NASCAR O'Reilly Auto Parts Series at Dover Motor Speedway
NASCAR Xfinity Series race at Dover Motor Speedway

Stock car racing events in the NASCAR O'Reilly Auto Parts Series have been held at the Dover Motor Speedway. The track held 2 races annually from 1986 to 2020. The track dropped to one race a year in 2021, as Dover Motorsports gave a race to Nashville Superspeedway, where an annual race is held.
Current date
The BetRivers 200 is an annual 200-mile (321.869 km) NASCAR O'Reilly Auto Parts Series stock car race held at the Dover Motor Speedway in Dover, Delaware. Corey Day is the defending winner of the event, having won it in 2026.
History
The race was broadcast in the United States on ESPN until 2015, when the race moved to Fox. In 2016, the race was moved to the second week of May because of the Cup Series race, and was 200 laps in total with two 40 lap heats and 120 lap main as part of the Xfinity 'Dash 4 Cash' program. In 2017, the race would not use the heat races and would utilize NASCAR's new stage format with stages 1 and 2 being 60 laps each, with last stage being the final 80 laps.
The 2020 race was originally scheduled for May 2 before being postponed to August 22 due to the COVID-19 pandemic. As part of a revised track schedule, the race was held the day before the original fall event, also named the Drydene 200.
“NASCAR O'Reilly Auto Parts Series at Dover Motor Speedway” enters the record as nASCAR Xfinity Series race at Dover Motor Speedway. Crown Archives preserves that source wording while asking what NASCAR, O'Reilly and Auto can confirm, complicate or overturn.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 27, 2026. The linked authority identifier is Q4639658. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1986, 2020, 2021 and 2026.
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This entry incorporates text from “NASCAR O'Reilly Auto Parts Series at Dover Motor Speedway” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.