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iR
iRacing Calendar
2026 Season 2

INDYCAR Series

Formula Car
12 weeks
Week 2 active
Car: Dallara IR18
Drops: 4
Class C (4.0) --> Pro/WC (4.0)Races every 2 hours on the hour

Season Timeline

Week 1Week 12

Full Schedule

1

St. Petersburg Grand Prix - Grand Prix

Mar 17 — Mar 2346 laps

80°F/26°C, Rain chance None, Rolling start, Local enforced cautions, Qual scrutiny - Strict

2

Barber Motorsports Park

Mar 24 — Mar 3038 laps

69°F/21°C, Rain chance 29%, Rolling start, Local enforced cautions, Qual scrutiny - Strict

3

Texas Motor Speedway - Oval

Mar 31 — Apr 6125 laps

88°F/31°C, Rain chance None, Rolling start, Full course cautions, Single-file Maintain, Qual scrutiny - Strict

4

Miami International Autodrome - Grand Prix

Apr 7 — Apr 1328 laps

79°F/26°C, Rain chance None, Rolling start, Local enforced cautions, Qual scrutiny - Strict

5

Long Beach Street Circuit

Apr 14 — Apr 2041 laps

72°F/22°C, Rain chance None, Rolling start, Local enforced cautions, Qual scrutiny - Strict

6

Mobility Resort Motegi - Oval

Apr 21 — Apr 27125 laps

68°F/20°C, Rain chance None, Rolling start, Full course cautions, Single-file Maintain, Qual scrutiny - Strict

7

Richmond Raceway

Apr 28 — May 4160 laps

73°F/23°C, Rain chance None, Rolling start, Full course cautions, Single-file Maintain, Qual scrutiny - Strict

8

Indianapolis Motor Speedway - Road Course

May 5 — May 1137 laps

68°F/20°C, Rain chance 31%, Rolling start, Local enforced cautions, Qual scrutiny - Strict

9

Indianapolis Motor Speedway - Open Wheel Oval

May 12 — May 1885 laps

77°F/25°C, Rain chance None, Rolling start, Full course cautions, Single-file Maintain, Qual scrutiny - Strict

10

Adelaide Street Circuit

May 19 — May 2545 laps

75°F/24°C, Rain chance None, Rolling start, Local enforced cautions, Qual scrutiny - Strict

11

Detroit Grand Prix at Belle Isle - Belle Isle

May 26 — Jun 140 laps

68°F/20°C, Rain chance None, Rolling start, Local enforced cautions, Qual scrutiny - Strict

12

World Wide Technology Raceway (Gateway) - Oval

Jun 2 — Jun 8140 laps

79°F/26°C, Rain chance None, Rolling start, Full course cautions, Single-file Maintain, Qual scrutiny - Strict