Xtreme Mountain Racing, XMR, is hosting the Casper Mountain Vintage & Classic Snowmobile races on Saturday, February 27, 2021. They have 27 race classes from Junior Minis to Outlaw Mods, and racers of all ages. This is an oval track race and it is one of five races for the season.

https://www.visitcasper.com/event/casper-mountain-vintage-%26-classic-snowmobile-race/1712/