Ludwig Heimrath, Jr.
Birthplace: Scarborough, Ontario
Born: September 9, 1956
Died:
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| Year | Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles | Points | Standing |
| 1984 | CART | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 |
NR |
| 1985 | CART | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | NR |
| 1987 | CART | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 5 | 34 |
| Includes | USAC | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 5 | 30 |
| 1988 | CART | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 7 | 28 |
| Includes | USAC | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 10 | 25 |
| 1989 | CART | 7 | 4 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 4 | 26 |
| Includes | USAC | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 25 | 13 |
| Total | 30 | 5 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 56 |
| Track Type | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Paved Oval | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 9 | 0 |
| Road Course | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 12 | 0 |
| Street Course | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| CART | 30 | 5 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| USAC | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Start # | Date | Track | Type | Series | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
Points |
| 1 | 8/5/1984 | Elkhart Lake | RC | CART | 76 | Canadian Tire | March 83C | Cosworth | 21 | 23 | 8 | Transmission | |
| 2 | 9/1/1985 | Mid-Ohio | RC | CART | 8 | Red Roof Inns | March 85C | Cosworth | 19 | 26 | 12 | Wrecked | |
| 3 | 4/5/1987 | Long Beach | SC | CART | 23 | Mackenzie Financial | Lola T8700 | Cosworth | 15 | 15 | 66 | Broken gearbox | |
| 4 | 4/12/1987 | Phoenix | PO | CART | 23 | Mackenzie Financial | Lola T8700 | Cosworth | 20 | 22 | 30 | CV joint | |
| 5 | 5/24/1987 | Indianapolis | PO | USAC/CART | 23 | Mackenzie/Horton | Lola T8700 | Cosworth | 10 | 30 | 25 | Spun out | 0/5 |
| 6 | 5/31/1987 | Milwaukee | PO | CART | 23 | Mackenzie Financial | Lola T8700 | Cosworth | 16 | 10 | 192 | Flagged | 3 |
| 7 | 6/14/1987 | Portland | RC | CART | 23 | Mackenzie Financial | Lola T8700 | Cosworth | 8 | 12 | 61 | Off course | 1 |
| 8 | 6/28/1987 | Meadowlands | SC | CART | 23 | Mackenzie Financial | Lola T8700 | Cosworth | 26 | 17 | 71 | Broken wheel | |
| 9 | 7/5/1987 | Cleveland | RC | CART | 23 | Mackenzie Financial | Lola T8700 | Cosworth | 12 | 18 | 54 | Broken halfshaft | |
| 10 | 7/19/1987 | Toronto | SC | CART | 23 | Mackenzie Financial | Lola T8700 | Cosworth | 17 | 19 | 16 | Gearbox | |
| 11 | 8/2/1987 | MIS | PO | CART | 23 | Mackenzie Financial | Lola T8700 | Cosworth | 17 | 25 | 75 | Gearbox | |
| 12 | 8/16/1987 | Pocono | PO | CART | 23 | Mackenzie Financial | Lola T8700 | Cosworth | 20 | 12 | 187 | Flagged | 1 |
| 13 | 9/6/1987 | Mid-Ohio | RC | CART | 22 | Mackenzie Financial | Lola T8700 | Cosworth | 18 | 26 | 7 | Broken suspension | |
| 14 | 10/11/1987 | Laguna Seca | RC | CART | 12 | Arciero Wines | March 87C | Cosworth | 24 | 23 | 14 | Engine | |
| -- | 11/1/1987 | Miami | SC | CART | 12 | Arciero Wines | March 85C | Cosworth | -- | -- | -- | DNS, too slow | |
| 15 | 4/17/1988 | Long Beach | SC | CART | 71 | Mackenzie Financial | Lola T8800 | Cosworth | 11 | 14 | 73 | Engine | |
| 16 | 5/29/1988 | Indianapolis | PO | USAC/CART | 71 | Mackenzie Financial | Lola T8800 | Cosworth | 31 | 25 | 59 | Wrecked turn 4 |
0/10 |
| 17 | 6/19/1988 | Portland | RC | CART | 71 | Mackenzie Financial | Lola T8800 | Cosworth | 12 | 23 | 33 | Broken gearbox | |
| 18 | 7/3/1988 | Cleveland | RC | CART | 71 | Mackenzie Financial | Lola T8800 | Cosworth | 18 | 26 | 1 | Engine | |
| 19 | 7/17/1988 | Toronto | SC | CART | 71 | Mackenzie Financial | Lola T8800 | Cosworth | 16 | 19 | 47 | Engine | |
| 20 | 7/24/1988 | Meadowlands | SC | CART | 71 | Mackenzie Financial | Lola T8800 | Cosworth | 21 | 12 | 123 | Flagged | 1 |
| 21 | 9/4/1988 | Mid-Ohio | RC | CART | 71 | Mackenzie Financial | Lola T8800 | Judd | 16 | 19 | 59 | Wrecked | |
| 22 | 9/11/1988 | Elkhart Lake | RC | CART | 71 | Mackenzie Financial | Lola T8800 | Judd | 18 | 21 | 22 | Engine | |
| 23 | 11/6/1988 | Miami | SC | CART | 71 | Mackenzie Financial | Lola T8800 | Cosworth | 18 | 7 | 106 | Flagged | 6 |
| 24 | 4/8/1989 | Phoenix | PO | CART | 71 | Mackenzie Financial | Lola T8900 | Judd | 21 | 9 | 193 | Flagged | 4 |
| 25 | 4/16/1989 | Long Beach | SC | CART | 71 | Mackenzie Financial | Lola T8900 | Judd | 16 | 24 | 11 | Clutch | |
| 26 | 5/28/1989 | Indianapolis | PO | USAC/CART | 71 | Mackenzie Financial | Lola T8800 | Judd | 18 | 13 | 185 | Flagged | 0/25 |
| -- | 6/4/1989 | Milwaukee | PO | CART | 71 | Mackenzie Financial | Lola T8900 | Judd | -- | -- | -- | Did not start | |
| -- | 6/18/1989 | Detroit | SC | CART | 71 | Mackenzie Financial | Lola T8800 | Judd | -- | -- | -- | Injured, raced by Palmroth | |
| 27 | 7/23/1989 | Toronto | SC | CART | 71 | Mackenzie Financial | Lola T8800 | Judd | 24 | 22 | 47 | Engine | |
| -- | 8/6/1989 | MIS | PO | CART | 71 | Mackenzie Financial | Lola T8800 | Judd | -- | -- | -- | DNS, too slow | |
| 28 | 9/3/1989 | Mid-Ohio | RC | CART | 71 | Mackenzie Financial | Lola T8900 | Judd | 15 | 25 | 22 | Gearbox | |
| 29 | 9/10/1989 | Elkhart Lake | RC | CART | 71 | Mackenzie Financial | Lola T8900 | Judd | 21 | 17 | 45 | Wrecked | |
| 30 | 9/24/1989 | Nazareth | PO | CART | 71 | Mackenzie Financial | Lola T8900 | Judd | 21 | 17 | 33 | Vibration | |
| -- | 10/15/1989 | Laguna Seca | RC | CART | 71 | Mackenzie Financial | Lola T8900 | Judd | -- | -- | -- | DNS, too slow | |