| Opened | May 15, 1970 |
| Last Race Date | Still in Operation |
| Racing Type | Thoroughbred, Quarter Horse |
| Abbreviation | Boi |
| Purse Value Index | n/a |
| Signature Race | Idaho Cup Derby |
- 05/15/1970 Opens for racing as Boise Fairgrounds Track.
- 05/23/1973 Track is renamed Les Bois Park.
- 07/04/1979 A holiday crowd set both handle and attendance records.
- 08/16/2008 Final race run.
- 07/02/2011 Track re-opens after 3 year hiatus.