Group 1, Formula Junior, and Formula V
Group 1- William Gardner, 1963 Austin Healy Sprite
Highest placed Formula Jr, FV, and first overall – Robert Hoemke, 1962 Cooper T59
Group 2
First place – Dave Handy, 1968 Brabham BT29
Formula Ford winner – Wade Cunningham, 1972 Titan
Club Ford winner – David Baughman, 1976 Crossle
Group 3
First Place – Joel Weinberger, 1962 Porsche 356B
Highest placed 3DP, 3EP, or 3BS finisher – Dennis Olthoft, 1963 GSM Dart
Group 4
First Place – Bill Treffert, 1960 Corvette
Group 5
First Place – Hobart Buppert, 1969 Lola T70 Mark III
Highest placed 5FM, 5BSR or 5CSR finisher – Gray Gregory, 1969 Chevron B16
Group 6
First place – Peter Klutt, 1969 Corvette
First place 6AP – Robert Caudle, 1971 Corvette
Highest placed 6GTO, 6GTU or 6MP finisher – Fritz Seidel, 1973 Porsche 911 IROC RSR
Highest placed 6TA or 6AS finisher – Curt Vogt, 1970 Mustang Boss 302
Group 7
First place – Lee Brahin, 1995 Ralt RT41 SR
First place group 7B – Cal Meeker, 1973 Lola T292
Group 8
First place – Ron Zitza, 1970 Porsche 914-6
Highest placed 8BS or 8RS finisher – Bill Abel, 1966 Alfa Romeo GTV
Group 9
First Place – Gaston Kearby, 1997 Lola T97/20
Highest placed 9FA, 9FAS, 9FB, or 9FC finisher – Kyle Buxton, 1977 March F2
Group 10
First Place – Sean Ryan, 2006 Ford Fusion
Highest placed 10GT, 10MP or 10PC finisher – Bill Ockerlund, 1991 Chevrolet Camaro
Group 11
Highest placed 11GTP1 or GTP2 finisher – Craig Bennett, 1974 Shadow DN4
Highest placed 11GTP3 finisher – Travis Engen, 2005 Audi R8 LMP
Highest placed 11TA1, 11TA2 or 11MP finisher – Theo Bean, 1988 Nissan 300ZX-T GTO
Hawk Performance Vintage/Classic Enduro
First place – Joel Quadracci, 1969 Brabham BT29
Highest placed group 5A, 6A or 8 finisher – Gray Gregory and co-driver Randy Buck, Chevron B16
Hawk Performance Historic Enduro
First place – Travis Engen, 2005 Audi R8 LMP
Highest placed “small bore” group 5A, 6B, 7, 10GT2, 10GT3 or 10MP finisher – Gray Gregory and co-driver Randy Buck, Chevron B16
Highest placed group 6 finisher – Edward Sevadjian and co-driver Jim Kitzmiller, 1969 Corvette
Highest placed group 11TA1, 11TA2, 11MP, 10GT1 or 10SC finisher – David Neidell, 1977 Oldsmobile Cutlass