iRacing: 2021 Season 1 Week 13 Series details

For Week 13 of the first 2021 season, iRacing drivers can look forward to a brand new list of both official and fun series’ as the service prepares to deploy the 2021 Season 2 build.

Week 13 is the bridge week between iRacing’s quarterly championships as we deploy new content and our latest build, and allows our users to compete in some new, fun, and offbeat challenges as they get ready for the next season.

New feature series for this edition of Week 13 include the Tin Top Tussle, as GT4s take on Hockenheim for the first time; the Shiny New Shakedown, featuring the all-new Super Late Model; Silly Send it, with the 1987 NASCAR Cup Series cars facing off with the Street Stocks; the GT3 Challenge (Fixed); and the Super Slide, featuring rallycross Supercars taking on dirt ovals.

The full list of series running this Week 13 is as follows:

Official Series

Oval

  • 13th Week Street Stock Challenge
  • NASCAR iRacing Series – Open
  • NASCAR iRacing Series – Fixed
  • NASCAR iRacing Class C Series
  • NASCAR iRacing Class B Series

Road

  • 13th Week Mazda Cup
  • 13th Week Ferrari GT3 Challenge
  • 13thWeek Porsche Cup Series

Dirt Oval

  • 13th Week Dirt Street Stock Challenge
  • 13th Week DIRTcar UMP Modified Fixed

Dirt Road

  • 13th Week iRacing RallyCross Series
  • 13th Week Pro 2 Lite

Fun Series

Oval

  • Pickup Cup
  • Dallara Dash
  • Carburetor Cup

Road

  • 13th Week iRacing Figure GR8 – Global MX-5, Pro 2 Lite
  • 13th Week Tube Frame Twister – ARCA
  • 13th Week Battle of the Little Wings – iR01, PM18, FR2.0, USF2000
  • 13th Week Ridiculousness – Riley DP, Lotus 79, Lotus 49, Spec Racer

Dirt Oval

  • Sling Mud for Fun – Sprint Cars
  • 13th Week Muddy Mess – Big Block Modifieds

Dirt Road

  • 13th Week 2×4 Off Road Trucks Pro 4 and Pro 2 Multi-class

New Content and Features Series

  • 13th Week Shiny New Shakedown – Super Late Model
  • 13th Week Tin Top Tussle – GT4s at Hockenheim
  • 13th Week Silly Send It – 1987 NASCAR Cup Series cars and Street Stocks
  • 13th Week GT3 Challenge (Fixed)
  • 13th Week Super Slide – RX Cars on Dirt Ovals
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