PORSCHE RACING HISTORYGeorg Loos (D)
1973 : Nürburgring 1000 km - 3rd in class : Le Mans 24 Hours - 2nd in class : Interserie Norisring - 2nd overall
1 April 1973 - Interserie Nürburgring - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917/10 TC | 917/10-017 | INT | Georg Loos (D) | GELO-Racing-Team (D) | 6th | 6th | 10th | 14 laps |
27 May 1973 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 911 Carrera RSR | 911 360 0847 | GT+1.6 | Jürgen Barth (D)/Georg Loos (D) | Gelo Racing Team (D) | 13th | 3rd | 26th | 38 laps |
10 June 1973 - Le Mans 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 63 | Porsche 911 Carrera RSR | 911 360 0847 | GT3.0 | Georg Loos (D)/Jürgen Barth (D) | Gelo Racing Team (D) | 10th | 2nd | 32nd | 312 laps |
24 June 1973 - Interserie Norisring - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917/10 TC | 917/10-017 | Gr. 7 | Georg Loos (D) | Gelo-Racing-Team (D) | 2nd | 2nd | 6th | 139 laps |
5 August 1973 - Euro GT Thruxton - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | 911 360 0847 | GT3.0 | Georg Loos (D) | Gelo Racing Team (D) | ? | 7th |
19 August 1973 - Interserie Misano - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917/10 TC | 917/10-017 | Georg Loos (D) | Gelo Racing Team (D) | DNF | 4th | Engine |
26 August 1973 - DRM Hockenheim Preis der Nationen - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 27 | Porsche 911 Carrera RSR | 911 360 0847 | Div.I | Georg Loos (D) | Gelo Racing Team (D) | DNF | 14th | 18 laps |
2 September 1973 - Monza 6 Hours - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | GT3.0 | Jürgen Barth (D)/Georg Loos (D) | ? | 9th |
9 September 1973 - DRM Norisring - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 911 Carrera RSR | 911 360 0847 | Div.I | Georg Loos (D) | Gelo Racing Team (D) | 4th | 4th | 7th | 43 laps |