This Week in iRacing | December 9 to December 15, 2025 - iRacing.com

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.

HAPPY WEEK 13 AND HAPPY NEW BUILD WEEK!!! Here are a few of the highlighted series taking place this week — 2025 Season 4, Week 13 — from December 9th to December 15th in 2025.

SEASON 4, WEEK 13 IS HERE!

With this week being Week 13, most of the usual races are off this week, but there are a few special series to jump into. Here’s a quick scope at the special races being held for the new content!

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

For more information on the series running in iRacing Season 4, Week 13 -> CLICK HERE

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!

WINTER NASCAR iRACING SERIES

Since 2021, the Winter NASCAR iRacing Series keeps the oval competition going during the winter months, featuring the 1987 Ford Thunderbird and Chevy Monte Carlo duking it out in both Fixed and Open setup events following the standard NASCAR iRacing Series limited time slots.

Week 5 of 13 will take place at Charlotte Motor Speedway.

The races this week are scheduled for:

Fixed Schedule: Wednesday, 21:00 GMT; Friday, 02:00 GMT; Saturday, 10:00 & 17:00 GMT; Monday, 02:00 GMT
Open Schedule: Thursday, 02:00 & 19:00 GMT; Saturday, 02:00 GMT; Sunday, 15:00 GMT

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

LOOKING AHEAD

While we aim to let iRacing members know what is happening this week in particular, we also want to let everyone know what is on the horizon beyond. This includes not only our next iRacing Special Events, but also potential eSports to keep an eye on for qualifying or participation purposes in the coming weeks.

iRACING CHILI BOWL

December 16th-21st | iRacing Chili Bowl (2026 iRacing Season 1, Week 1)

THE PRODUCTION CAR CHALLENGE AT VIR

December 19th-20th | THE Production Car Challenge @VIR (2026 iRacing Season 1, Week 1)

For more information on the 2025 iRacing Special Events calendar -> CLICK HERE

More information regarding the 2026 iRacing Special Events Calendar coming #SOON!

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.

This Week in iRacing | December 9 to December 15, 2025

SEASON 4, WEEK 13 IS HERE!