IMSA Sportscar Endurance Challenge - 2025 Season 1

logo for IMSA Sportscar Endurance Challenge
2025 Season 1 - Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT
Just like its real-world counterpart, iRacing’s IMSA SportsCar Endurance Challenge allows you to get behind the wheel in both the LMP3 and GT4 classes for some more approachable multi-class road racing. In this series, though, you’ll race in extended events rather than just sprints! Races are held every other week starting in Week 1.
  • Category: Sports car (5)
  • Track Types: sports_car
  • License Group Types: 3
  • Car Classes: [4018, 2268]
  • Car Types: aienabled, gs, gt4, gtd, lmp3, prototype, road, sportscar
  • Allowed Licenses: [{'group_name': 'Class D', 'license_group': 2, 'max_license_level': 8, 'min_license_level': 8}, {'group_name': 'Class C', 'license_group': 3, 'max_license_level': 12, 'min_license_level': 9}, {'group_name': 'Class B', 'license_group': 4, 'max_license_level': 16, 'min_license_level': 13}, {'group_name': 'Class A', 'license_group': 5, 'max_license_level': 20, 'min_license_level': 17}, {'group_name': 'Pro', 'license_group': 6, 'max_license_level': 24, 'min_license_level': 21}, {'group_name': 'Pro/WC', 'license_group': 7, 'max_license_level': 28, 'min_license_level': 25}]
  • Allowed Season Members:

Set Up

  • Official
  • Rookie
  • Season
    2025 S1
  • Regional Comp.
  • Race Week
    0 (0)
  • Drop Weeks
    2 of 6
  • 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
    2024-12-17… (1)

Schedule

Round 1: Virginia International Raceway Full Course
Weather V.1 @ 2025-02-15T09:00:00
  • ToD
    1
  • Time Offsets
    [15, 35]
  • Time Multi
    1
  • Track Water
    0
  • Temp
    66 0
  • Wind
    6 1 0
  • Skies
    6
  • Allow Fog
  • SUMMARY
  • Temp.
    18.9 <> 19.6
  • Wind
    10.1 <> 12.3
  • Skies (%)
    2 <> 2
  • Precip. Chance
    0
  • Precip. Rate
    0
  • Precip. Desc.
    None
  • FORECAST
  • Type
    0
  • Seed
    59501270644758
  • Skies.
    0
  • wind_dir.
    0
  • wind_speed.
    0
  • Temperature
    0
  • Precip.
    3
  • Stop Precip
Forecast SVG None file

  • Race Time Limit: 120
    Lap Limit: None
    Practice Length: 3
  • Qual Attached:
    Qual Laps: 2
    Qual Length: 8
  • Start Type: Rolling
    Start Zone:
    Short Parade Lap:
  • Full Course Yellows:
    Restart Type: Double-file Back
    Pit Lane Crashes:
  • Track State: Leave Marbles:
    Warm Up Length: 0
  • Repeating: , Session Minutes: 134, Session Times: 2024-12-21T04:00:00Z, 2024-12-21T15:00:00Z, 2024-12-22T00:00:00Z, 2024-12-22T20:00:00Z, Super Session:
MOAR Endurance - 15 GMT - timed - roll
None
Round 2: Watkins Glen International Boot
Weather V.1 @ 2025-04-01T08:45:00
  • ToD
    1
  • Time Offsets
    [15, 35]
  • Time Multi
    1
  • Track Water
    0
  • Temp
    65 0
  • Wind
    9 7 0
  • Skies
    9
  • Allow Fog
  • SUMMARY
  • Temp.
    18.6 <> 18.6
  • Wind
    11.7 <> 16.2
  • Skies (%)
    2 <> 3
  • Precip. Chance
    0
  • Precip. Rate
    0
  • Precip. Desc.
    None
  • FORECAST
  • Type
    0
  • Seed
    34088235863832
  • Skies.
    0
  • wind_dir.
    0
  • wind_speed.
    0
  • Temperature
    0
  • Precip.
    3
  • Stop Precip
Forecast SVG None file

  • Race Time Limit: 120
    Lap Limit: None
    Practice Length: 3
  • Qual Attached:
    Qual Laps: 2
    Qual Length: 8
  • Start Type: Rolling
    Start Zone:
    Short Parade Lap:
  • Full Course Yellows:
    Restart Type: Double-file Back
    Pit Lane Crashes:
  • Track State: Leave Marbles:
    Warm Up Length: 0
  • Repeating: , Session Minutes: 134, Session Times: 2025-01-04T04:00:00Z, 2025-01-04T15:00:00Z, 2025-01-05T00:00:00Z, 2025-01-05T20:00:00Z, Super Session:
MOAR Endurance - 15 GMT - timed - roll
None
Round 3: Autodromo Internazionale del Mugello Grand Prix
Weather V.1 @ 2025-03-01T08:55:00
  • ToD
    1
  • Time Offsets
    [15, 35]
  • Time Multi
    1
  • Track Water
    0
  • Temp
    65 0
  • Wind
    13 6 0
  • Skies
    13
  • Allow Fog
  • SUMMARY
  • Temp.
    18.5 <> 18.4
  • Wind
    21.2 <> 22.9
  • Skies (%)
    1 <> 2
  • Precip. Chance
    43
  • Precip. Rate
    0.5
  • Precip. Desc.
    Light
  • FORECAST
  • Type
    0
  • Seed
    110973861750513
  • Skies.
    0
  • wind_dir.
    0
  • wind_speed.
    0
  • Temperature
    0
  • Precip.
    3
  • Stop Precip
Forecast SVG None file

  • Race Time Limit: 120
    Lap Limit: None
    Practice Length: 3
  • Qual Attached:
    Qual Laps: 2
    Qual Length: 8
  • Start Type: Rolling
    Start Zone:
    Short Parade Lap:
  • Full Course Yellows:
    Restart Type: Double-file Back
    Pit Lane Crashes:
  • Track State: Leave Marbles:
    Warm Up Length: 0
  • Repeating: , Session Minutes: 134, Session Times: 2025-01-18T04:00:00Z, 2025-01-18T15:00:00Z, 2025-01-19T00:00:00Z, 2025-01-19T20:00:00Z, Super Session:
MOAR Endurance - 15 GMT - timed - roll
None
Round 4: Phillip Island Circuit
Weather V.1 @ 2025-02-01T08:20:00
  • ToD
    1
  • Time Offsets
    [20, 40]
  • Time Multi
    1
  • Track Water
    0
  • Temp
    68 0
  • Wind
    14 0 0
  • Skies
    14
  • Allow Fog
  • SUMMARY
  • Temp.
    20 <> 20.8
  • Wind
    22.7 <> 26.7
  • Skies (%)
    1 <> 1
  • Precip. Chance
    0
  • Precip. Rate
    0
  • Precip. Desc.
    None
  • FORECAST
  • Type
    0
  • Seed
    -25895428999085
  • Skies.
    0
  • wind_dir.
    0
  • wind_speed.
    0
  • Temperature
    0
  • Precip.
    3
  • Stop Precip
Forecast SVG None file

  • Race Time Limit: 120
    Lap Limit: None
    Practice Length: 3
  • Qual Attached:
    Qual Laps: 2
    Qual Length: 8
  • Start Type: Rolling
    Start Zone:
    Short Parade Lap:
  • Full Course Yellows:
    Restart Type: Double-file Back
    Pit Lane Crashes:
  • Track State: Leave Marbles:
    Warm Up Length: 0
  • Repeating: , Session Minutes: 134, Session Times: 2025-02-01T04:00:00Z, 2025-02-01T15:00:00Z, 2025-02-02T00:00:00Z, 2025-02-02T20:00:00Z, Super Session:
MOAR Endurance - 15 GMT - timed - roll
None
Round 5: Canadian Tire Motorsports Park
Weather V.1 @ 2025-04-01T08:55:00
  • ToD
    1
  • Time Offsets
    [15, 35]
  • Time Multi
    1
  • Track Water
    0
  • Temp
    65 0
  • Wind
    15 3 0
  • Skies
    15
  • Allow Fog
  • SUMMARY
  • Temp.
    18.4 <> 18.3
  • Wind
    24.6 <> 27.2
  • Skies (%)
    2 <> 3
  • Precip. Chance
    23
  • Precip. Rate
    0.3
  • Precip. Desc.
    Light
  • FORECAST
  • Type
    0
  • Seed
    78661933214952
  • Skies.
    0
  • wind_dir.
    0
  • wind_speed.
    0
  • Temperature
    0
  • Precip.
    3
  • Stop Precip
Forecast SVG None file

  • Race Time Limit: 120
    Lap Limit: None
    Practice Length: 3
  • Qual Attached:
    Qual Laps: 2
    Qual Length: 8
  • Start Type: Rolling
    Start Zone:
    Short Parade Lap:
  • Full Course Yellows:
    Restart Type: Double-file Back
    Pit Lane Crashes:
  • Track State: Leave Marbles:
    Warm Up Length: 0
  • Repeating: , Session Minutes: 134, Session Times: 2025-02-15T04:00:00Z, 2025-02-15T15:00:00Z, 2025-02-16T00:00:00Z, 2025-02-16T20:00:00Z, Super Session:
MOAR Endurance - 15 GMT - timed - roll
None
Round 6: Road America Full Course
Weather V.1 @ 2025-04-01T08:30:00
  • ToD
    1
  • Time Offsets
    [15, 35]
  • Time Multi
    1
  • Track Water
    0
  • Temp
    65 0
  • Wind
    21 7 0
  • Skies
    21
  • Allow Fog
  • SUMMARY
  • Temp.
    18.6 <> 18.6
  • Wind
    9 <> 9.5
  • Skies (%)
    3 <> 3
  • Precip. Chance
    0
  • Precip. Rate
    0
  • Precip. Desc.
    None
  • FORECAST
  • Type
    0
  • Seed
    -106005574656592
  • Skies.
    0
  • wind_dir.
    0
  • wind_speed.
    0
  • Temperature
    0
  • Precip.
    3
  • Stop Precip
Forecast SVG None file

  • Race Time Limit: 120
    Lap Limit: None
    Practice Length: 3
  • Qual Attached:
    Qual Laps: 2
    Qual Length: 8
  • Start Type: Rolling
    Start Zone:
    Short Parade Lap:
  • Full Course Yellows:
    Restart Type: Double-file Back
    Pit Lane Crashes:
  • Track State: Leave Marbles:
    Warm Up Length: 0
  • Repeating: , Session Minutes: 134, Session Times: 2025-03-01T04:00:00Z, 2025-03-01T15:00:00Z, 2025-03-02T00:00:00Z, 2025-03-02T20:00:00Z, Super Session:
MOAR Endurance - 15 GMT - timed - roll
None