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Colorado National Speedway
Colorado National Speedway pictured ahead of the NAPA Auto Parts Colorado 150 for the ARCA Menards Series West in Dacono, Colorado, on July 31, 2021. (Chet Strange/ARCA Racing)

NAPA Auto Parts Colorado 150 start time moved up an hour

DACONO, Colo. — Saturday night’s NAPA Auto Parts Colorado 150 at Colorado National Speedway in Dacono, Colorado, the fourth race of the 2021 ARCA Menards Series West season, will start at 7 p.m. MT / 9 p.m. ET.

Originally scheduled to begin an hour later, the event’s start time was modified due to the threat of inclement weather in the area Saturday evening.

Additionally, the combined practice/qualifying session that was scheduled for 4:30 – 5:45 p.m. MT on Saturday at Colorado National was delayed and eventually canceled due to a passing rain shower.

The field was set based on ARCA Menards Series West car owner points standings.

As originally programmed, the NAPA Auto Parts Colorado 150 will be shown live on NBC Sports Gold’s TrackPass.