| Year | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | |
| 1978 | No G-27 race | ||||||||
| Swe | |||||||||
| 1980 | Mike Boemker | Bill | Ken Stephenson | Ron Brook | Dan Ruddock | Gary Harmon | Phil Hackett | Hamman Muhammad | |
| USA | Dell | ||||||||
| 1982 | No G-27 race | ||||||||
| NL | |||||||||
| 1984 | Andy | Jerry | Allison | Ray | |||||
| USA | Wasserman | Kulich | Hochstein | Duran | |||||
| 1986 | No G-27 race | ||||||||
| NL | |||||||||
| 1987 | No G-27 race | ||||||||
| FR | |||||||||
| 1988 | Andy | Gary | Nick | Martin | Craig | Dave | Alf | Garry | |
| USA | Wasserman | Puetz | Csercsics | Gramann | Landry | Liebenthal | Zoder | Johnson | |
| 1989 Imca USA | Martin | Jay | Rich | Rune | Daniel | "Gugu" | Alf | Frank | |
| Gramann | Horn | Hasselburg | Syven | Donegan | Bernardino | Zoder | Sabatka | ||
| 1989 | Leo | David | Gary | ||||||
| Texas | Winters | Pool | Risk | ||||||
| 1990 AM | Jae | Steve | Ed | Gary | Garry | Steve | Steve | Jerry | |
| USA | Young | Rabackoff | Ellenberg | White | Pierce | Haveness | Langly | Kulich | |
| 1990 Pro | Jon | Wayne Bramble | Buddy | Reggie | Randy | Jeff | Stuart | Paul Beuf | |
| USA | Laster | Buchanan | Coram | Marshall | Cox | Koford | Pedersen | ||
| 1991 | Rich | Fast | Bruce | Peter | Jerry | Geary | Neil | T.J. | |
| USA | Delmondo | Eddie | Matney | Lala | Wyant | Gasbor | Isler | Prokop | |
| 1992 AM | Alexander | Stan | Jan | ||||||
| St.Martin | Chalupa | Omohondo | Kieslich | ||||||
| 1992 Pro | Vlado | Martin | Tomas | Dieter | |||||
| St.Martin | Okali | Gramann | Weckerle | Jens | |||||
| 1993 | Woody | Steve | Ed | Chris | Jack S | Greg | Bob | Benny | |
| USA | Koepp | Ellenberg | Santamero | Fox | Jaeckel | Justice | |||
| 1994 | No G-27 race | ||||||||
| Swe | |||||||||
| 1995 | Vlado | Jose Mario | Zdenek | ||||||
| Brazil | Okali | Serra | Benes | ||||||
| 1996 | Paul | Vlado | Vladimir | Stuart | Scott | Zdenek | Ed | Jan | |
| USA | Cicarello | Okali | Horky | Koford | Wright | Benes | Krause | Kasanicky | |
| 1997 | Vlado | Mario | Jaroslav | Roland | Kimmo | Lasse | Martin | Zdenek | |
| Cz | Okali | Schöne | Recek | Maisenbacher | Rautama | Åberg | Gramann | Benes | |
| 1998 | No G-27 race | ||||||||
| USA | |||||||||
| 1999 | No G-27 race | ||||||||
| Swe | |||||||||
| 2000 | Norba | Vladimir | Dracula | Marcelo | Vlado | Josef | Bambi | Dudu | |
| Brazil | Horky | Triginelli | Okali | Hajek | |||||
| 2001 | Sherri | Josef | Vladimir | Marty | Vlado | Benny | Zdenek | "Gugu" | |
| USA | Pedersen | Korec | Horky | Meltabarger | Okali | Justice | Benes | Bernadino | |
| 2002 | Vladimir | "Gugu" | Vlado | Josef | Zdenek | Lasse | Mikael | Antti | |
| Cz | Horky | Bernadino | Okali | Hajek | Benes | Åberg | Silén | Immonen | |
| 2003 | Vladimir | Josef | Oliver | Vlado | Jiri | Marcelo | Bruno | Josef | |
| Brazil | Horky | Korec | Sonnbichler | Okali | Micek J.r | Triginelli | Didotto | Hajek | |
| 2004 | Boyt | Mikael | Paul Beuf | Juha | Vladimir | Greg | Benny | Mike "Erkle" | |
| USA | Johnson | Silén | Pedersen | Yli-Sipola | Horky | Mills | Justice | Tylinski | |
| 2005 | Peter | Vlado | Josef | Lasse | Jari | Zdenek | Juha | Vladimir | |
| Finland | Krcil | Okali | Korec | Åberg | Porttinen | Benes | Yli-Sipola | Horky | |
| 2006 | Mikael | Juha | "Gugu" | Benny | Jari | Roger | Ricardo | Vlado | |
| Brazil | Silén | Yli-Sipola | Bernadino | Justice | Porttinen | Schmitt | Carneiro | Okali | |
| 2007 | Mikael | Vladimir | "Gugu" | Frank | Bill | Vlado | Jim | Reggie | |
| USA | Silén | Horky | Bernadino | Sarkela | Skinner | Okali | Lange | Coram | |
| 2008 | Vladimir | Heiko | Vlado | Juha | Petr | Les | Bill | André | |
| Germany | Horky | Thinschmidt | Okali | Yli-Sipola | Krcil | Wright | Skinner | Eriksson | |
| 2009 | Vlado | Petr | Paul | Vladimir | Marcio | Zdenes | Michael | Andre | |
| Brazil | Okali | Krcil | Pedersen | Horky | Paschoalin | Benes | Iga | Villar | |
| 2010 USA |
Vladimir Horky |
Petr Krcil |
Heiko Thinschmidt |
Gugu Bernardino |
Marcio Paschoalin |
Rich Curnette |
Stefan Törnfeldt |
Filipe Tavares |
|
| 2012 Brazil |
Zdenek Benes |
Peter Krcil |
Filipe |
Klaus Wickert |
Villar |
Ulli |
Oliver |
Luca (Bernardino) |
|
| In 1992 AM Main was also Rich Surrey, Kevin R, Tom Kostinadelis, Glen Nishiyama and Jim Deatheridge. | |||||||||
| In the Pro Main 1992 was also Stan Omohondro, Gerd Krosling, Scott Wright and Brian Bailey. | |||||||||