| Name | Date and Time | Entrants |
|---|---|---|
| Hardrock 100 2000 | Fri | July 07, 2000 | 06:00AM(MDT) | 114 entrants |
| Hardrock 100 1999 | Fri | July 09, 1999 | 06:00AM(MDT) | 109 entrants |
| Hardrock 100 1998 | Fri | July 10, 1998 | 06:00AM(MDT) | 82 entrants |
| Hardrock 100 1997 | Fri | July 11, 1997 | 06:00AM(MDT) | 99 entrants |
| Hardrock 100 1996 | Fri | July 12, 1996 | 06:00AM(MDT) | 91 entrants |
| Hardrock 100 1994 | Fri | July 08, 1994 | 06:00AM(MDT) | 74 entrants |
| Hardrock 100 1993 | Fri | July 09, 1993 | 06:00AM(MDT) | 35 entrants |
| Hardrock 100 1992 | Fri | July 10, 1992 | 06:00AM(MDT) | 42 entrants |