Solo RulesÌý

Solo rules is your home to view the current Solo Rulebook, Supplemental class rules, ProSolo rules, FasTrack, and Rules proposals. The content on this page will provide valuable information for Solo compliance in the ÎçÒ¹¸£Àû51xxtv.Ìý

To request a new car classification, adjustment or clarification on a rule, click on the link below to submit a letter:

Rule Making Process

FastrackÌý

Current and Archived Fastracks

Quick Reference Guides


Helmet Certification Allowances with Label Chart - Updated 10/23/2025Ìý
Category Allowance "Cheat" Sheet
Solo Spec Coupe (SSC) Official Specifications

Training

Solo Safety Steward Webinar Training
For more training materials, log in to your , head to the and scroll down to Solo and Solo Safety

Event Waiver Procedures

Waiver Procedures
Waiver Checklist (47 states, excludes California, Florida, and New York)
Waiver Checklist for California
Waiver Checklist for Florida
Waiver Checklist for New York
ÌýÌý ÌýÌý

2024 Sound Guidelines & Event Reports

Ìý

2026 Solo Rules

The 2026ÌýSolo® Rules online are made available by ÎçÒ¹¸£Àû51xxtv SoloÌýas a courtesy to our entrants, volunteers, and anyone interested in learning more about technical regulations governing ÎçÒ¹¸£Àû51xxtv Solo. If you would like a copy of the printed National Solo Rules, they are available for purchase on Amazon:

The 2026 Solo Rules online version is available in Adobe Acrobat format, version 10 or later. Download the latest version of Adobe Acrobat Reader . iPad and iPhone users should save this file in the acrobat reader app, not in ibooks (ibooks crashes when trying to use the search feature).

Ìý

-Ìý2026 Solo Rules downloadÌý(Updated 1/27/2026)

- 2026 ProSolo Class Updates SummaryÌý(04/07/2025)

-Ìý2026 ProSolo Rules downloadÌý

-Ìý2024 Sound Guidelines & Event Reports

- ÎçÒ¹¸£Àû51xxtv Lightning Safety Protocol

Supplemental Classes

Supplemental classes are provided to help give regions other class options for members at their events. Some of these supplemental classes are run at National Solo events and even the Tire Rack ÎçÒ¹¸£Àû51xxtv Solo Nationals. Those classes that compete at Solo Nationals are not eligible to win a championship.Ìý

Allowed at all National Solo events including Solo NationalsÌý

Ìý Ìý
Ìý Ìý - Electric Vehicle Experimental (EVX)
Ìý Ìý - Club Spec

Ìý Ìý Ìý