| Rider | Date of birth | Carlos Alzate (COL) | (1983-03-23)March 23, 1983 (aged 32) | Janez Brajkovič (SLO) | (1983-12-18)December 18, 1983 (aged 32) | Matthew Busche (USA) | (1985-05-09)May 9, 1985 (aged 30) | Marco Canola (ITA) | (1988-12-26)December 26, 1988 (aged 27) | Jonathan Clarke (AUS) | (1984-12-18)December 18, 1984 (aged 31) | Daniel Eaton (USA) | (1993-07-04)July 4, 1993 (aged 22) | Adrian Hegyvary (USA) | (1984-01-15)January 15, 1984 (aged 31) | Daniel Jaramillo (COL) | (1991-01-15)January 15, 1991 (aged 24) | | | | Rider | Date of birth | Christopher Jones (USA) | (1979-08-06)August 6, 1979 (aged 36) | Luke Keough (USA) | (1991-08-10)August 10, 1991 (aged 24) | Tyler Magner (USA) | (1991-05-03)May 3, 1991 (aged 24) | Karl Menzies (AUS) | (1977-06-17)June 17, 1977 (aged 38) | John Murphy (USA) | (1984-12-15)December 15, 1984 (aged 31) | Tanner Putt (USA) | (1992-04-21)April 21, 1992 (aged 23) | Daniel Summerhill (USA) | (1989-01-28)January 28, 1989 (aged 26) | Bradley White (USA) | (1982-01-15)January 15, 1982 (aged 33) | |