Brett Sontag (born October 29, 1970) is an American professional stock car driver from Joliet, Illinois. He currently drives the #5 Chevrolet Impala at various midwest racetracks including the Grundy County Speedway in Morris, Illinois, the Illiana Motor Speedway in Schererville, Indiana and at select CRA Super Series, ASA Late Model Series, and ASA Midwest Tour events. He previously competed in the American Speed Association National Tour and the NASCAR RE/MAX Challenge Series.
|Brett "The Jet" Sontag|
|Born||October 29, 1970|
|Achievements||1988 Street Stock Champion - Grundy County Speedway |
1991 Late Model Rookie of the Year - Grundy County Speedway
2001 / 2002 / 2008 / 2009 / 2010 Super Late Model Champion - Grundy County Speedway
2002 / 2005 / 2008 Lee Schuler Memorial Race Winner - Grundy County Speedway
2004 American Speed Association (ASA) Pat Schauer Memorial Rookie of the Year
2008 / 2009 / 2011 Tony Bettenhausen Classic Race Winner - Illiana Motor Speedway
2009 Illiana Derby "Run for the Roses 100" Race Winner - Illiana Motor Speedway 
2010 / 2014 Frank Welch Memorial Race Winner - Grundy County Speedway
2010 National Short Track Champion - Rockford Speedway
2012 Firecracker 50 Champion - Grundy County Speedway
|Awards||Ranked 17th in Speed 51's 2009 National Short Track Power Ranking|
As of 2012, Sontag is tied for most track championships at the Grundy County Speedway with the late Ed Hoffman Sr., each claiming six titles to their name. He is also one of only two drivers to ever win back-to-back-to-back championships at Grundy County.
Sontag won his first championship at the age of 18 in 1988 at the Grundy County Speedway in the Street Stock Division. He captured the Super Late Model Championship in 2001 and 2002 at the Grundy County Speedway. In 2003, he began racing in the American Speed Association National Tour. He competed in twenty-two races between those two years for Terry's Motorsports. He scored eight Top 10 finishes, three Top 5 finishes, and one pole. In 2004, Sontag won the Pat Schuaer Rookie of the Year title. Previous winners include Reed Sorenson, David Stremme, Jimmie Johnson, Johnny Benson and Kenny Wallace.
After the demise of the ASA National Tour, he returned to racing at Illinois short tracks. He won the 2008, 2009 and 2010 super late model championships at the Grundy County Speedway in Morris, IL, winning a combined 23 feature events over those three years. He also won the 2008 and 2009 Lee Schuler Memorial Race at the Grundy County Speedway, and the 2008 and 2009 Bettenhausen Memorial race at the Illiana Motor Speedway. Following the 2009 racing season, Sontag was ranked 17th in Speed 51's National Short Track Power Rankings for that year. He won the 2010 National Short Track Championship race at Rockford Speedway.
- "Archived copy". Archived from the original on 2010-11-30. Retrieved 2010-08-11.CS1 maint: archived copy as title (link)