Sweetwater Speedway follows IMCA General Rules and currently runs the following classes. Links to the rules are included on this page. All drivers are required to use a race receiver.
IMCA Modifieds
All IMCA modifieds will follow the current IMCA Modified rules as published in the IMCA National Rule Book, along with any additions or corrections that are dictated from the IMCA national headquarters. All drivers must hold a current IMCA license and be in good standing with IMCA. All races will be sanctioned events and follow IMCA Racing procedures for lineups and points. Official rules can be reviewed at www.imca.com
IMCA Northern Sport Mods
All IMCA Norther Sport Mods will follow the current IMCA rules as published in the IMCA National Rule Book, along with any additions or corrections that are dictated from the IMCA national headquarters. All drivers must hold a current IMCA license and be in good standing with IMCA. All races will be sanctioned events and follow IMCA Racing procedures for lineups and points. Official rules can be reviewed at www.imca.com
IMCA Stock Cars
All IMCA Stock Cars will follow the current IMCA rules as published in the IMCA National Rule Book, along with any additions or corrections that are dictated from the IMCA national headquarters. All drivers must hold a current IMCA license and be in good standing with IMCA. All races will be sanctioned events and follow IMCA Racing procedures for lineups and points. Official rules can be reviewed at www.imca.com
IMCA Hobby Stocks
All IMCA Hobby Stocks will follow the current IMCA rules as published in the IMCA National Rule Book, along with any additions or corrections that are dictated from the IMCA national headquarters. All drivers must hold a current IMCA license and be in good standing with IMCA. All races will be sanctioned events and follow IMCA Racing procedures for lineups and points. Official rules can be reviewed at www.imca.com
IMCA Sport Compacts
All IMCA Sport Compacts will follow the current IMCA rules as published in the IMCA National Rule Book, along with any additions or corrections that are dictated from the IMCA national headquarters. All drivers must hold a current IMCA license and be in good standing with IMCA. All races will be sanctioned events and follow IMCA Racing procedures for lineups and points. Official rules can be reviewed at www.imca.com. The grandfather period for Cruisers ended in 2022.
Dwarf Cars
All Dwarf cars will follow the High Country Dwarf Car Association Rules or the Western States Dwarf Car Association Rules. To view their rules, go to their website.