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NEXT BUILD Season 4: September 2026
5 Confirmed
13 Likely
10 Small Chance
See It All Below โ†“
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  • Multiple iRacing cars racing wheel-to-wheel on a road circuit during an online race session

    Your First iRacing Race: A Practical Plan

    Nervous about your first iRacing race? Here is a practical plan covering qualifying, Lap 1, incident points, and what to review when it is done.

    Read More Your First iRacing Race: A Practical PlanContinue

  • Steven Wilson No. 77 Spire Motorsports eNASCAR Race 10 Michigan win

    Steven Wilson Wins eNASCAR Race 10 for Championship 4 Spot

    Steven Wilson dominated eNASCAR Race 10 at Michigan, leading 53 of 73 laps to clinch his Championship 4 Finale spot and record his 20th career win.

  • iRacing MX-5 Cup cars racing side by side on track, illustrating the close competition where iRacing consistency and pace both matter

    Is Consistency Enough in iRacing? When Pure Pace Matters More

    iRacing consistency keeps you safe and incident-free through the early license levels. But thereโ€™s a point where clean laps stop being enough, and finding pace becomes the real work.

Up Next ยท Special Event

Knoxville Nationals

Knoxville Raceway ยท 410 Sprint Cars

Aug 4โ€“9

See Event Info โ†’ All Races & Events
  • iRacing Rebuilds Road America, Mid-Ohio, and Milwaukee Mile in Season 4

    Road America, Mid-Ohio, and Milwaukee Mile are all rebuilt from new laser scans for iRacing Season 4 2026. Existing owners get the updates free. Older versions retire.

  • Top 5 Cars to Buy in iRacing

    The iRacing catalog has hundreds of cars, but only a few consistently deliver race participation, skill development, and value. Here are the five worth buying first and what you actually get from each.

  • iRacing Southern 500 Returns to Darlington September 2-7

    The iRacing Southern 500 runs at Darlington Raceway September 2-7 as the fourth of five full-length NASCAR Cup special events this year. Get the full schedule, eligibility requirements, and broadcast details.

iRacing 2026 Season 4 Build Tracker

Everything we know for the next iRacing build.

🛠Next Build: Season 4 — September 202632 items tracked
12Confirmed
  • Aston Martin Valkyrie AMR-LMH S4 Confirmed:#cars#endurance#next-build#next-build-confirmed#confirmed
  • Gen 4 Grand National S4 Confirmed:#cars#nascar#next-build#next-build-confirmed#confirmed
  • Mazda MX-5 Physics Rework S4 Confirmed:#cars#physics#next-build#next-build-confirmed#confirmed
  • Pit Summary & Car Damage UI S4 Confirmed:#features#ui#next-build#next-build-confirmed#confirmed
  • Future Track Refreshes and Rescans#oval-tracks#next-build#next-build-confirmed#road-tracks#confirmed
  • Multiclass Starts S4 Confirmed (Race Control UPDATE 2):#features#next-build#next-build-confirmed#confirmed
  • Physics Islands: Multi-Threading Overhaul S4 Confirmed UPDATE 2:#physics#next-build#next-build-confirmed#confirmed
  • Caterham Academy & 420R S4 Confirmed UPDATE 3:#cars#next-build#next-build-confirmed#confirmed
  • Track Reverb & Reverb Zones#features#next-build#next-build-confirmed#confirmed
  • Circuit Bugatti#road-tracks#next-build#next-build-confirmed#confirmed
  • Aston Martin Vantage AMR-LMH (GTP)#cars#endurance#next-build#next-build-confirmed#confirmed
  • Bahrain International Circuit#road-tracks#next-build#next-build-confirmed#confirmed
10Likely
  • iRacing confirms Career Mode is coming! UPDATE 10:#features#career-mode#next-build#next-build-likely#confirmed
  • Summit Point Motorsports Park Refresh#road-tracks#next-build#next-build-likely#wip
  • New Helmet Model UPDATE:#features#next-build#next-build-likely#confirmed
  • Circuit Paul Ricard#road-tracks#next-build#next-build-likely#confirmed
  • Oval Rubber/Surface Behavior Updates#physics#next-build#next-build-likely#confirmed
  • Dirt Oval Improvements#features#next-build#next-build-likely#confirmed
  • GT3 Pit Stop Animation#features#next-build#next-build-likely#confirmed
  • Save Feature#features#next-build#next-build-likely#confirmed
  • Circuit Ricardo Tormo#road-tracks#next-build#next-build-likely#confirmed
  • Winchester Speedway#oval-tracks#next-build#next-build-likely#wip
10Small Chance
  • Spark: iRacing's New Graphics Engine UPDATE 3:#graphics#next-build#next-build-longshot#confirmed
  • IndyCar Street Courses UPDATE:#road-tracks#next-build#next-build-longshot#rumor
  • 128 Cars Per Session#features#next-build#next-build-longshot#future
  • NTMv10 Future Tire Model#physics#next-build#next-build-longshot#confirmed
  • Salem Speedway#oval-tracks#next-build#next-build-longshot#rumor
  • TT Circuit Assen#road-tracks#next-build#next-build-longshot#rumor
  • 2027 Mercedes AMG GT3 Coming to iRacing?#cars#gt3#next-build#next-build-longshot#rumor
  • Bowman Gray Stadium coming to iRacing? UPDATE 3:#oval-tracks#next-build#next-build-longshot#rumor
  • Kyalami Grand Prix Circuit#road-tracks#next-build#next-build-longshot#rumor
  • Croft Circuit#road-tracks#next-build#next-build-longshot#wip
Last updated: August 28, 2026
    View Full Build Tracker

    Inside iRacing

    • Mazda MX-5 Cup cars racing side by side in iRacing, a Class D road series similar to the incoming Caterham Academy

      Caterham Academy and 420R Confirmed for iRacing Season 4

      The Caterham Academy and Caterham 420R are both confirmed for iRacing Season 4 2026, arriving as a single purchase across Class D and Class C license tiers.

    • iRacing racing at Road Atlanta, a circuit that will benefit from the new night racing lighting engine

      Night Racing Is Coming to iRacing for the First Time

      iRacing’s new physically-based lighting engine enables night racing on fully lit tracks for the first time. The August 2026 development update confirms the project is nearing completion.

    • Aston Martin Valkyrie AMR-LMH Confirmed for iRacing Season 4

      The Aston Martin Valkyrie AMR-LMH is confirmed for iRacing Season 4 2026, developed with real telemetry and engineering data from Aston Martin’s WEC racing team.

    • iRacing Career Mode Enters Final Polish with 7 Distinct Paths

      iRacing Career Mode is in final polish with seven distinct paths spanning grassroots to elite racing, all included free with standard membership and no extra purchases required.

    • iRacing Toyota GR86 Cup on circuit, an ideal car for methodically learning a new iRacing track layout and building braking references

      How to Learn a New iRacing Track Faster

    • Dirt track at Crandon International Raceway, venue of the iRacing Crandon Championship

      iRacing Crandon Championship 2026 Qualifying Open Now

    • NASCAR Gen 7 cars racing in iRacing before the 2026 superspeedway aero package update takes effect in the simulator

      iRacing Gen 7 Superspeedway Package: How the New Aero Works

    • Garrett Manes celebrates his first career eNASCAR Coca-Cola iRacing Championship Series win at Daytona International Speedway in 2026

      Garrett Manes Wins First Career eNASCAR Race at Daytona in Triple Overtime

    • iRacing trail braking in the Porsche GT3 Cup, controlling braking pressure through the corner entry

      Trail Braking and Brake Bias in iRacing

    More #InsideiRacing

    Speed & Strategy

    • iRacing Season 3 Patch 3 multiclass race start at Sebring International Raceway

      Rolling Start Etiquette in iRacing

      Rolling starts in iRacing are not always instinctive. Here is what the pole sitter controls, when the field can go, and how to avoid jump start penalties.

    • iRacing GT3 cars racing wheel to wheel in tight traffic, typical of IMSA GT3 fixed tires competition on a road course

      How Fixed Tires Work in iRacing IMSA GT3 Races

      Fixed tire races in iRacing’s IMSA GT3 series lock your tire selection and setup before the pit lane opens. If you come from open format, the way you approach each stint changes significantly.

    • iRacing car on circuit โ€” building pace through methodical track learning

      How to Display GT3 Tire Data on a Second Screen in iRacing

      GT3 cars in iRacing record tire temperatures, pressures, and wear every lap. Here is how to route that data to a second screen using SimHub and a GT3 DDU layout, so you can read it at a glance during any race.

    More Speed & Strategy
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    Track Hub

    • Why Monza Can Be Chaos in iRacing

      Why Monza Can Be Chaos in iRacing

    • Surviving Monza in iRacing โ€“ A Practical Guide

      Surviving Monza in iRacing โ€“ A Practical Guide


    • Darlington Raceway: Screenshot Gallery

    • Watkins Glen International: Screenshot Gallery

    • Homestead-Miami Speedway: Screenshot Gallery

    Go to iRacing Track HUB

    Car Hub

    • Beginner Setup and Driving Tips for the Dirt Legends Ford ’34 Coupe

      Beginner Setup and Driving Tips for the Dirt Legends Ford ’34 Coupe

    • The Free Gem: Why the CTS-V is the Best Way to GT3

      The Free Gem: Why the CTS-V is the Best Way to GT3


    • The 488 GTE Legacy: Ferrariโ€™s Enduring iRacing Legend


    • Pro Mazda to Legacy: The Indy Pro 2000 Transition


    • Lucas Oil Off Road Trucks โ€” Screenshot Gallery


    Go to iRacing Car HUB
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    ICYMI

    • Your First iRacing Race: A Practical Plan
    • Steven Wilson Wins eNASCAR Race 10 for Championship 4 Spot
    • Is Consistency Enough in iRacing? When Pure Pace Matters More

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