iRacing Build Tracker

Latest Build News, Updates & Rumors

Current Build 2026 Season 4 September 2026
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iRacing Build News, Updates, & Rumors

🛠Next Build: Season 4 — September 202632 items tracked
12Confirmed
10Likely
10Small Chance
Last updated: August 28, 2026

Aston Martin Valkyrie AMR-LMH S4 Confirmed:
#cars #endurance #next-build #next-build-confirmed #confirmed
  • Season 4 2026 confirmed. The Valkyrie AMR-LMH is a separate car from the Vantage AMR-LMH (GTP) already tracked above. The Valkyrie uses a 6.5L naturally aspirated V12 hybrid powertrain producing over 1,000hp in LMH specification. iRacing confirmed it for Season 4 in the August 2026 development update. (iRacing Dev Update) (08.28.26)

Gen 4 Grand National S4 Confirmed:
#cars #nascar #next-build #next-build-confirmed #confirmed
  • Season 4 2026 confirmed. The Gen 4 Grand National stock car is confirmed for the Season 4 build per the August 2026 development update. (iRacing Dev Update) (08.28.26)

Mazda MX-5 Physics Rework S4 Confirmed:
#cars #physics #next-build #next-build-confirmed #confirmed
  • Season 4 2026 confirmed. iRacing confirmed a physics rework for the Mazda MX-5 in the August 2026 development update, improving its handling model and tire behavior for the Season 4 build. (iRacing Dev Update) (08.28.26)

Pit Summary & Car Damage UI S4 Confirmed:
#features #ui #next-build #next-build-confirmed #confirmed
  • Season 4 2026 confirmed. A redesigned Pit Summary screen and expanded Car Damage UI are confirmed for the Season 4 build. The Pit Summary gives drivers a post-stop breakdown of times and service, while the Car Damage display expands what is visible to drivers and crew during a session. (iRacing Dev Update) (08.28.26)

Future Track Refreshes and Rescans
#oval-tracks #next-build #next-build-confirmed#road-tracks #confirmed
  • Brands Hatch refresh previously mentioned. (iRacing Dev Update) (07.01.23)
  • UPDATE: Multiple IndyCar-related track projects confirmed underway, a mix of art refreshes and full rescans. (iRacing Dev Update) (11.14.25)
  • UPDATE 2: A four-track US scan trip announced covering road circuits from the Midwest to Monterey County, California. Likely implies Mid-Ohio, Road America, Milwaukee, and Laguna Seca at minimum. (iRacing Dev Update) (11.14.25)
  • UPDATE 3: Scan team described as overbooked with a stacked schedule. International scan partners also lined up for multiple new scans. (iRacing Dev Update) (02.26.26)
  • UPDATE: WeatherTech Raceway Laguna Seca has been officially confirmed for Season 3 as a full ground-up rescan and now lives as its own item. Mid-Ohio, Road America, and Milwaukee rescans are also complete with production underway. (iRacing Dev Update) (05.29.26)
  • UPDATE S4: Road America, Mid-Ohio, and Milwaukee Mile rescans confirmed shipping in Season 4 2026. All three rescans were production-complete as of May 2026. (iRacing Dev Update) (08.28.26)

Multiclass Starts S4 Confirmed (Race Control UPDATE 2):
#features #next-build #next-build-confirmed #confirmed
  • Race control system improvements confirmed in development. Will affect how penalties, flags, and race management work in organized sessions. (11.14.25)
  • UPDATE: iRacing ran an iTested community test at Watkins Glen featuring a new multiclass starting procedure. Each class receives its own dedicated pace car and a staggered green flag release, eliminating the bunching that occurs with a single pace car in multiclass sessions. (iRacing.com) (07.21.26)
  • 📰 iRacing Multi-Class Pace Cars: The iTested Series Explained
  • 📰 iTested Series Goes Live This Week at Watkins Glen
  • UPDATE 2 S4: Multiclass start procedure confirmed for Season 4 2026 per the August development update. The per-class pace car format tested in the iTested series is shipping as a standard feature. (iRacing Dev Update) (08.28.26)

iRacing confirms Career Mode is coming! UPDATE 10:
#features #career-mode #next-build #next-build-likely #confirmed
  • iRacing first mentioned Career Mode in its July 2026 development update, describing it as a “realistic and engaging Career Mode built true to the authentic nature of what iRacing and real world racing is all about.” No timeline given. (iRacing Dev Update) (07.26.23)
  • UPDATE: Career Mode team making “significant headway” with design, sim engineering, web engineering and backend systems all engaged. (iRacing Dev Update) (11.03.23)
  • UPDATE 2: iRacing said delivering Career Mode would take into 2025, with incremental improvements to career-adjacent UI systems coming along the way. (iRacing Dev Update) (02.14.24)
  • UPDATE 3: Career Mode split into two phases. Phase 1 is “AI Championships” — a structured single-player ladder from grassroots racing to the top of the sport. Phase 2 is the full career experience. AI Championships targeted for 2025. (iRacing Dev Update) (11.13.24)
  • UPDATE 4: iRacing confirmed Career Mode took a detour while core sim and AI systems required for the mode were built, including Adaptive AI. Development back on track as of this update. (iRacing Dev Update) (05.20.25)
  • UPDATE 5: Career Mode confirmed well underway. iRacing described AI driver-powered racing ladders, a Save Game feature, and multiple teams working on it as their top priority. No release window given. (iRacing Dev Update) (08.21.25)
  • UPDATE 6: Brief mention — “large-scale project involving teams across multiple departments.” More details promised for next update. (iRacing Dev Update) (11.14.25)
  • The Future of iRacing: New Graphics, Career Mode, and 2026 Roadmap (01.20.26)
  • UPDATE 7: Full end-to-end game loop testing underway. iRacing said the initial release is designed as a foundation for continuous expansion over future seasons. More details promised for the next dev update. (iRacing Dev Update) (02.26.26)
  • UPDATE 8: iRacing officially confirmed Career Mode is coming in Season 3 2026, with a full deep-dive preview promised. The mode is described as a foundational release built for expansion across future seasons. (05.27.26)
  • UPDATE 9: Career Mode did not ship with Season 3 2026 despite being confirmed. Development is ongoing and a full feature deep-dive is still promised ahead of Season 4. (iRacerHub S3 Build Breakdown) (06.09.26)
  • UPDATE 10: iRacing confirmed Career Mode has reached the technology-complete milestone in the August 2026 development update. Core systems are finished; no Season 4 ship date announced. A full feature preview is still expected before launch. (iRacing Dev Update) (08.28.26)
  • 📰 iRacing Career Mode Is Coming and a Full Deep-Dive Preview Is Next (06.02.26)
  • See all Career Mode news

Physics Islands: Multi-Threading Overhaul S4 Confirmed UPDATE 2:
#physics #next-build #next-build-confirmed #confirmed
  • The first key component of iRacing’s physics-modernization roadmap is undergoing extensive testing, with major CPU usage drops observed. Did not ship with Season 3 2026 as targeted. (iRacing Dev Update) (05.28.26)
  • UPDATE 2 S4: Physics Islands confirmed for Season 4 2026 in the August development update. The multi-threaded physics model runs each car’s physics in an isolated computational island, enabling more accurate simulation at scale and opening the door to larger grid sizes without CPU bottlenecks. (iRacing Dev Update) (08.28.26)

Caterham Academy & 420R S4 Confirmed UPDATE 3:
#cars #next-build #next-build-confirmed #confirmed
  • iRacing confirmed a new entry-level car is coming with a new partner, describing it as “a thrill to drive in the sim, while also providing an academic entry point to auto racing and simulation racing.” (iRacing Dev Update) (11.14.25)
  • UPDATE: A hint could be in the early first look at iRacing Arcade where the Fiat 500 appears. (Fiat 500 in iRacing Arcade image) (11.17.25)
  • UPDATE 2: A Caterham Seven has now shown up in iRacing Arcade as well. iRacing Arcade has been used before as a soft preview for upcoming content, making both appearances worth watching. The Caterham fits the “academic entry point” description well. In real-world motorsport it is one of the most widely used driver development tools, especially in UK club racing where it serves as many drivers’ first proper race car. No official confirmation on which vehicle it actually is, or whether both eventually make it in. (iRacing Arcade Post on X) (03.19.26)
  • Is the Caterham Seven iRacing’s Next Entry-Level Car? (04.07.26)
  • UPDATE 3 S4: iRacing officially confirmed the Caterham Academy and Caterham 420R for Season 4 2026 in the August development update. Both variants ship together, giving iRacing a dedicated beginner-to-club ladder that mirrors the real-world Caterham Academy series. (iRacing Dev Update) (08.28.26)

Spark: iRacing’s New Graphics Engine UPDATE 3:
#graphics #next-build #next-build-longshot #confirmed

Dallara IR-28 Coming to iRacing? UPDATE:
#cars #indycar #rumor
  • IndyCar officially unveiled the Dallara IR-28 on July 28, 2026, the chassis and powertrain package replacing the IR-18 when the 2028 NTT INDYCAR SERIES season begins. The car is approximately 100 pounds lighter than the current IR-18, powered by a new 2.4L twin-turbo V6 hybrid producing up to 760hp. iRacing has held the official IndyCar license since the IR-18 era and matched the real-world car debut with a sim release in the same year. No official iRacing announcement on the IR-28 yet, but the precedent and the partnership make it a near-certain eventual addition. (IndyCar Official Announcement) (07.28.26)

IndyCar Street Courses UPDATE:
#road-tracks #next-build #next-build-longshot #rumor
  • Four potential IndyCar street venues (Arlington, Detroit, Markham, Washington D.C.) linked to the IndyCar video game expected in the second half of 2026. No official word. (08.21.25)
  • UPDATE: iRacing Studios officially announced INDYCAR Racing The Game, a standalone INDYCAR video game launching early 2027 on PS5, Xbox, and Steam. The game will include street circuits from the NTT INDYCAR SERIES schedule. No announcement of these venues coming to iRacing proper. (iRacing.com) (07.10.26)
  • 📰 INDYCAR Racing The Game Gets 2027 Release Window (07.10.26)

Summit Point Motorsports Park Refresh
#road-tracks #next-build #next-build-likely #wip
  • Ground-up artwork refresh, a two-season project. iRacing said it would ship in the June build. (iRacing Dev Update) (02.26.26)
  • UPDATE: Slipped past Season 3. iRacing said it needed a bit more time and pushed it to a future build. (07.05.26)

128 Cars Per Session
#features #next-build #next-build-longshot #future
  • iRacing confirmed that 128 or more cars per session is a future platform goal, with implications for larger NASCAR ovals, bigger endurance grids, and more realistic multiclass fields. Source pending verification. (06.04.26)
  • Season 3 (06.10.26) increased the per-session car limit from ~64 to 72, confirming the first incremental step toward the 128-car goal.
  • iRacerHub: iRacing Is Working Toward 128 Cars Per Session

Track Reverb & Reverb Zones
#features #next-build #next-build-confirmed #confirmed
  • Track Reverb confirmed debuting in Season 4, with Reverb Zones also planned for Season 4. iRacing’s reverb work was briefly on detour for performance optimization but is now officially back on track with new audio hires. (iRacing Dev Update) (05.28.26)

Circuit Bugatti
#road-tracks #next-build #next-build-confirmed #confirmed
  • iRacing announced a return to Le Mans, France with Circuit Bugatti, now in pre-production. It shares about a third of its length with the Le Mans 24h course. (iRacing Dev Update) (05.28.26)

New Helmet Model UPDATE:
#features #next-build #next-build-likely #confirmed
  • A new helmet model is in the works. Part of ongoing visual fidelity improvements. (11.14.25)
  • UPDATE: iRacing confirmed a long-overdue driver gear upgrade is coming next season with more details promised soon. (iRacing Dev Update) (05.28.26)

Circuit Paul Ricard
#road-tracks #next-build #next-build-likely #confirmed
  • Confirmed for 2026 release in November 2025 dev update (11.25). Part of iRacing’s future track pipeline. (11.14.25)
  • UPDATE: iRacing is scanning Circuit Paul Ricard next month, texture work already underway. Confirmed coming. (iRacing Dev Update) (05.28.26)

NTMv10 Future Tire Model
#physics #next-build #next-build-longshot #confirmed

Lamborghini Temerario GT3
#cars #gt3 #rumor
  • The Temerario GT3 replaced the Huracán GT3 in real-world racing, debuting at the 12 Hours of Sebring in March 2026. iRacing currently uses the Huracán GT3 EVO as a stand-in for its DTM series because the Temerario is not yet available. The existing Lamborghini partnership and the DTM gap make this a likely future addition. No official announcement. (Community speculation, DTM partnership gap) (04.11.26)
  • Could the Lamborghini Temerario GT3 Be Coming to iRacing? (04.11.26)

Salem Speedway
#oval-tracks #next-build #next-build-longshot #rumor
  • Rumored based on community interest and iRacing’s ongoing expansion of short track content. Nothing confirmed. (04.01.26)

TT Circuit Assen
#road-tracks #next-build #next-build-longshot #rumor
  • Rumored based on community interest. The Dutch circuit is famous for MotoGP but also hosts car racing events. Nothing confirmed. (04.01.26)

Rockingham Speedway (US)
#oval-tracks #stalled
  • The one-mile North Carolina oval. No recent updates on development status. (04.01.26)

New Jersey Motorsports Park
#road-tracks #stalled
  • Technically available as a tech track but the artwork remains unfinished. (04.01.26)

2027 Mercedes AMG GT3 Coming to iRacing?
#cars #gt3 #next-build #next-build-longshot #rumor
  • The 2027 Mercedes-AMG GT3 is confirmed for real-world IMSA competition. No iRacing announcement, but iRacing has existing relationships with both Mercedes and IMSA, making it a reasonable candidate for a future addition. Nothing official. (IMSA Post on X) (03.24.26)

Aston Martin Vantage AMR-LMH (GTP)
#cars #endurance #next-build #next-build-confirmed #confirmed
  • Signed mid-2025. iRacing was still collecting data as of January 2026. (iRacing Dev Update) (01.01.26)
  • UPDATE: Multimatic signed on to the project, giving iRacing access to all the data they need. Biggest hurdle cleared, but still a while out. (iRacing Dev Update) (02.26.26)

Oval Rubber/Surface Behavior Updates
#physics #next-build #next-build-likely #confirmed
  • Oval surface behavior and rubber buildup modeling mentioned as an active area of development. Part of ongoing physics improvements for oval racing. (iRacing Dev Update) (02.26.26)
  • UPDATE: Confirmed as a multi-season project; began partially rolling out in Season 2 with continued rubber buildup and surface behavior improvements planned for subsequent releases. (iRacing Dev Update) (02.26.26)

Bowman Gray Stadium coming to iRacing? UPDATE 3:
#oval-tracks #next-build #next-build-longshot #rumor
  • NASCAR announced the 2025 Clash would be held at Bowman Gray Stadium, marking the Cup Series’ first visit to the historic quarter-mile since 1971. iRacing has a history of adding tracks ahead of their NASCAR schedule debut. The LA Coliseum appeared in iRacing before it hosted a Clash. The track was scanned ahead of the event, but reports indicate the scan was done for Goodyear tire data, not iRacing content development. (NASCAR Post on X) (08.17.24)
  • UPDATE: The 2025 Clash at Bowman Gray ran February 2, 2025. No iRacing announcement followed the event. (source) (02.02.25)
  • UPDATE 2: NASCAR confirmed the 2026 Clash would return to Bowman Gray. Still no iRacing announcement. (NASCAR.com) (07.09.25)
  • UPDATE 3: The 2026 Clash ran February 4 at Bowman Gray. Still no word from iRacing. (02.05.26)

Bahrain International Circuit
#road-tracks #next-build #next-build-confirmed #confirmed
  • Confirmed for 2026 release in November 2025 dev update (11.25). Part of iRacing’s future track pipeline. (11.14.25)

Dirt Oval Improvements
#features #next-build #next-build-likely #confirmed
  • Broader dirt oval improvements referenced alongside Dirt Oval AI work. Covers physics, surface behavior, and general dirt racing experience upgrades. (11.14.25)

GT3 Pit Stop Animation
#features #next-build #next-build-likely #confirmed
  • New pit stop animations for GT3 class vehicles are confirmed in development. No release timeline. (11.14.25)

Save Feature
#features #next-build #next-build-likely #confirmed
  • A save/resume feature for races has been referenced in connection with Career Mode development. Would allow pausing and resuming offline sessions. (11.14.25)

Indianapolis Motor Speedway Dirt Oval
#dirt-oval-tracks #stalled
  • Confirmed scanned summer 2021. Was likely paused due to MSG/IndyCar exclusive rights. IMS signed a new iRacing contract January 2024. (11.14.25)

Pukekohe Park Raceway
#road-tracks #stalled
  • Confirmed scanned February 2020. Track closed permanently April 2023. Status unknown. (11.14.25)

Kyalami Grand Prix Circuit
#road-tracks #next-build #next-build-longshot #rumor
  • Possibly leaked via the iRacing Arcade trailer in October 2025. Likely to be announced alongside other Arcade track confirmations. Nothing official. (10.01.25)

Circuit Ricardo Tormo
#road-tracks #next-build #next-build-likely #confirmed
  • Confirmed via NASCAR Euro Series partnership (06.26.25). Part of iRacing’s future track pipeline. (06.26.25)

Berlin Raceway
#oval-tracks #stalled
  • Confirmed scanned. Track released a statement in January 2025 (01.25) saying they’d love to be on iRacing but it’s not in the plans for now. (01.01.25)

Illinois State Fairgrounds
#dirt-oval-tracks #stalled
  • One-mile dirt track. Plans to scan mentioned September 2024 (09.24). Unknown if the scan was completed. (09.01.24)

Croft Circuit
#road-tracks #next-build #next-build-longshot #wip
  • Croft Circuit has appeared in work-in-progress teaser content (08.24). The 2.13-mile North Yorkshire circuit is a British Touring Car Championship staple. No release timeline announced. (08.01.24)

Florence Motor Speedway
#oval-tracks #stalled
  • Confirmed scanned August 2024 (08.24). Production status unknown. One of the CARS Tour tracks. (08.01.24)

Winchester Speedway
#oval-tracks #next-build #next-build-likely #wip
  • Winchester has appeared in work-in-progress teaser content (07.23). The half-mile Indiana oval is a staple of short track racing in the US. No release timeline announced. (07.01.23)

Palm Beach International Raceway
#road-tracks #stalled
  • Formerly Moroso. Scanned, possible tech track release. Track closed in real life in early 2022. (01.01.22)

Anderson Speedway
#oval-tracks #stalled
  • Quarter-mile Indiana oval. Confirmed scanned but no production updates in years. (08.01.14)

Montgomery Motor Speedway
#oval-tracks #stalled
  • Mentioned on the pipeline December 2013. Reportedly scanned August 2014. No updates. (12.01.13)

Miller Motorsports Park
#road-tracks #stalled
  • Scanned, may release as a tech track. Last mentioned May 2013. (05.01.13)

Rockingham Motor Speedway (UK)
#oval-tracks #stalled
  • Signed March 2013. No production updates since. (03.01.13)

Mallory Park
#road-tracks #stalled
  • Signed July 2012. Nothing since. (07.01.12)

Belleville High Banks
#oval-tracks #dirt-oval-tracks #stalled
  • Announced in 2017, nothing since. (01.01.17)

🔥 Hot Topics

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Major physics overhaul with double-precision calculations and improved contact patch modeling.

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iRacing has confirmed 128 or more cars per session is a future platform goal — larger NASCAR ovals, bigger endurance fields, more realistic multiclass racing.

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