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Organisation

Historic Sportscar Racing

Governing Body

North America’s vintage and historic racing sanctioning body, founded in 1977 and now operating under IMSA.

Governed (10)

GT

HSR B.R.M Chronographes Endurance Challenge

B.R.M Enduro

HSR’s one-hour enduros for period-matched groups of cars, each with a mandatory pit stop.

Endurance RacingHistoricMulti Class
Sports prototype

HSR Classic Endurance Championship

Classic Endurance

HSR’s Mission Foods-backed endurance championship — the Classic 10 Hour, 12 Hour and 24 Hour — honouring IMSA’s endurance heritage.

Endurance RacingHistoricMulti Class
GT

HSR Historic Trophy

Historic Trophy

HSR run groups 6 and 7 — historic sports and GT cars in WeatherTech sprint races.

HistoricMulti Class
GT

HSR International/American Challenge

Intl/American Challenge

HSR’s production-car sprint: big-bore American iron against European sports cars, with International, American and Porsche classes.

HistoricProduction Car
GT

HSR Legacy Racers

Legacy Racers

HSR run groups 5, 8 and 11 — legacy-era sports and GT cars in WeatherTech sprint races.

HistoricMulti Class
GT

HSR Mission GT Challenge

Mission GT Challenge

HSR run groups 9 and 10 — modern-era GT cars in sprint and enduro races.

Multi ClassHistoric
Stock car

HSR NASCAR Classic

NASCAR Classic

Historic NASCAR stock cars racing on HSR’s road-course weekends.

Historic
Sports prototype

HSR Prototype Challenge

Prototype Challenge

HSR’s modern-era prototype class, racing sprints and an enduro each weekend.

Historic
GT

HSR Vintage Cup

Vintage Cup

HSR run groups 2 and 3 — vintage sports and GT cars in WeatherTech sprint races.

HistoricMulti Class
GT
2 upcoming

Historic Sportscar Racing

HSR

North America’s premier vintage and historic racing series — seven major weekends a year at Daytona, Sebring, Road Atlanta and Watkins Glen.

Endurance RacingHistoricMulti Class

Organised (10)

GT

HSR B.R.M Chronographes Endurance Challenge

B.R.M Enduro

HSR’s one-hour enduros for period-matched groups of cars, each with a mandatory pit stop.

Endurance RacingHistoricMulti Class
Sports prototype

HSR Classic Endurance Championship

Classic Endurance

HSR’s Mission Foods-backed endurance championship — the Classic 10 Hour, 12 Hour and 24 Hour — honouring IMSA’s endurance heritage.

Endurance RacingHistoricMulti Class
GT

HSR Historic Trophy

Historic Trophy

HSR run groups 6 and 7 — historic sports and GT cars in WeatherTech sprint races.

HistoricMulti Class
GT

HSR International/American Challenge

Intl/American Challenge

HSR’s production-car sprint: big-bore American iron against European sports cars, with International, American and Porsche classes.

HistoricProduction Car
GT

HSR Legacy Racers

Legacy Racers

HSR run groups 5, 8 and 11 — legacy-era sports and GT cars in WeatherTech sprint races.

HistoricMulti Class
GT

HSR Mission GT Challenge

Mission GT Challenge

HSR run groups 9 and 10 — modern-era GT cars in sprint and enduro races.

Multi ClassHistoric
Stock car

HSR NASCAR Classic

NASCAR Classic

Historic NASCAR stock cars racing on HSR’s road-course weekends.

Historic
Sports prototype

HSR Prototype Challenge

Prototype Challenge

HSR’s modern-era prototype class, racing sprints and an enduro each weekend.

Historic
GT

HSR Vintage Cup

Vintage Cup

HSR run groups 2 and 3 — vintage sports and GT cars in WeatherTech sprint races.

HistoricMulti Class
GT
2 upcoming

Historic Sportscar Racing

HSR

North America’s premier vintage and historic racing series — seven major weekends a year at Daytona, Sebring, Road Atlanta and Watkins Glen.

Endurance RacingHistoricMulti Class

Calendar Source

www.hsrrace.com