Octane Fest brings to Fallon an annual celebration of all types of motorsports. FALLON, NV (June 13) – Octane Fest is a celebration of the color, sound, horsepower, racing and other motorsport activities. It’s a two night and three daylong event, which has something for just about any fan. has enough to satisfy almost any motorsport fan. Things kicked off Friday night as the Top Gun Raceway held test and tune session at the dragstrip. Then in the evening the action switched to the Churchill County Fairgrounds for Monster Trucks, Freestyle Motocross and Outlaw Kart racing. There was also a