GT Sprint Series by Simucube - 2025 Season 4

2025 Season 4 - Races every 2 hours on the hour

Modeled after real-world GT3 sprint racing, this series features iRacing's GT3 cars battling it out on some of the finest road courses in North America, Europe and Asia. All cars compete in a single class which makes this series extremely competitive. Race lengths are typically shorter than its sister series, the GT Endurance Series.

Overview

Category: Sports car (5)
Track Types: sports_car
License Group Types: 4
Car Classes: [4091]
Car Types: audi, chevy, gt, gt3, gtd, huracan, road, sports, 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)	Red Bull Ring Grand Prix (2025-09-20T13:35:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 19.9 to 20.1 Wind 3.7 to 3.9 Dir 7 Skies 2 to 2 Rain 0 (0 %) None
Week 2 (Sept. 23, 2025)	Circuit des 24 Heures du Mans 24 Heures du Mans (2025-09-27T19:45:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 19.3 to 19.3 Wind 11.8 to 13.9 Dir 5 Skies 0 to 1 Rain 0 (0 %) None
Week 3 (Sept. 30, 2025)	Autódromo Hermanos Rodríguez Grand Prix (2025-10-04T08:55:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 19.2 to 19.8 Wind 13.9 to 15 Dir 1 Skies 1 to 2 Rain 0 (34 %) None
Week 4 (Oct. 7, 2025)	Circuit de Barcelona Catalunya Grand Prix (2025-10-11T14:05:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 24 to 24.5 Wind 11.5 to 12.4 Dir 4 Skies 0 to 0 Rain 0 (0 %) None
Week 5 (Oct. 14, 2025)	Indianapolis Motor Speedway Road Course (2025-10-18T09:55:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 19.5 to 20.1 Wind 10.8 to 11.5 Dir 4 Skies 0 to 0 Rain 0 (0 %) None
Week 6 (Oct. 21, 2025)	Hockenheimring Baden-Württemberg Grand Prix (2025-10-25T12:00:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 18.7 to 18.6 Wind 16.2 to 16.8 Dir 7 Skies 2 to 3 Rain 0 (0 %) None
Week 7 (Oct. 28, 2025)	Sebring International Raceway International (2025-11-01T13:10:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 24.7 to 25.3 Wind 17.4 to 17.9 Dir 7 Skies 0 to 1 Rain 0 (0 %) None
Week 8 (Nov. 4, 2025)	Autódromo José Carlos Pace Grand Prix (2025-11-08T05:20:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 19.3 to 19.2 Wind 20.8 to 20.8 Dir 4 Skies 2 to 2 Rain 0 (0 %) None
Week 9 (Nov. 11, 2025)	Suzuka International Racing Course Grand Prix (2026-04-01T07:20:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 19 to 18.9 Wind 12.2 to 12.6 Dir 6 Skies 2 to 3 Rain 0.4 (30 %) Light
Week 10 (Nov. 18, 2025)	Mount Panorama Circuit (2025-11-22T12:00:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 23.6 to 24.8 Wind 12.3 to 12.6 Dir 3 Skies 0 to 1 Rain 0 (0 %) None
Week 11 (Nov. 25, 2025)	Watkins Glen International Boot (2026-04-01T13:30:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 18.6 to 18.5 Wind 20.9 to 21.4 Dir 4 Skies 3 to 3 Rain 0 (0 %) None
Week 12 (Dec. 2, 2025)	Autodromo Internazionale del Mugello Grand Prix (2026-03-01T12:00:00 1x )	40 mins	Start Type: Rolling Start Zone:	Temp: 19.1 to 19.1 Wind 1.8 to 1.8 Dir 0 Skies 3 to 3 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
4
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 <> 30
Grid By Class
Active
Complete
Diff. Race Tyres
Super Sessions
Member Restriction
Car Restriction
View Restriction
Start
2025-09-16… (54)