USADuncan Dayton is a respectable racing driver, but the great successes started when his team Highcroft Racing became the factory team for Acura / Honda Racing Development.
Jaar / year
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Team & results
mijn collectie / my collection
drivers: David Brabham (AUS) / Marino Franchitti (GB) / Marco Werner (D)
team: Highcroft Racing
car: HPD (Courage) ARX-01c
result: 25th / 296 laps
including 
movie
Spark S 2570
drivers: David Brabham (AUS) / Stefan Johansson (S) / Marino Franchitti (GB)
team: Patron Highcroft Racing
car: Acura ARX-02a
result: 6th / 180 laps
including movie
Spark Patron Highcroft Racing
drivers: David Brabham (AUS) / Scott Speed (USA) / Stefan Johansson (S)
team: Patron Highcroft Racing
car: Acura ARX-01b
result: 5th / 349 laps
Spark Patron Highcroft Racing
drivers: David Brabham (AUS) / Stefan Johansson (S) / Duncan Dayton (USA)
team: Highcroft Racing
car: Acura ARX-01a
result: 6th / 346 laps
Spark Highcroft Racing Special
drivers: Gunnar Jeannette (USA) / Duncan Dayton (USA) / Peter Kitchak (USA) / Ron Zitza (USA)
team: Gunnar Racing
car: Porsche 911 GT1 G99
result: dnf / 9 laps
Minichamps MC 400 036806
drivers: Joe Field (USA) / Mike Durand (USA) / Duncan Dayton (USA)
team: InterSport Racing
car: Lola MG EX257 (B01/60)
result: 30th / 266 laps
Spark SCMG 09
drivers: Duncan Dayton (USA) / Steven Knight (USA) / Mel Hawkins (USA)
team: KnightHawk Racing
car: Lola MG EX257 (B01/60)
result: dnf / 102 laps
Spark SCMG 07
drivers: Joe Field (USA) / Mike Durand (USA) / Duncan Dayton (USA) / Rick Sutherland (USA)
team: InterSport Racing
car: Lola B2K/10B
result: dnf / 511 laps
Spark SCLA 08
drivers: Joe Field (USA) / Mike Durand (USA) / Duncan Dayton (USA)
team: InterSport Racing
car: Lola MG EX257 (B01/60)
result: 7th / 323 laps
Spark SCMG 03