Welcome back to This Week in iRacing, your guide to the daily, even hourly racing that members can get into, based on where their license level is at. There are also some special series that run at specific times that anyone can jump into, with the right credentials, that offer a more meaningful sim racing experience.

WELCOME TO SEASON 4! Here are a few of the highlighted series taking place this week — 2025 Season 4, Week 1 — from September 16th to September 22nd in 2025.

WEEKLY RACING SERIES

These are the series that are not confined to the iRacing seasons, that run independently throughout the course of the year and feature some of the most recognizable motorsports racing around. From NASCAR to the Whelen Modifieds, from Formula 1 to INDYCAR, and even some weekly local dirt track racing, iRacing offers many special series to jump in an compete in!

NASCAR iRACING SERIES

Back again in 2025, the NASCAR iRacing Series (Open Setup and Fixed Setup) follows the NASCAR Cup Series schedule for a 36-week racing season. The series visits the tracks on the real-world schedule, utilizing the NASCAR Next Gen Stock Cars from Chevrolet, Ford and Toyota.

Week 30 of 36 will take place at New Hampshire Motor Speedway – Oval.

The races this week are scheduled for:

Fixed Schedule: Wednesday, 21:00 GMT; Friday, 01:00 GMT; Saturday, 10:00 GMT and 16:00 GMT; Monday, 01:00 GMT
Open Schedule: Thursday, 01:00 GMT and 19:00 GMT; Saturday, 01:00 GMT; Sunday, 14:00 GMT

For more information on the NASCAR iRacing Series -> CLICK HERE

iRACING GRAND PRIX TOUR

The fastest, most challenging, most exciting road racing series on the iRacing service, the iRacing Grand Prix Tour features the Mercedes-AMG F1 W13 E Performance on many of the world’s most fabled and demanding circuits, in either fixed or open setup series.

Week 17 of 24 will take place at MotorLand Aragón – Grand Prix.

The races this week are scheduled for:

Fixed Schedule: Thursday, 10:00 & 19:00 GMT; Friday, 01:00 & 04:00 GMT; Saturday, 10:00 & 19:00 GMT; Sunday, 01:00 & 04:00 GMT
Open Schedule: Friday, 10:00 & 19:00 GMT; Saturday, 01:00 & 04:00 GMT; Sunday, 10:00 & 19:00 GMT; Monday, 01:00 & 04:00 GMT

For more information on the iRacing Grand Prix Tour -> CLICK HERE

iRACING NURBURGRING ENDURANCE CHAMPIONSHIP

Experience the thrill of racing on one of the world’s most iconic race courses with the iRacing Nurburgring Endurance Series. Take the wheel in one of five classes comprised of some of our most popular sports cars in a series of endurance events. Whether you’re sharing the cockpit with your teammates or trying to conquer the track on your own, this multi-class event offers one of the most unique challenges that a sports car racer could ask for.

Week 7 of 9 will take place at the Nürburgring Combined – Gesamtstrecke VLN.

The races this week are scheduled for:

Saturday 07:00 GMT and 17:00 GMT, Sunday 00:00 GMT and 13:00 GMT

For more information on the iRacing Nurburgring Endurance Series -> CLICK HERE

DIRT 410 SPRINT CAR TOUR

Modeled heavily after real-world events and featuring dozens of America’s top dirt tracks, the Dirt 410 Sprint Car Tour features 37 weeks of championship racing in the Dirt 410 Sprint Car.

Week 30 of 37 will take place at Eldora Speedway.

The races this week are scheduled for:

Wednesday 01:00 GMT and 21:00 GMT, Friday 01:00 GMT, Sunday 10:00 GMT

For more information on the Dirt 410 Sprint Car Tour -> CLICK HERE

DIRT SUPER LATE MODEL TOUR

Modeled heavily after real-world events and featuring dozens of America’s top dirt tracks, the Dirt Super Late Model Tour features 39 weeks of championship racing in the Dirt Super Late Model.

Week 32 of 39 will take place at Knoxville Raceway.

The races this week are scheduled for:

Tuesday 21:00 GMT, Thursday 01:00 GMT, Saturday 16:00 GMT, Monday 01:00 GMT

For more information on the Dirt Super Late Model Tour -> CLICK HERE

NASCAR MODIFIED TOUR

Modeled heavily after real-world events and featuring many of America’s top short tracks, the NASCAR Modified Tour features 21 weeks of championship racing in the NASCAR Whelen Tour Modified.

Week 16 of 21 will take place at New Hampshire Motor Speedway – Oval.

The races this week are scheduled for:

Thursday 01:00 GMT, Thursday 19:00 GMT, Saturday 01:00 GMT, Sunday 14:00 GMT

For more information on the NASCAR Modified Tour -> CLICK HERE

SUPER LATE MODEL TOUR

Modeled heavily after real-world events and featuring many of America’s top short tracks, the Super Late Model Tour features 23 weeks of championship racing in the Super Late Model.

Week 17 of 23 will take place at Kevin Harvick’s Kern Raceway – Asphalt Track.

The races this week are scheduled for:

Wednesday 21:00 GMT, Friday 01:00 GMT, Saturday 10:00 GMT, Saturday 16:00 GMT, Monday 01:00 GMT

For more information on the Super Late Model Tour -> CLICK HERE

WEEKLY SERIES OFF THIS WEEK:

  • Vintage Grand Prix Tour | Next Race (#13 of 16) at Autodromo Nazionale Monza – GP without first chicane (iRacing Season 4, Week 2)
  • iRacing CREVENTIC Endurance Series | Next Race (#5 of 5) at Circuit de Barcelona Catalunya – Grand Prix (iRacing Season 4, Week 5)

For more information on the iRacing Vintage Grand Prix Tour -> CLICK HERE
For more information on the iRacing CREVENTIC Endurance Series -> CLICK HERE

SPECIAL DAILY RACING SERIES

Of course, we are always racing something at iRacing.

Whether you’re an oval specialist, running in every NASCAR series we offer, or if you enjoy getting in your favorite tin-top or open wheel machine to make laps at some of the most historic race tracks out there, there is always something to jump in and wheel. These are a collection of our special curated hourly series, from the serious ones that can qualify you for top level eSports like the MOZA F4 Regionals, as well as the fun ones like Draft Master, where there’s packed up Superspeedway racing that anyone can win every hour.

NEW IN 2025 SEASON 4! GT3 REGIONAL TOURS

The Regional racing format comes to GT3 racing in Season 4! Featuring the same America, Asia-Pacific, and Europe regions as the F4 Regional Series, which has proven popular, GT3 is the perfect home for a similar concept. Nothing changes with the core GT3 fixed and open schedules. Each region will run hourly on the :45.

Week 1 Schedule: 

  • Americas: WeatherTech Raceway at Laguna Seca – Full Course
  • Asia-Pacific: Okayama International Circuit – Full Course
  • Europe: Oulton Park Circuit – International

FIA F4 ESPORTS REGIONAL TOURS

The Regional editions of the FIA F4 Esports Series returns returns in 2025 Season 4. Each region is spaced out to start every 15 minutes, with the Challenge Series kicking off each hour, followed by the Americas (:15 after), Asia-Pacific (:30 after), and Europe (:45 after).

Week 1 Schedule: 

  • Challenge: Summit Point Raceway
  • Americas: WeatherTech Raceway at Laguna Seca – Full Course
  • Asia-Pacific: Tsukuba Circuit – 2000 Full
  • Europe: Rudskogen Motorsenter

RING MEISTER RICMOTECH SERIES

Two of the more unique daily racing series on iRacing are the Ring Meister Ricmotech Series and the Draft Master Challenge by SIMAGIC Series, where the cars change every week as opposed to the tracks. The setups are fixed in both series, which means it’s all about jumping in and racing the combination at hand.

The Ring Meister Ricmotech Series (Races on every hour on the hour | Qualifying every hour at :30) takes place at the Nürburgring Nordschleife – Industriefahrten and cycles through mostly road-type racing vehicles every week. 

Week 1 Schedule: 

DRAFT MASTER CHALLENGE BY SIMAGIC

Two of the more unique daily racing series on iRacing are the Ring Meister Ricmotech Series and the Draft Master Challenge by SIMAGIC Series, where the cars change every week as opposed to the tracks. The setups are fixed in both series, which means it’s all about jumping in and racing the combination at hand.

As for Draft Master Challenge by SIMAGIC (races every hour on the hour), the series contests six weeks at Talladega Superspeedway and six weeks at Daytona International Speedway, featuring many common NASCAR-oval style cars.

Week 1 Schedule: 

  • NASCAR Gen 7 at Talladega Superspeedway

RAIN MASTER CHALLENGE

For wet weather racing enthusiasts, Rain Master is one of the latest Special Series available on iRacing. Introduced in 2024 Season 4, those looking for some fixed setup wet weather racing can now jump into select GT3 vehicles at 12 different road courses around the world.

The forecasts will include light rain throughout the short, 15 minute events. Races run every hour at 15 minutes past the hour.

Week 1 Schedule:

  • at Algarve International Circuit – Grand Prix

Check out our other weekly post, the iRacing Weekly Tune-In, to learn what you can watch on official iRacing channels as well as around the community!
For more information on iRacing and for special offers, visit www.iracing.com.

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