Prototype Challenge - 2025 Season 4 - Fixed

logo for Prototype Challenge – Fixed
2025 Season 4 Fixed - Races every 2 hours at :00
The unification of modern prototype regulations around the world has produced one of the most exciting, manufacturer-driven battles in recent motorsport history. Take the wheel of these high-powered pieces of machinery from Acura, BMW, Cadillac, Porsche, and Ferrari in a fixed setup series traversing the world’s greatest road courses, and see if you have what it takes to outduel iRacers from around the world!

Overview

  • Category: Sports car (5)
  • Track Types: sports_car
  • License Group Types: 4
  • Car Classes: [4029]
  • Car Types: gtp, lmdh, prototype, 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)		 Sebring International Raceway International
(2025-09-20T14:35:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 25.6 to 25.8
  • Wind 20.3 to 20.7
  • Dir 0
  • Skies 3 to 3
  • Rain 0 (0 %)
  • None
Week 2
(Sept. 23, 2025)		 Fuji International Speedway Grand Prix
(2025-09-27T07:20:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 19.1 to 19.1
  • Wind 24.7 to 25.3
  • Dir 7
  • Skies 3 to 3
  • Rain 0 (0 %)
  • None
Week 3
(Sept. 30, 2025)		 Road Atlanta Full Course
(2025-10-04T12:00:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 20.9 to 20.9
  • Wind 17.5 to 17.5
  • Dir 2
  • Skies 3 to 3
  • Rain 0.4 (32 %)
  • Light
Week 4
(Oct. 7, 2025)		 Autodromo Internazionale Enzo e Dino Ferrari Grand Prix
(2025-10-11T09:25:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 18.9 to 18.9
  • Wind 19.5 to 19.6
  • Dir 3
  • Skies 1 to 2
  • Rain 0 (0 %)
  • None
Week 5
(Oct. 14, 2025)		 Algarve International Circuit Grand Prix
(2025-10-18T13:30:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 21.8 to 21.8
  • Wind 15.5 to 15.7
  • Dir 7
  • Skies 2 to 2
  • Rain 0 (0 %)
  • None
Week 6
(Oct. 21, 2025)		 Circuit des 24 Heures du Mans 24 Heures du Mans
(2025-10-25T17:05:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 19.6 to 19.7
  • Wind 10.5 to 10.4
  • Dir 4
  • Skies 3 to 3
  • Rain 0 (0 %)
  • None
Week 7
(Oct. 28, 2025)		 Autódromo Hermanos Rodríguez Grand Prix
(2026-04-01T07:55:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 19 to 19.4
  • Wind 12.2 to 14
  • Dir 7
  • Skies 1 to 2
  • Rain 0 (0 %)
  • None
Week 8
(Nov. 4, 2025)		 Autodromo Nazionale Monza Grand Prix
(2026-03-01T12:00:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 18.6 to 18.6
  • Wind 10.4 to 10.4
  • Dir 4
  • Skies 2 to 2
  • Rain 0.1 (30 %)
  • Light
Week 9
(Nov. 11, 2025)		 Canadian Tire Motorsports Park
(2026-04-01T13:45:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 18.5 to 18.4
  • Wind 20.5 to 22.5
  • Dir 7
  • Skies 0 to 0
  • Rain 0 (0 %)
  • None
Week 10
(Nov. 18, 2025)		 Daytona International Speedway Road Course
(2025-11-22T17:25:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 22.6 to 23.1
  • Wind 11.1 to 13.2
  • Dir 3
  • Skies 0 to 1
  • Rain 0 (0 %)
  • None
Week 11
(Nov. 25, 2025)		 Nürburgring Grand-Prix-Strecke BES/WEC
(2026-04-01T09:20:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 18.4 to 18.3
  • Wind 25.2 to 25.3
  • Dir 7
  • Skies 1 to 2
  • Rain 0 (0 %)
  • None
Week 12
(Dec. 2, 2025)		 Circuit de Spa-Francorchamps Grand Prix Pits
(2026-03-01T13:35:00 1x ) 		20 mins
  • Start Type: Rolling
  • Start Zone:
  • Temp: 18.7 to 18.7
  • Wind 7.3 to 7.8
  • Dir 5
  • Skies 2 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
    17
  • Warn Mode
    0
  • Warn Param 1
    0
  • 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 <> 20
  • Grid By Class
  • Active
  • Complete
  • Diff. Race Tyres
  • Super Sessions
  • Member Restriction
  • Car Restriction
  • View Restriction
  • Start
    2025-09-16… (17)