PORSCHE RACING HISTORYGeorge Follmer (USA)
1973 : Vallelunga 6 Hours - 1st in class : Spa 1000 km - 1st in class : Can-Am Road Atlanta - 1st : Can-Am Mid-Ohio - 2nd : Can-Am Road America - 3rd : Can-Am Edmonton - 2nd : IROC Riverside 2 - 1st
4 February 1973 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 911 Carrera RSR | 911 360 0307 R3 | S3.0 | Mark Donohue (USA)/George Follmer (USA) | Penske Racing (USA) | DNF | 12th | 405 laps - Engine |
25 March 1973 - Vallelunga 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 911 Carrera RSR | 911 360 0588 R6 | GT | George Follmer (USA)/Willi Kauhsen (D) | Martini Racing Team (D) | 7th | 1st | 21st | 251 laps |
1 April 1973 - Interserie Nürburgring - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 TC | 917/10-003 | INT | George Follmer (USA) | Rinzler Motorracing Inc. (USA) | 17th | 8th | 4th | 7 laps 2: Collision on warm up lap |
25 April 1973 - Monza 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 82 | Porsche 911 Carrera RSR | 911 360 0974 R8 | GT3.0 | George Follmer (USA)/Manfred Schurti (FL) | Martini Racing Team (D) | DNF | 24th | 19 laps - Engine |
6 May 1973 - Spa 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 40 | Porsche 911 Carrera RSR | 911 360 0576 R5 | GT | George Follmer (USA)/Reinhold Jöst (D) | Porsche Stuttgart (D) | 10th | 1st | 20th | 60 laps |
27 May 1973 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 66 | Porsche 911 Carrera RSR | 911 360 0576 R5 | GT+1.6 | George Follmer (USA)/Willi Kauhsen (D) | Martini Racing/Porsche AG (D) | DNF | 16th | 6 laps - Engine |
10 June 1973 - Can-Am Mosport - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 TC | 917/10-003 | George Follmer (USA) | Rinzler Motoracing/Royal Crown | DNF | 3rd | 53 laps - Transmission |
8 July 1973 - Can-Am Road Atlanta - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 TC | 917/10-005 | George Follmer (USA) | Rinzler Motoracing/Royal Crown | 1st | 2nd | 90 laps |
21 July 1973 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 911 Carrera RSR | 911 360 0588 R6 | S3.0 | Mark Donohue (USA)/George Follmer (USA) | Roger Penske Enterprises (USA) | 6th | 6th | 10th | 178 laps |
22 July 1973 - Can-Am Watkins Glen - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 TC | 917/10-003 | George Follmer (USA) | Rinzler Motoracing/Royal Crown | DNF | 2nd | 21 laps - Turbo |
12 August 1973 - Can-Am Mid-Ohio - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 TC | 917/10-003 | George Follmer (USA) | Rinzler Motoracing/Royal Crown | 2nd | 3rd | 84 laps |
26 August 1973 - Can-Am Road America - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 TC | 917/10-003 | George Follmer (USA) | Rinzler Motoracing/Royal Crown | 3rd | 3rd | 25 laps |
16 September 1973 - Can-Am Edmonton - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 TC | 917/10-003 | George Follmer (USA) | Rinzler Motoracing/Royal Crown | 2nd | 2nd | 50 laps |
14 October 1973 - Can-Am Laguna Seca - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 TC | 917/10-003 | George Follmer (USA) | Rinzler Motoracing/Royal Crown | DNF | 3rd | 44 laps - Turbo |
27 October 1973 - IROC Riverside 1 - IROC - International Race of Champions
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 911 Carrera RSR | 911 460 0059 | George Follmer (USA) | Roger Penske (USA) | 4th | 12th | 30 laps |
27 October 1973 - IROC Riverside 2 - IROC - International Race of Champions
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 911 Carrera RSR | 911 460 0124 | George Follmer (USA) | Roger Penske (USA) | 1st | 9th | 30 laps |
28 October 1973 - IROC Riverside 3 - IROC - International Race of Champions
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 911 Carrera RSR | 911 460 0037 | George Follmer (USA) | Roger Penske (USA) | 5th | 12th | 30 laps |
29 October 1973 - Can-Am Riverside - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 TC | 917/10-003 | George Follmer (USA) | Rinzler Motoracing/Royal Crown | DNF | 2nd | 1 lap - Accident |