iRacing 2025 Season 4 Week 13 Schedule Released

Looking forward to getting behind the wheel of our newest cars and tracks? The latest edition of iRacing Week 13 has you covered with all sorts of fun new weeklong championships!

For our newest racers, iRacing Week 13 is our week between the four quarterly iRacing seasons where we debut new content, give our most serious racers a week to recharge between championships, and have some fun with a handful of out-of-the-box ideas. Longtime favorites include Battle of the Little Wings for those who want to run multi-class Formula Car events, Figure GR8 for those who enjoy Irwindale and Slinger’s most unique layouts, and of course the Ridiculousness and Dirt Ridiculousness series for the wildest combinations of all.

Here’s the full list of what to expect:

New Content and Features Series* (*all start after build)

• 13^th Week Mountain Showdown: Porsche 911 Cup (992.2), Super Formula Lights, Radical SR10, Renault Clio, FIA Formula 4, Global MX-5 Cup, BMW M2 at Bathurst
• 13^th Week Super Slide: FIA Cross Car
• 13^th Week iRacing GT3 Challenge – Fixed: Adelaide, Miami
• 13^th Week Funny Forecast: TCR at Nurburgring Nordschleife (rain expected)
• 13^th Week Formula Fun: Dallara IR-18

Ranked Series (iRating and Safety Rating affected)

• Oval Series
  • Winter NASCAR iRacing Series
  • 13^th Week Street Stock Challenge
  • 13^th Week Trucks – Fixed (starts after build)
• Sports Car Series
  • 13^th Week Mazda MX-5 Cup
  • 13^th Week Ferrari 296 Challenge (starts after build)
  • 13^th Week Porsche Cup Series (starts after build)
• Formula Car Series
  • 13^th Week FF1600
• Dirt Oval Series
  • 13^th Week Dirt Street Stock Challenge
  • 13^th Week DIRTcar Pro Late Model – Fixed
  • 13^th Week Midget Cup
• Dirt Road Series
  • 13^th Week iRacing Rallycross Series
  • 13^th Week iRacing Rallycross Lite

Unranked Series (Sporting Code still applies, iRating and Safety Rating not affected)

• Oval Series
  • Pickup Cup
  • Dallara Dash
  • Carburetor Cup
  • 13^th Week 5 To Go: 5-lap races, NASCAR Craftsman Truck Series
  • 13^th Week Ridiculousness: Production Car Challenge cars on ovals (starts after build)
• Road Series
  • 13^th Week Battle of the Little Wings: Formula Renault 2.0, Pro Mazda, Dallara F3
  • 13^th Week iRacing Figure GR8: Mini Stocks, Pro 2 Lite
  • 13^th Week iRacing Tube Frame Twister: ARCA
• Dirt Oval Series
  • 13^th Week Pro 2 Dirt Oval: Pro 2 Lite
  • 13^th Week Dirt Ridiculousness: Multi-class
  • 13^th Week Mudskipping: Skip Barber Formula 2000
• Dirt Road Series
  • 13^th Week Symkhana: Dirt Legends on rallycross courses
  • 13^th Week 2×4 Off-Road Trucks

Time Attacks

• Hill Climbs
• Porsche Experience Center: Porsche 911 Cup (992.2)

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