International GT Series
GT3/GT4 Multi-Class
Welcome to a new iRacing series hosted by GT Champions! Join us for the International GT Series – America Challenge drivers championship, a 1 hour, 8 round series in any GT3 car for our PRO Class drivers, and any GT4 car for our AM Class drivers, all with OPEN SETUPS. This is a great event for drivers of all skill levels. Check out all the details and fill the form to register! Registration is free!
Schedule
Saturdays at 12 pm Eastern / 4 PM GM
Register here!
Make sure to join our Discord so you can keep up with the details. Click the image below.
There is no registration fee!
Register by filling the form above and we’ll add you to the roster. Join the GTC iRacing Discord to keep updated!
Regulations:
⚠️ PRO Class drivers (GT3) – Over 2k iRating
⚠️ AM Class drivers (GT4) – Under 2k iRating
- 1 Hour Endurance Race
- PRO & AM Classes
- 10 Minute Qualifier
- 1 Fast Repair
- 8 Rounds, with 1 drop round
- Drop round is any round except the final round
- Maximum 60 drivers (some shared pits).
- Drivers may change manufacturers only once during the season.
- Wet weather racing is expected.
- Livery requirements enforced, please check section 3 of the rule book.
Team Championship (BETA)
We will be beta testing a team championship this season. There will be no awards (except maybe bragging rights) and drivers are NOT REQUIRED to participate in or on a team.
- Teams must have a min. 2 PRO and 1 AM driver on a team.
- Top 2 PRO and top 1 AM drivers on each team (per round) will have their points scored toward the team championship. So the top finishers may be different each round.
- Bonus points and finishing points will be included in the team score for the top 2 PRO and top 1 AM driver for each team
- Teams/Drivers must be declared before the start of the season
- The cutoff to declare a team or add drivers to a team is 72 hours before the first round.
- Team are required to provide liveries and proper series decals as well as proper class identifier on team cars
Donations accepted, not required.
Points Structure: Per Class
1st through 33rd earn points. Pole Position (per class) awards 2 points | Fastest Lap (per class) awards 1 point | No Incidents awards 2 points
America Challenge 2024 Schedule
| Round | Date | Course | Practice | Qualifying | Race |
|---|---|---|---|---|---|
| 1 | 5-Oct | Road America (Full) | 11:00am | 11:50am | 12:00pm |
| 2 | 12-Oct | Sebring (Full) | 11:00am | 11:50am | 12:00pm |
| 3 | 19-Oct | Sonoma Raceway (Nascar Long) | 11:00am | 11:50am | 12:00pm |
| 4 | 26-Oct | Road Atlanta | 11:00am | 11:50am | 12:00pm |
| OFF | 2-Nov | OFF WEEK | - | - | - |
| 5 | 9-Nov | Barber Motorsports Park (Full) | 11:00am | 11:50am | 12:00pm |
| 6 | 16-Nov | Detroit Belle Isle | 11:00am | 11:50am | 12:00pm |
| 7 | 23-Nov | Virginia International Raceway (Full) | 11:00am | 11:50am | 12:00pm |
| 8 | 30-Nov | Indianapolis Road Course (Road) | 8:00am | 9:50am | 10:00am |
Please take a few minutes to review the Rule Book
Updated October 1, 2024
Official Decals
There will be official decals for all GT3 and GT4 cars and must be added to your car either in Trading Paints or in your graphic editing software. Please refer to the info in Discord to see which class you are in, or for help placing the decals on your car. Cars with ✅ means decal is ready! More decals will be made available during the week. ⚠️ Dropbox will show a “Couldn’t load. Something went wrong on our end.” message, but you will still be able to download the files. ⚠️
⚠️ For PNGs, download the GT3+GT4 file package (Includes all TGAs and PNGs): Download
GT3 TGAs
✅ McLaren 720s EVO GT3: Pro decal TGA
✅ Porsche 911 GT3 R (992): Pro decal TGA
✅ Ferrari 296 GT3 v1: Pro decal TGA
✅ Ferrari 296 GT3 v2: Pro decal TGA
✅ Ford Mustang GT3: Pro decal TGA
✅ Audi R8 LMS EVO II GT3: Pro decal TGA
✅ Chevrolet Corvette Z06 GT3.R: Pro decal TGA
✅ Mercedes-AMG GT3 2020: Pro decal TGA
✅ BMW M4 GT3: Pro decal TGA
✅ Lamborghini Huracán GT3 EVO: Pro decal TGA
⚠️ For PNGs, download the GT3+GT4 file package (Includes all TGAs and PNGs): Download
GT4 TGAs
✅ Aston Martin Vantage GT4: Am decal TGA
✅ BMW M4 G82 (Evo) GT4: Am decal TGA
✅ Mclaren 570s GT4: Am decal TGA
✅ Mercedes AMG GT4: Am decal TGA
✅ Porsche 718 GT4: Am decal TGA
⚠️ For PNGs, download the GT3+GT4 file package (Includes all TGAs and PNGs): Download
For help using these files, please refer to our iRacing Resources page.