They've posted a
list of entrants for the historic races. GT40s are in Group 6a. I count 12 in the race.
Group 6A
DRIVER City State Car
Tom Armstrong Issaquah WA 1966 Ford GT-40 /ubbthreads/images/graemlins/smile.gif
Tony DeLorenzo San Mateo CA 1967 Corvette
Larry Bowman San Mateo CA 1965 Cobra 427
Scott Drnek San Mateo CA 1965 Ford GT-40 /ubbthreads/images/graemlins/smile.gif
Howard Cherry Fairfield CT 1969 Porsche 910
Jim Click Tucson AZ 1966 Ford GT-40 /ubbthreads/images/graemlins/smile.gif
Harley Cluxton III Scottsdale AZ 1965 Cobra 427
David Cohen W. Vancouver B.C. 1965 Ford GT-40 /ubbthreads/images/graemlins/smile.gif
Brian Redman Naples FL 1966 Ford GT-40 /ubbthreads/images/graemlins/smile.gif
Bob Gett Sudbury MA 1969 Chevron B-16
Brad Hook Kailua HI 1966 Porsche 906
Douglas Johnson Orinda CA 1966 Cobra 427
Jim Lawrence Lafayette CA 1967 Chevron B8
Tom Mabey W. Bountiful UT 1966 Ford GT-40 /ubbthreads/images/graemlins/smile.gif
Tom Malloy Villa Park CA 1967 Ford Mk IV /ubbthreads/images/graemlins/smile.gif
Michael Malone Seattle WA 1967 Porsche 910
Rich Mason Carson City NV 1964 Cobra 427 Fliptop
John McCaw Seattle WA 1964 Ferrari 250 LM
Jules Moritz, Jr. Gilroy CA 1967 Lola T-70 GT
Jennifer Pitts Claremont CA 1969 Chevron B-16
Erich Joiner Rolling Hills CA 1969 Chevron B-16
Gary Schroeder Burbank CA 1965 Ford GT-40 /ubbthreads/images/graemlins/smile.gif
Bill Murray Longmont CO 1966 Ford GT-40 /ubbthreads/images/graemlins/smile.gif
Dick Smith Fresno CA 1965 Cobra 427
George Stauffer Blue Mound WI 1966 Ford GT MKII /ubbthreads/images/graemlins/smile.gif
J. Arthur Urciuoli Casey Key FL 1969 Ford GT-40 /ubbthreads/images/graemlins/smile.gif
Rob Walton Decatur IL 1968 Ford GT-40 /ubbthreads/images/graemlins/laugh.gif