 2B | GTB1 | 1:35.779 | DNF | DNF |
| 2014-03-29 | GEOFF ISRINGHAUSEN | Road Atlanta | Race 2 Race 2A | GTB1 | 1:41.640 | 12 / 50 | 4 / 7 |
| 2014-02-01 | GEOFF ISRINGHAUSEN | Sebring | 3 Red Sprint 2 | GTB1 | 2:25.766 | 12 / 41 | 6 / 17 |
| 2014-02-01 | GEOFF ISRINGHAUSEN | Sebring | 3 Red Sprint 1 | GTB1 | 2:25.296 | 10 / 50 | 5 / 21 |
| 2013-09-01 | GEOFF ISRINGHAUSEN | Road America | Blue Sprint Race 2 | GTB1 | 4:41.924 | DNF | DNF |
| 2013-09-01 | GEOFF ISRINGHAUSEN | Road America | Blue Sprint Race 1 | GTB1 | 2:30.013 | 13 / 50 | 6 / 11 |
| 2013-03-23 | GEOFF ISRINGHAUSEN | Road Atlanta | Group 2 Race 2B | GTB1 | 1:34.731 | 5 / 37 | 4 / 10 |
| 2013-03-23 | GEOFF ISRINGHAUSEN | Road Atlanta | Group 2 Race 2A | GTB1 | 1:57.503 | 9 / 26 | 5 / 8 |
| 2013-02-02 | GEOFF ISRINGHAUSEN | Sebring | 2. Green Sprint 2 | GTB1 | 2:27.772 | 26 / 66 | 15 / 30 |
| 2013-02-02 | GEOFF ISRINGHAUSEN | Sebring | 2. Green Sprint 1 | GTB1 | 2:26.940 | 43 / 73 | 24 / 31 |
| 2012-09-03 | GEOFF ISRINGHAUSEN | Road America | Blue Sprint Race #2 | GTB1 | 2:31.898 | 7 / 33 | 5 / 6 |
| 2012-09-02 | ISRINGHAUSEN / D CLARKE | Road America | Yellow Enduro | GTB1 | 2:32.939 | 32 / 56 | 3 / 4 |
| 2012-09-02 | GEOFF ISRINGHAUSEN | Road America | Blue Sprint Race #1 | GTB1 | 2:31.981 | 5 / 49 | 3 / 6 |
| 2012-05-13 | GEOFF ISRINGHAUSEN | NJMP Thunderbolt with Chicane | PCA Race 2 | GTB1 | 1:34.823 | 23 / 47 | 6 / 9 |
| 2012-05-12 | GEOFF ISRINGHAUSEN | NJMP Thunderbolt with Chicane | PCA Race 1 | GTB1 | 1:36.745 | 29 / 50 | 7 / 11 |
| 2012-02-05 | G ISRINGHAUSEN / R POBST | Sebring | Pink Enduro | GTB1 | 2:22.581 | 27 / 54 | 2 / 3 |
| 2012-02-04 | GEOFF ISRINGHAUSEN | Sebring | Green Sprint 2 | GTB1 | 2:29.015 | 23 / 51 | 6 / 9 |
| 2012-02-04 | GEOFF ISRINGHAUSEN | Sebring | Green Sprint 1 | GTB1 | 2:33.611 | 34 / 65 | 7 / 10 |