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Research dossier · General Reference

NASCAR Cup Series at Chicagoland Speedway

stock car race in Illinois, USA

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 18, 2026
Entity authorityQ1485140 ↗
Source-derived summary

Stock car races in the NASCAR Cup Series are held at the Chicagoland Speedway in Joliet, Illinois, currently known as the eero 400 for sponsorship reasons. Previously, the race was held in July from 2001 through 2010, with night races held from 2008 to 2010. From 2011 to 2017, the races were held as the first race of the Cup Series playoffs in the round of 16. In 2018, as part of the schedule realignment, the race was held on the last weekend of June. The race was placed on hiatus from 2020 to 2025 and returned in 2026.

Chase Briscoe is the defending winner of the race.

Race history

In May 2000, as Chicagoland Speedway was under construction, it was announced that the track would hold a NASCAR Winston Cup Series race beginning in the 2001 season. Tropicana served as the race's sponsor from 2001 to 2004, followed by USG Corporation from 2005 to 2007, LifeLock from 2008 to 2010, GEICO from 2011 to 2013, Johnson & Johnson's Janssen Pharmaceuticals from 2014 to 2015, and Nickelodeon has sponsored the race through the network's SpongeBob SquarePants and Teenage Mutant Ninja Turtles series since 2016. Kevin Harvick won the first two runnings of the race in 2001 and 2002, while Tony Stewart has the most wins in the race's history, having won it three times, in 2004, 2007, and 2011. Traditionally run in early to mid-July, the race became the opening race of the NASCAR playoffs in 2011, moving the race to mid-September in the process.

Editorial summary

Begin with the source’s own compact description: “NASCAR Cup Series at Chicagoland Speedway” is stock car race in Illinois, USA. The dossier treats that line as a proposition to test through NASCAR, Series and Chicagoland, not as a finished interpretation.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—2001, 2010, 2008, 2011—that can be checked directly. The linked authority record independently contributes the date 2001. For this dossier, NASCAR, Series and Chicagoland is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “stock car race in Illinois, USA” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 18, 2026. The linked authority identifier is Q1485140. None of the 1 selected statements returned an explicit reference. The first chronological checks are 2001, 2010, 2008 and 2011.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
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Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “NASCAR Cup Series at Chicagoland Speedway”, its source revision and the description used here.
  2. Expand the search: follow NASCAR Cup Series at Chicagoland Speedway primary sources, NASCAR Cup Series at Chicagoland Speedway archive and NASCAR research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from “NASCAR Cup Series at Chicagoland 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.