9th Annual Battle of The Fenders 300 Lap Enduro

Saturday December 6, 2025

Gates Open - 8:00 AM | Racing Begins - 11:00 AM

PIT SIDE TICKETS AVAILABLE AT GATE ONLY

LATEST NEWS

9th Annual Battle of the Fenders Postponed to December 6th due to weather

11/26/25 - Dacono, CO Colorado National Speedway officials have been closely monitoring the weather forecast all week and have made the decision to postpone the 9th Annual Battle of the Fenders race to NEXT Saturday December 6, 2025 due to snow/cold. Open Practice: Friday, December 5 Gates Open: 12pm Track Hot: 1pm to 5pm Saturday, December 6: Gates Open: 8:00am Racing Starts: 11:00am Drivers you still have time to register for the race by clicking here. We look forward to se

CNS Staff

2026 CARS Tour West/Northwest Pro Late Model Rule Bulletin

November 17, 2025 See below updated rules bulletin for CARS Tour West/Northwest Pro Late Model. Click Here to Download Bulletin Click Here to Download 2026 Pro Late Model Specifications & Guidelines

CNS Staff

Colorado National Speedway drivers to be recognized at the 2025 NASCAR Awards Ceremony

Since becoming a paved 3/8 mile oval in 1989, Colorado National Speedway has been apart of the NASCAR Weekly Racing Series program which gives our drivers a chance to be recognized nationally for their accomplishments and compete against drivers from across the country to accumulate the most points to win a national championship in the NASCAR regional series. There are five divisions that compete for national points each year with division 1 being the premier division at NASC

CNS Staff

Announcing the details for the 9th Battle of the Fenders 300 Lap Enduro

Date and Time: Friday, November 28 th CNS will open the pits on Friday from 1pm to 5pm for parking, tech, and tire mounting; as well as some practice time for those who want it. Track time will cost $25 per car and waivers must be signed, and just a $10 charge for crew. Pit stalls will be assigned on a first come, first serve basis and trailers may be parked overnight. Saturday, November 29 th Gates will open at 8am, and the race will begin at 11:00am. Pits will be open to

CNS Staff

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RACE NIGHT SCHEDULE

APRIL - SEPTEMBER

Pit Gate & Tech Opens: 1:00pm

Practice Begins: 3:00pm

Driver's Meeting: 5:15pm

Qualifying: 5:30pm

National Anthem: 6:20pm

Racing Begins: 6:30pm Sharp

HALLOWEEN RACE:

Pit Gate & Tech Opens: 10:00am

Practice Begins: 11:30am

Driver's Meeting: 12:45pm

Qualifying: 1:00pm

Trick or Treat: 2:00pm

Clear Infield: 3:05pm

National Anthem: 3:15pm

Racing Begins: 3:30pm Sharp

COLORADO NATIONAL SPEEDWAY

AFFORDABLE FAMILY FUN AT COLORADO'S ONLY NASCAR TRACK

Photo taken during our 2024 SOLD OUT Sprint Car Spectacular

Colorado National Speedway has been thrilling fans since 1965, when visionaries Gene & Gerta Heffley carved a one-mile dirt oval track out of a field with a spectacular view of the Rocky Mountains. Later on, CNS was a high banked half-mile dirt track before being reconfigured and paved in 1989. Since then, Colorado National Speedway has been a part of the NASCAR Weekly Racing program, and has hosted major race events such as the NASCAR Craftsman Truck Series from 1995 – 1997.

This summer, CNS is excited to celebrate our 60th consecutive season and continue the tradition of short track racing in Colorado with epic events: the 4th of July Winged Sprint Car Spectacular, Father's Day Super Sunday Monster Truck Show, ARCA Menards Series, CARS Tour West, Legend Summer Nationals, North American Big Rigs & more. CNS also plays host to an incredible weekly racing program featuring some of the best drivers in the Rocky Mountain Region competing regularly across 11 different divisions. Check out our event schedule to find out what is upcoming, and grab your tickets to experience a thrilling night of action at Colorado's premier NASCAR short track, Colorado National Speedway!