1973
IMSA
International Motor Sport Association

SEASON OVERVIEW

Round Date Country Circuit Meeting Pole position Winner Fastest lap
1 March 24 Sebring Sebring 12 Hours T.DeLorenzo / S.Durst (Chevrolet) P.Gregg / H.Haywood / D.Helmick (Porsche) M.Minter (Porsche) 
2 April 21 Daytona Daytona 3 Hours B.Bean / W.Pickett (Chevrolet) P.Gregg / H.Haywood (Porsche) -
3 June 10 Pocono Pocono 500 M L.d'Amico / B.Farrell (Chevrolet) M.Carter / T.DeLorenzo (Chevrolet) -
4 July 4 Daytona Daytona Paul Revere 250 M G.Felton (Chevrolet) G.Felton (Chevrolet) -
5 July 15 Mid-Ohio Mid-Ohio 6 Hours H.Theodoracopulos / H.Kwech (Ford) M.Keyser / B.Beasley (Porsche) -
6 September 15 Lime Rock Lime Rock 100 M, race 1 P.Gregg (Porsche) M.Keyser (Porsche) -
7 September 15 Lime Rock Lime Rock 100 M, race 2 - P.Gregg (Porsche) -
8 September 30 Road Atlanta Road Atlanta 200 M J.Greenwood (Chevrolet) P.Gregg (Porsche) -
9 October 14 Indianapolis Indianapolis 3 Hours - P.Gregg (Porsche) P.Gregg (Porsche)
10 November 25 Daytona Daytona Final 250 M W.Agor (Chevrolet) P.Gregg / H.Haywood (Porsche) -