Why yes, yes there is! If you live in Washington, or Utah, you are closer to some of the bigger events, where there are competitors from all over the globe! Try these websites for more details. The premise is to fashion your car after an vintage (i.e. 1910-1920 era), but the rules are somewhat loose.
https://cyclekarts.com/
https://www.cyclekartclub.com/forum/cyclekart-tech-forum.2/
