Proto-GT Challenge 2025 Season 4

2025 Season 4 - Races every 2 hours at :45 past

A multi-class series featuring both GT and prototype cars, the Proto-GT Thrustmaster Challenge is all about powerful sports cars. Choose your weapon - the HPD ARX-01c, Ford GT, Chevrolet Corvette C6.R GT1, or Aston Martin DBR9 GT1 - and battle for supremacy in some of the fastest GT cars ever produced. This series is open to iRacers with a Road license of C or higher.

Overview

Category: Sports car (5)
Track Types: sports_car
License Group Types: 4
Car Classes: [40, 41, 73]
Car Types: chevy, gt1, gte, gtlm, lmp2, prototype, road, sportscar
Allowed Licenses: Class C 4+, Class B, Class A, Pro, Pro/WC
Allowed Season Members:

Schedule

Week	Track	Duration	Summary	Weather
Week 1 (Sept. 16, 2025)	Mount Panorama Circuit (2025-09-20T16:40:00 1x )	30 mins	Start Type: Rolling Start Zone:	Temp: 19.3 to 19.7 Wind 15.8 to 19.2 Dir 4 Skies 0 to 0 Rain 0 (0 %) None
Week 2 (Sept. 23, 2025)	Autodromo Nazionale Monza Grand Prix (2025-09-27T09:20:00 1x )	50 mins	Start Type: Rolling Start Zone:	Temp: 20 to 20.1 Wind 4 to 4.2 Dir 7 Skies 3 to 3 Rain 0 (0 %) None
Week 3 (Sept. 30, 2025)	Hockenheimring Baden-Württemberg Grand Prix (2025-10-04T13:40:00 1x )	30 mins	Start Type: Rolling Start Zone:	Temp: 20.7 to 20.7 Wind 14.5 to 15.6 Dir 3 Skies 1 to 2 Rain 0 (0 %) None
Week 4 (Oct. 7, 2025)	Circuit de Spa-Francorchamps Grand Prix Pits (2025-10-11T12:00:00 1x )	30 mins	Start Type: Rolling Start Zone:	Temp: 18.6 to 18.5 Wind 23.7 to 23.7 Dir 4 Skies 3 to 3 Rain 0 (0 %) None
Week 5 (Oct. 14, 2025)	Canadian Tire Motorsports Park (2025-10-18T13:20:00 1x )	30 mins	Start Type: Rolling Start Zone:	Temp: 18.6 to 18.5 Wind 21.7 to 21.7 Dir 6 Skies 2 to 3 Rain 0 (0 %) None
Week 6 (Oct. 21, 2025)	Circuit des 24 Heures du Mans 24 Heures du Mans (2025-10-25T18:50:00 1x )	30 mins	Start Type: Rolling Start Zone:	Temp: 19 to 19 Wind 13.2 to 13.8 Dir 5 Skies 2 to 2 Rain 0 (0 %) None
Week 7 (Oct. 28, 2025)	Sebring International Raceway International (2025-11-01T07:40:00 1x )	30 mins	Start Type: Rolling Start Zone:	Temp: 23.4 to 24.2 Wind 3.9 to 4.4 Dir 7 Skies 1 to 1 Rain 0 (0 %) None
Week 8 (Nov. 4, 2025)	Nürburgring Combined Gesamtstrecke VLN (2026-04-01T09:20:00 1x )	No. Of Laps: 4	Start Type: Rolling Start Zone:	Temp: 18.6 to 18.6 Wind 7.6 to 7.8 Dir 6 Skies 1 to 2 Rain 0 (0 %) None
Week 9 (Nov. 11, 2025)	Watkins Glen International Classic Boot (2026-04-01T06:55:00 1x )	50 mins	Start Type: Rolling Start Zone:	Temp: 18.4 to 18.3 Wind 9.6 to 11.2 Dir 5 Skies 0 to 0 Rain 0 (0 %) None
Week 10 (Nov. 18, 2025)	WeatherTech Raceway at Laguna Seca Full Course (2026-02-01T12:00:00 1x )	30 mins	Start Type: Rolling Start Zone:	Temp: 18.9 to 18.8 Wind 18.3 to 18.6 Dir 5 Skies 2 to 2 Rain 0 (0 %) None
Week 11 (Nov. 25, 2025)	Daytona International Speedway Road Course (2025-11-29T17:25:00 1x )	30 mins	Start Type: Rolling Start Zone:	Temp: 22 to 22.4 Wind 15 to 15.6 Dir 7 Skies 2 to 2 Rain 0 (0 %) None
Week 12 (Dec. 2, 2025)	Oulton Park Circuit International (2026-03-01T15:50:00 1x )	30 mins	Start Type: Rolling Start Zone:	Temp: 18.9 to 19 Wind 14.3 to 15.3 Dir 7 Skies 0 to 0 Rain 0 (0 %) None

Configuration

Official
Rookie
Season
2025 S4
Regional Comp.
Race Week
3 (0)
Drop Weeks
4 of 12
Multi Class
Fixed Setup
Drivers
1 <> 1
Cross License
Driver Changes

Pit Lane Crashes
Incident Limit
25
Warn Mode
1
Warn Param 1
17
Warn Param 2
0
Caution Types
0 /
Caution Laps Count
GW Checkered Limit
0
Lucky Dog
Conduct Rule Mode
3
HardCore Level

Car Switching
Start on Qual Tyre
Short Parade Lap
Start Zone
Qualifier Starts
Heat Racing
Num Opt Laps
0
OP Duration (mins)
120
Send to OP.
Ignore OP License.
OP Session Type.
170

Starters
6 <> 40
Grid By Class
Active
Complete
Diff. Race Tyres
Super Sessions
Member Restriction
Car Restriction
View Restriction
Start
2025-09-16… (25)