Historic Sportscar Racing
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| Headquarters | Clearwater, Florida |
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Historic Sportscar Racing, LLC (HSR) is an automobile club and sanctioning body that supports historic racing in the United States. The organization traces its roots to the first running of the Walter Mitty Challenge in 1977 at Road Atlanta. After 40 years, HSR continues to sanction the Mitty, along with six to 10 other events each year.
Events and venues
The organization is based in Clearwater, Florida, and holds races on the East Coast and Canada. Annual events include:
- Classic 24 Hours of Daytona presented by IMSA at Daytona International Speedway
- Classic 12 Hours of Sebring at Sebring International Raceway
- The Classic Motorsports Mitty at Road Atlanta
- Historic Races at Barber Motorsports Park
- Atlanta Fall Historics at Road Atlanta
In addition, HSR partners with the Historic Motor Sports Association to present the Somme de Legendes at Circuit Mont-Trembant