New Berlin, NY
Unadilla MX
- August 15, 2026
- August 16, 2025
- August 10, 2024
- August 12, 2023
- August 13, 2022
- August 14, 2021
- August 10, 2019
- August 11, 2018
- August 12, 2017
- August 13, 2016
- August 8, 2015
- August 9, 2014
- August 10, 2013
- August 18, 2012
- August 13, 2011
- August 14, 2010
- August 15, 2009
- July 20, 2008
- July 15, 2007
- July 16, 2006
- July 17, 2005
- July 18, 2004
- July 20, 2003
- July 21, 2002
- July 15, 2001
- July 16, 2000
- July 18, 1999
- July 19, 1998
- July 20, 1997
- July 21, 1996
- July 23, 1995
- July 17, 1994
- July 11, 1993
- October 13, 1991
- October 14, 1990
- October 15, 1989
- July 31, 1977
- August 1, 1976
- July 29, 1973
- July 16, 1972
All-Time Wins
450 Class
| Rider | Hometown | Wins |
|---|---|---|
 Ricky Carmichael |  Havana, FL | 6 |
 Ryan Dungey | Belle Plaine, MN | 4 |
 Ken Roczen |  Mattstedt, Germany | 3 |
 Mike LaRocco | La Porte, IN | 3 |
 Ryan Villopoto | Poulsbo, WA | 2 |
250 Class
| Rider | Hometown | Wins |
|---|---|---|
 James Stewart | Haines City, FL | 3 |
 Dylan Ferrandis |  Avignon, France | 3 |
 Christophe Pourcel | Marseilles, France | 2 |
| Ricky Carmichael | Havana, FL | 2 |
| Guy Cooper | Stillwater, OK | 2 |