The doors have closed on the Southwick National, so before the sands of time officially put the sand track into the past, let's take one more look back by listing every winner from every Moto-X 338 National ever. Enjoy!
| 450 Class | ||
| Date | Winner, Hometown | Machine |
| 6-July-13 | Ryan Dungey, Belle Plaine, MN | KTM |
| 11-Aug-12 | Ryan Dungey, Belle Plaine, MN | KTM |
| 27-Aug-11 | Brett Metcalfe, Australia | Suzuki |
| 28-Aug-10 | Ryan Dungey, Belle Plaine, MN | Suzuki |
| 29-Aug-09 | Matt Goerke, Lake Helen, FL | Yamaha |
| 24-Aug-08 | James Stewart, Haines City, FL | Kawasaki |
| 10-Jun-07 | Ricky Carmichael, Havana, FL | Suzuki |
| 11-Jun-06 | Ricky Carmichael, Havana, FL | Suzuki |
| 12-Jun-05 | Ricky Carmichael, Havana, FL | Suzuki |
| 13-Jun-04 | Ricky Carmichael, Havana, FL | Honda |
| 8-Jun-03 | Ricky Carmichael, Havana, FL | Honda |
| 9-Jun-02 | Ricky Carmichael, Havana, FL | Honda |
| 10-Jun-01 | Ricky Carmichael, Havana, FL | Kawasaki |
| 11-Jun-00 | Ricky Carmichael, Havana, FL | Kawasaki |
| June 13, 199 | Ezra Lusk, Bainbridge, GA | Honda |
| 14-Jun-98 | Doug Henry, Oxford, CT | Yamaha |
| 22-Jun-97 | John Dowd, Chicopee, MA | Yamaha |
| 23-Jun-96 | Jeremy McGrath, Menifee, CA | Honda |
| 25-Jun-95 | Jeff Emig, Riverside, CA | Yamaha |
| 26-Jun-94 | Mike LaRocco, South Bend, IN | Kawasaki |
| 2-May-93 | Mike Kiedrowski, Canyon Country, CA | Kawasaki |
| 17-May-92 | Jeff Stanton, Sherwood, MI | Honda |
| 4-Aug-91 | Jeff Stanton, Sherwood, MI | Honda |
| 22-Jul-90 | Jeff Stanton, Sherwood, MI | Honda |
| 21-May-89 | Jeff Stanton, Sherwood, MI | Honda |
| 22-May-88 | Jeff Ward, Mission Viejo, CA | Kawasaki |
| 17-May-87 | Rick Johnson, El Cajon, CA | Honda |
| 18-May-86 | Rick Johnson, El Cajon, CA | Honda |
| 16-May-82 | Donnie Hansen, Canyon Country, CA | Honda |
| 17-May-81 | Kent Howerton, San Antonio, TX | Suzuki |
| 18-May-80 | Kent Howerton, San Antonio, TX | Suzuki |
| 20-May-79 | Kent Howerton, San Antonio, TX | Suzuki |
| 7-May-78 | Bob Hannah, Whittier, CA | Yamaha |
| 1-May-77 | Marty Smith, San Diego, CA | Honda |
| 6-Jun-76 | Pierre Karsmakers, Holland | Honda |
Travis Pastrana won at Southwick in both 2000 and 2001.
Simon Cudby photo
| 250 Class | ||
| Date | Winner, Hometown | Machine |
| 6-July-13 | Eli Tomac, Cortez, CO |
Honda |
| 11-Aug-12 | Blake Baggett, Grand Terrace, CA | Kawasaki |
| 27-Aug-11 | Tyla Rattray, South Africa | Kawasaki |
| 28-Aug-10 | Tyla Rattray, South Africa | Kawasaki |
| 29-Aug-09 | Justin Barcia, Ochlocknee, GA | Honda |
| 24-Aug-08 | Ryan Villopoto, Poulsbo, WA | Kawasaki |
| 10-Jun-07 | Ben Townley, New Zealand | Kawasaki |
| 11-Jun-06 | Andrew Short, Murrieta, CA | Honda |
| 12-Jun-05 | Grant Langston, South Africa | Kawasaki |
| 13-Jun-04 | James Stewart, Haines City, FL | Kawasaki |
| 8-Jun-03 | Craig Anderson, Corona, CA | Yamaha |
| 9-Jun-02 | Danny Smith, Middleton, ID | Suzuki |
| 10-Jun-01 | Travis Pastrana, Annapolis, MD | Suzuki |
| 11-Jun-00 | Travis Pastrana, Annapolis, MD | Suzuki |
| 13-Jun-99 | Ricky Carmichael, Havana, FL | Kawasaki |
| 14-Jun-98 | John Dowd, Chicopee, MA | Yamaha |
| 22-Jun-97 | Ricky Carmichael, Havana, FL | Kawasaki |
| 23-Jun-96 | Steve Lamson, Pollock Pines, CA | Honda |
| 25-Jun-95 | Steve Lamson, Pollock Pines, CA | Honda |
| 26-Jun-94 | Doug Henry, Oxford, CT | Honda |
| 2-May-93 | Doug Henry, Oxford, CT | Honda |
| 17-May-92 | Larry Ward, Society Hill, SC | Suzuki |
| 4-Aug-91 | Mike Kiedrowski, Canyon Country, CA | Kawasaki |
| 22-Jul-90 | Jean-Michel Bayle, France | Honda |
| 21-May-89 | Larry Ward, Society Hill, SC | Honda |
| 22-May-88 | George Holland, Kerman, CA | Honda |
| 17-May-87 | Micky Dymond, Yorba Linda, CA | Honda |
| 18-May-86 | Keith Bowen, Auburn Hills, CA | Yamaha |
| 18-May-80 | Broc Glover, El Cajon, CA | Yamaha |
| 7-May-78 | Broc Glover, El Cajon, CA | Yamaha |
Danny Smith was a surprise winner the following year in 2002.
Simon Cudby photo
| 500cc Motocross | ||
| Date | Winner, Hometown | Machine |
| 16-May-82 | Kent Howerton, San Antonio, TX | Suzuki |
| 17-May-81 | Broc Glover, El Cajon, CA | Yamaha |
| 20-May-79 | Danny LaPorte, Yucca Valley, CA | Suzuki |
