Colorado National Speedway
| CNS | |
|---|---|
| Location | 4281 Speedway Boulevard Dacono, Colorado |
| Time zone | UTC−07:00 (UTC−06:00 DST) |
| Coordinates | 40°3′34.85″N 104°58′27.71″W / 40.0596806°N 104.9743639°W |
| Opened | 1965 |
| Major events | Current: ARCA Menards Series West (1995–1996, 2001, 2004, 2007–2021, 2025) Former: NASCAR Craftsman Truck Series Colorado 250 (1995–1997) NASCAR Southwest Series (1992–2006) NASCAR Midwest Series (1999–2006) |
| Website | https://www.coloradospeedway.com/ |
| Oval (1965–present) | |
| Surface | Asphalt |
| Length | 0.375 miles (0.604 km) |
| Turns | 4 |
| Race lap record | 0:17.173 ( Trevor Huddleston, Ford Fusion NASCAR, 2025, ARCA Menards) |
Colorado National Speedway is a paved oval in Dacono, Colorado, spanning 0.375 mi (0.604 km). The track is currently a member of the NASCAR Advance Auto Parts Weekly Series and hosts the ARCA Menards Series West (former NASCAR K&N Pro Series West), the King of the Wing Sprint Car Series, and the North American Big Rig Racing Series annually.