6 Hours of Silverstone
annual endurance sports car racing event

The 6 Hours of Silverstone (formerly the 1000 km of Silverstone and 4 Hours of Silverstone) is an endurance sports car race held at Silverstone Circuit near the Northamptonshire villages of Silverstone and Whittlebury. First run in 1976 as part of the World Sportscar Championship, the race was a part of the FIA World Endurance Championship between 2012 and 2019, but the 2020 race was cancelled due to the COVID-19 pandemic and did not return for 2021. The RAC Tourist Trophy has been awarded to the winners of the event.
History
In 1975, a round of the World Championship of Makes was not held in Britain for one of the first times since 1966. The 1000 km Brands Hatch which had been run almost consecutively during that period went under hiatus while track upgrades were carried out. Following upgrades of its own in 1975, plans were made for sportscars to return to Britain by using Silverstone instead of Brands Hatch. The event was a six-hour endurance, part of the Group 5 World Championship.
The first running consisted of a small field as some season competitors chose not to compete. British drivers John Fitzpatrick and Tom Walkinshaw managed to upset the factory teams by scoring the inaugural victory in a BMW. The following year, competition grew as the factory Porsche team, under the guise of Martini Racing, earned their first of two consecutive victories for drivers Jochen Mass and Jacky Ickx. The Porsche factory team was not able to continue their streak into 1979 when their lead car crashed, leaving the privateer Gelo Racing Porsche to a dominant win.
The public source identifies “6 Hours of Silverstone” as annual endurance sports car racing event. This brief keeps that definition visible, then builds a research path around Hours, Silverstone and annual.
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Contemporary correspondence, administrative files and participant testimony can test how later narratives organized the event or institution. The source revision retrieved here is dated Jun 23, 2026. The linked authority identifier is Q1587816. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1000, 1976, 2012 and 2019.
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This entry incorporates text from “6 Hours of Silverstone” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.