June 30, 2025 | By Matt Skipper, DIRTcar Racing PR

Heavy Rain Forecasts Cancel DIRTcar Summer Nationals, Summit Modifieds Visit to Old No. 1 Speedway

HARRISBURG, Ark.—Overnight showers combined with weather models showing continuous heavy rain throughout the day at Old No. 1 Speedway, have led DIRTcar Racing and track officials to cancel Monday’s DIRTcar Summer Nationals and DIRTcar Summit Racing Equipment Modified Nationals programs. 

Week 4 begins on Tuesday with the Summer Nationals and Summit Modified Nationals visiting Missouri’s Benton Speedway on Tuesday, July 1. 

If you can’t make it to the track, you can watch every DIRTcar Summer Nationals race live on DIRTVision.