NASCAR announced the Chicagoland Speedway return on August 20, 2025, as part of its full 2026 schedule release. The Cup Series will race at the 1.5-mile tri-oval in Joliet, Illinois on Sunday, July 5, 2026, under the name eero 400 — eero was named as the title sponsor in May 2026. The race slots into the TNT Sports portion of the season and serves as Round 2 of the 2026 In-Season Challenge, a bracket-style tournament offering drivers a shot at $1 million.

It isn’t just a Cup weekend, either. The NASCAR O’Reilly Auto Parts Series races on Saturday, July 4, while the ARCA Menards Series opens the weekend on Friday, July 3 — a full three-day Independence Day celebration in Joliet.

Chicagoland Speedway didn’t happen by accident. During the 1990s stock car boom, NASCAR, Indianapolis Motor Speedway, and Menards formed the Motorsports Alliance specifically to find an untapped major market for a new intermediate oval. After failed proposals in DuPage Airport and the town of Plano, they landed on Joliet — adjacent to the existing Route 66 Raceway — in 1999. The Joliet city council voted unanimously to approve the project, which an economic impact study projected would generate $300 million and more than 3,000 jobs for the Will County region.

The speedway opened on July 12, 2001, and immediately made its mark. The inaugural Cup race — the Tropicana 400 — was won by Kevin Harvick, who came back and won again in 2002. IndyCar joined the calendar the same year and instantly produced one of the sport’s most dramatic moments: a 0.0024-second victory margin for Sam Hornish Jr. over Al Unser Jr. — still the closest finish in IndyCar history. The track quickly earned a reputation as one of the most competitive ovals on any schedule.

The Chase Era and the Slide Job

From 2011 to 2017, Chicagoland held an even more prominent spot: the opening race of the NASCAR playoffs, formerly known as the Chase for the Cup. Every September, the field arrived in Joliet knowing the next 10 laps were the beginning of the real season. That pressure produced memorable racing, and Tony Stewart — who won in 2004, 2007, and 2011 — became the track’s defining Cup champion. In 2018, the race moved back to its original July slot, and it delivered one of the decade’s most discussed finishes: Kyle Busch and Kyle Larson, wheel-to-wheel in the closing laps, contact, chaos, and Busch taking the win amid a cascade of boos from a crowd that had been cheering for Larson. That’s the kind of moment a venue lives on.

Why the Track Went Dark

By 2019, attendance had been declining for several years. The racing on intermediate ovals was frequently criticised as processional — a knock that applied across the schedule, not just to Joliet — and Chicagoland’s seating capacity of 47,000, while modest by NASCAR standards, was increasingly difficult to fill. When COVID-19 forced a wholesale schedule realignment in 2020, Chicagoland was one of the venues cut. NASCAR confirmed on September 29, 2020 that the track would not return. Its Cup date went to Road America. The facility itself, owned by NASCAR, remained dormant rather than permanently closed — a meaningful distinction that left the door open.

Ben Kennedy, NASCAR’s executive vice president for venue and racing innovation, was direct about the driving forces when the announcement landed. “Our fans have been asking for a race in Joliet for the past several years,” he said. “If you look at the racing product on our mile-and-a-half tracks, they’ve been some of the most competitive and compelling events that we’ve had in our season, and we’re confident that Joliet is going to deliver exactly that.”

That’s not spin. The data backs it. Since 2022, intermediate oval races have consistently ranked among the season’s highest-rated events for both television and in-person attendance. The Next Gen car, with its spec components and standardised splitter and diffuser package, produces more mechanical grip variance between drivers and more opportunities for genuine overtaking on 1.5-mile tracks than its predecessor did. The racing product that once bored fans at Chicagoland is, genuinely, different now.

The Midwest Market Was Too Big to Leave Uncovered

The Chicago metro area is one of the largest sports markets in the United States, and NASCAR has had a visible presence there since 2023 via the downtown street race. However, NASCAR confirmed in mid-2025 that the Chicago Street Race would not return in 2026, citing the need to “develop a plan that further optimizes operational efficiencies” — with the door left open for a 2027 return. That created a problem: the sport had spent three years building regional engagement, and a complete absence from the Chicago area in 2026 risked losing momentum. Chicagoland solved it. As Kennedy acknowledged, the Midwest is a strategic priority: “I think what we’re trying to do is cover the entire country and spread our events out evenly.”

Moreover, Joliet’s location — just south of downtown Chicago — means the existing regional fanbase is still reachable. The July 4 weekend slot is the same one NASCAR used for the Chicago Street Race, which means fans who cleared that weekend on their calendars in previous years are already conditioned to think of it as NASCAR time. That is a real scheduling advantage, and NASCAR was clearly aware of it. Meanwhile, the race ties into Joliet’s own 2026 calendar: the city is celebrating the 100th anniversary of Route 66 — which runs directly past the track — and a new $20 million Joliet City Square is opening downtown that same year.

The In-Season Challenge Slot — and Why It Matters

The race isn’t just filling a gap. It’s been given a meaningful competitive role: Round 2 of the 2026 In-Season Challenge, NASCAR’s bracket-style tournament where drivers race head-to-head for $1 million. The five-race stretch runs Sonoma (June 28) → Chicagoland (July 5) → Atlanta → North Wilkesboro → Indianapolis Motor Speedway oval. That’s strong company, and it means the Joliet event won’t be a throwaway — there’s real money and real standings pressure attached to it. For a track making its first appearance back on the schedule, that’s a significant vote of confidence from NASCAR’s scheduling team.

Furthermore, NASCAR has committed to facility improvements before the race. Kennedy confirmed plans for upgrades starting in late 2025 and continuing into spring 2026: “We’re going to be making improvements to Chicagoland before we go back. The good news is, it’s relatively Cup-ready, so we won’t need to make significant improvements or changes to the facility, but the fans can expect it to feel like a Cup-ready facility when they come there in July.”

What This Means for the 2026 NASCAR Schedule

Chicagoland’s return is part of a wider 2026 schedule shakeup. North Wilkesboro Speedway, absent since 1996, gets its first points race since then (July 19). Dover Motor Speedway takes over as the All-Star Race host (May 17). The season finale moves from Phoenix back to Homestead-Miami Speedway. And San Diego’s Naval Base Coronado hosts an entirely new street course event (June 21). In that context, Chicagoland isn’t an outlier — it’s part of a deliberate pattern of revisiting proven venues and reviving regional markets that have demonstrated sustained fan appetite. To understand how NASCAR’s scheduling strategy has evolved, you have to appreciate how differently the series thinks about intermediate ovals today versus five years ago.

Three days, three series, one of the most evocative weekends in American sport. Independence Day weekend at a speedway has its own particular energy — the heat, the fireworks, the flags — and Joliet is getting all of it back in 2026. Pat Warren, NASCAR’s VP for the Midwest Region, summed it up: “There is a history and tradition of great NASCAR racing at Chicagoland Speedway, so we look forward to building on the tremendous fan momentum throughout the entire state of Illinois.”

Race Weekend Schedule

What to Watch For on Track

Chicagoland’s 18-degree banking in the turns and its singular continuous curve backstretch — rather than a traditional straight — create an unusual aerodynamic environment. Cars can run three-wide through the turns more comfortably than at many comparable ovals. Under the Next Gen car, that produces exactly the kind of racing that has made tracks like Las Vegas and Kansas must-watch events in recent seasons. Drivers who excel at managing tire degradation and executing the undercut strategy through pit cycles tend to win at Chicagoland — which rewards strategic pit crews as much as outright car speed. Expect multiple viable lines in the closing stages and a genuinely contested finish.

Additionally, the In-Season Challenge format adds a tactical layer. With bracket implications at stake, teams may approach race strategy differently than a standard points-only event — some drivers protecting challenge position, others swinging for an outright win to claim the top seed. It’s a new dynamic at a revived track, and it will be worth watching how crew chiefs navigate it.

Will Chicagoland Become Permanent Again?

NASCAR has committed to one year at this point — and Kennedy has been careful to frame the return as an experiment they’re confident in, not an automatic multi-year commitment. However, the signals are encouraging: the facility is NASCAR-owned, the upgrades are being made, the sponsor is in place, and the regional political goodwill is high. Joliet Mayor D’Arcy said publicly that he hopes this is “the first of many more years.” If the crowd shows up and the racing delivers — both plausible — Chicagoland could well become a permanent fixture on the calendar again. Kennedy also left the door open for the Chicago Street Race to return in 2027, suggesting the two events could eventually coexist in the broader schedule rotation.