Duncan Dayton - Career and Success:

Season   Series / Class Standing Team / Car / Races
2007 SP American LeMans Series, Class LMP2 26.
2006 SP 24h LeMans, Class LMP2 (single race) 4.
SP American LeMans Series, Class LMP1 11.
SP Grand-Am Sports Car Series, Class DP 119.
2005 SP American LeMans Series, Class P2
SP Grand-Am Sports Car Series, Class DP 65.
2004 SP 24h LeMans, Class LMP1 (single race)
SP LeMans Endurance Series (LMES), Class LMP2
SP American LeMans Series, Class P1 11.
2003 SP Grand-Am Sports Car Series, Class DP 41.
SP American LeMans Series, Class LMP675 2.
GT Grand-Am Sports Car Series, Class GTS
  GrandAm Series, 41.
2002 SP American LeMans Series, Class LMP675 14.
SP Grand-Am Sports Car Series, Class SRP 42.
  GrandAm Series, 42. (one race)
2001 SP American LeMans Series, Class LMP900 28.
SP Grand-Am Sports Car Series, Class SRP 44.
  GrandAm Series, 43. (Creighton-Lola, one race)
2000 SP Grand-Am Sports Car Series, Class SR
  GrandAm Series (Riley&Scott, one race)
1999   American LeMans Series (Riley&Scott, one race)
  US RoadRacing Championship, CanAm-23.
1998   US Formula Ford 2000, 23.
  US RoadRacing Championship (one race)
1997   US Formula Ford 2000, 3.
1996   US Formula Ford 2000, 9.
1995   US Formula Ford 2000, 7.
1994   US SCCA Formula Continental, 13.
1993   US SCCA Formula Continental
1992   US SCCA Formula Continental
1991   US SCCA Formula Continental
1990   US SCCA Formula Continental

Legend:

Intermediate standings during the current season are in italics.

Wins and Top6-Point-Positions are marked bold.

When racing in several series in a season the chronologically later participation is always on top.