| CNS | |
|---|---|
 | |
| Location | 4281 Speedway Boulevard Dacono,Colorado, United States |
| Coordinates | 40°3′34.85″N104°58′27.71″W / 40.0596806°N 104.9743639°W /40.0596806; -104.9743639 |
| 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 mi (0.604 km) |
| Turns | 4 |
| Race lap record | 0:17.173[1] ( Trevor Huddleston,Ford Fusion NASCAR,2025,ARCA Menards) |
Colorado National Speedway is a 0.375 mi (0.604 km) paved oval inDacono,Colorado, United States. The track is currently a member of theNASCAR Advance Auto Parts Weekly Series and hosts theARCA Menards Series West (former NASCAR K&N Pro Series West), theKing of the Wing Sprint Car Series, and the North American Big Rig Racing Series annually.
Founded in 1965 by Gene and Gerda Heffley, Colorado National Speedway sits at the foot of the Rocky Mountains at exit 232 off of I-25. CNS hosts a variety of local racing, along with several national touring series, car and motorcycle shows, swap meets, and an annual Father's Day Sunday Super Show featuring Monster Trucks, Stunt Bikes, and more. The Speedway opens for practice in April, racing begins in May, and events run through October. CNS is known locally for concessions, affordable tickets, and fireworks displays on holidays and special race events.
CNS hosted theNASCAR Craftsman Truck Series during its first three seasons, 1995 through 1997. The1995 Total Petroleum 200 featured a last lap battle whereButch Miller edged outMike Skinner by .001 second for his only series win.[2] This is listed as the closest finish in series history, although the video replay of the race may dispute that measurement.[3] The1996 Colorado 200 saw Skinner dominate leading the final 220 laps and beat Miller by .7 seconds.[4]Ron Hornaday Jr. won the final race in 1997.[5]
For the 1998 season, Colorado was dropped from the schedule in favor ofPikes Peak International Raceway inColorado Springs, which hosted the series until 2002.[6]
TheARCA Menards Series West has raced at Colorado 19 times since 1995 (as of 2021).Chris Eggleston holds the most-series wins at the track with three.[5]
In 2019, the track was repaved.[7]
NASCAR Midwest Series ran nine races at the speedway from 1999 through 2006, andNASCAR Southwest Series hosted 20 events at the track between 1992 and 2006.