GT Endurance Series by Simucube - 2025 Season 4

2025 Season 4 - Races Saturdays 9 and 19 GMT and Sundays 17 GMT

The GT Endurance Series features iRacing's GT3 cars battling it out on some of the finest road courses in North America, Europe and Asia, with more time on track than its sister series, the GT Sprint Series. All cars compete in a single class which makes this series extremely competitive.

Session dates/times: Saturday 9:00/19:00 GMT, Sunday 17:00 GMT

Overview

Category: Sports car (5)
Track Types: sports_car
License Group Types: 3
Car Classes: [4091]
Car Types: audi, chevy, gt, gt3, gtd, huracan, road, sports, sportscar
Allowed Licenses: Class D 4+, Class C, Class B, Class A, Pro, Pro/WC
Allowed Season Members:

Schedule

Week	Track	Duration	Summary	Weather
Week 1 (Sept. 20, 2025)	Red Bull Ring Grand Prix (2025-09-20T13:35:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 19.8 to 20.1 Wind 11.8 to 13.7 Dir 4 Skies 0 to 1 Rain 0 (0 %) None
Week 2 (Sept. 27, 2025)	Circuit des 24 Heures du Mans 24 Heures du Mans (2025-09-27T19:45:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 19 to 19.7 Wind 11.5 to 13.8 Dir 5 Skies 1 to 3 Rain 0.3 (32 %) Light
Week 3 (Oct. 4, 2025)	Autódromo Hermanos Rodríguez Grand Prix (2025-10-04T08:55:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 20.1 to 22.2 Wind 1.8 to 3.3 Dir 0 Skies 3 to 3 Rain 0 (0 %) None
Week 4 (Oct. 11, 2025)	Circuit de Barcelona Catalunya Grand Prix (2025-10-11T14:05:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 23 to 23.7 Wind 14.4 to 18.1 Dir 3 Skies 0 to 1 Rain 0 (0 %) None
Week 5 (Oct. 18, 2025)	Indianapolis Motor Speedway Road Course (2025-10-18T09:55:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 18.5 to 18.5 Wind 21.3 to 28.2 Dir 7 Skies 1 to 1 Rain 0 (0 %) None
Week 6 (Oct. 25, 2025)	Hockenheimring Baden-Württemberg Grand Prix (2025-10-25T12:00:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 19 to 19 Wind 14.4 to 17.1 Dir 4 Skies 1 to 3 Rain 0 (0 %) None
Week 7 (Nov. 1, 2025)	Sebring International Raceway International (2025-11-01T13:10:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 23.7 to 25.5 Wind 17.3 to 19.1 Dir 3 Skies 2 to 3 Rain 0.2 (27 %) Light
Week 8 (Nov. 8, 2025)	Suzuka International Racing Course Grand Prix (2025-11-08T06:25:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 21.5 to 22.3 Wind 1.8 to 1.8 Dir 2 Skies 1 to 3 Rain 0 (0 %) None
Week 9 (Nov. 15, 2025)	Autódromo José Carlos Pace Grand Prix (2026-04-01T07:45:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 21.4 to 25 Wind 9.8 to 10.5 Dir 5 Skies 1 to 2 Rain 0 (0 %) None
Week 10 (Nov. 22, 2025)	Mount Panorama Circuit (2025-11-22T12:00:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 21.5 to 22.1 Wind 16.4 to 17.7 Dir 6 Skies 1 to 2 Rain 0 (0 %) None
Week 11 (Nov. 29, 2025)	Watkins Glen International Boot (2026-04-01T13:30:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 18.5 to 18.5 Wind 27.8 to 31.3 Dir 2 Skies 0 to 2 Rain 0 (0 %) None
Week 12 (Dec. 6, 2025)	Autodromo Internazionale del Mugello Grand Prix (2026-03-01T12:00:00 1x )	180 mins	Start Type: Rolling Start Zone:	Temp: 18.6 to 18.5 Wind 22.9 to 24 Dir 4 Skies 1 to 2 Rain 0.8 (25 %) Light

Configuration

Official
Rookie
Season
2025 S4
Regional Comp.
Race Week
3 (0)
Drop Weeks
4 of 12
Multi Class
Fixed Setup
Drivers
1 <> 16
Cross License
Driver Changes
Rule: 2

Pit Lane Crashes
Incident Limit
32
Warn Mode
1
Warn Param 1
25
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 <> 60
Grid By Class
Active
Complete
Diff. Race Tyres
Super Sessions
Member Restriction
Car Restriction
View Restriction
Start
2025-09-16… (9)