De voorlopige deelnemerslijsten van de Masters Historic Racing series voor de Historic Grand Prix 2020 zijn bekend. Bekijk hieronder het overzicht.
Masters Historic Formula One
| 5. Jonathan Holtzman | Tyrrell P-34 | 1976 |
| 6. Marco Werner | Lotus 77 | 1976 |
| 7. Mike Cantillon | Williams FW07C | 1981 |
| 12. Steve Brooks | Lotus 81 | 1980 |
| 16. Mark Hazell | Williams FW08C | 1983 |
| 18. Marc Devis | Surtees TS16 | 1980 |
| 20. Paul Tattersall | Ensign N179 | 1979 |
| 38. Patrick D’Aubreby | March 761 | 1976 |
| 47. Christophe D’Ansembourg | Brabham BT49 | 1982 |
| 51. Ron Maydon | LEC CRP1 | 1977 |
| 63. Georg Hallau | Theodore N183 | 1983 |
| 74. Steve Farthing | Lola T332 | 1974 |
| 76. Andrew Beaumont | Lotus 76/1 | 1974 |
| 97. Jamie Constable | Shadow DN8 | 1977 |
Masters Historic Sports Cars
| 10. Manfredo Rossi di Montelera | Abarth Osella PA1 | 1973 |
| 16. Chris Jolly | Cooper Monaco T61M | 1964 |
| – -. Steve Farthing | ||
| 26. Marc Devis | Chevron B19 | 1971 |
| 27. John Sheldon | Chevron B16 | 1969 |
| 34. David Hart | Lola T70 MK3B | 1969 |
| – -. Nicky Pastorelli | ||
| 37. Nikolaus Ditting | Lola T70 MK3 | 1967 |
| – -. Sam Hancock | ||
| 53. Chris Lillingston-Price | Chevron B8 | 1969 |
| 59. Steve Brooks | Lola T70 MK3B | 1970 |
| – -. Robert Beebee | ||
| 75. Eric Mestdagh | Lola T70 MK3B | 1969 |
| 76. Matthew Wrigley | Chevron B19 | 1971 |
Masters Gentlemen Drivers
| 17. Nikolaus Ditting | Jaguar E-Type | 1962 |
| – – -. Sam Hancock | ||
| 25. Caroline Rossi di Montelera | Austin Healey 3000 | 1965 |
| 39. Louis Zurstrassen | Elva MK5 | 1959 |
| 40. Sander Van Gils | Lotus Elan | 1965 |
| 52. Ron Maydon | Ginetta G4R | 1965 |
| – – -. David Methley | ||
| 64. Manfredo Rossi di Montelera | Ford Shelby Mustang GT350 | 1965 |
| 65. Christian Fred Schoedel | Jaguar E Type | 1965 |
| 68. Dirk Ebeling | Bizzarrini 5300 GT | 1965 |
| – – -. Leon Ebeling | ||
| 73. Laurent Jaspers | Jaguar E-Type | 1965 |
| 75. Hans Hugenholtz | AC Cobra | 1964 |
| – – -. Peter van Hoepen | ||
| 76. David Hart | Bizzarrini | 1965 |
| – – -. Olivier Hart | ||
| 79. Mark Martin | AC Cobra Daytona Coupe | 1965 |
| – – -. Nigel Greensall | ||
| 110. Michiel Campagne | Chevrolet Corvette Grand Sport | 1965 |
| – – -. Allard Kalff | ||
| 167. Peter Dod | TVR Griffith | 1965 |
| – – -. Nathan Dod | ||
| 168. Michiel Van Duijvendijk | Porsche GTS 904/6 | 1965 |
| – – -. Pascal Pandelaar | ||
| 170. Marcus Jewell | Ford Lotus Cortina | 1964 |
| – – -. Ben Clucas | ||
| 179. Steve Soper | Ford Lotus Cortina | 1963 |
| – – -. Mark Martin | ||
| 200. Christopher Stahl | TVR Griffith | 1965 |
| – – -. Oliver Mathai |
Aston Martin Masters Endurance Legends
| 008. Christophe D’Ansembourg | Dallara/Oreca DO-05 | 2002 |
| 5. David Hart | Maserati MC12 | 2010 |
| – – -. Nicky Pastorelli | ||
| 8. James Hagan | Oreca FLM09 | 2011 |
| 10. Michiel Campagne | Spice SSE92 | 1992 |
| – – -. Allard Kalff | ||
| 22. Sebastian Glaser | Porsche 993 GT2 Evo | 1999 |
| 28. Peter Schleifer | Norma M2000-2 | 2003 |
| 30. Marco Werner | Aston Martin V12 Vantage GT3 | 2013 |
| – – -. Oliver Mathai | ||
| 45. Jack Dex | BR 01 | 2015 |
| 55. Manfredo Rossi di Montelera | Porsche 911 GT3 RSR | 2007 |
| 70. Marcus Jewell | Porsche 996 RSR | 2002 |
| – – -. Ben Clucas | ||
| 73. Guenther Schindler | Porsche 993 GT2 | 1998 |
| 74. Karl Pedraza | Oreca 03 LMP2 | 2012 |
| – – -. Philippe Papin | ||
| 77. David Methley | Chevrolet Corvette C6 | 2005 |
| 90. Nikolaus Ditting | Aston Martin DBR9 | 2005 |
| – – -. Sam Hancock | ||
| 123. Marc Devis | Porsche 996 GT3 RS | 2004 |
Overige deelnemerslijsten worden vrijdag 4 september verwacht.
