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iR
iRacing Calendar
2026 Season 2

INDYCAR iRacing Series - 2026 Season

Formula Car
17 weeks
Week 3 active
Car: Dallara IR18
Class D (4.0) --> Pro/WC (4.0)

Season Timeline

Week 1Week 17

Full Schedule

1

Sebring International Raceway - International

Feb 26 — Mar 448 laps

71°F/22°C, Rain chance None, Rolling start, Local advisory cautions, Qual scrutiny - Moderate

2

Phoenix Raceway - Oval

Mar 5 — Mar 11250 laps

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

3

St. Petersburg Grand Prix - Grand Prix

Mar 19 — Mar 25100 laps

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

4

Barber Motorsports Park

Mar 26 — Apr 190 laps

68°F/20°C, Rain chance 30%, Rolling start, Local advisory cautions, Qual scrutiny - Moderate

5

Long Beach Street Circuit

Apr 16 — Apr 2285 laps

80°F/27°C, Rain chance None, Rolling start, Local advisory cautions, Qual scrutiny - Moderate

6

Indianapolis Motor Speedway - Road Course

May 7 — May 1385 laps

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

7

Indianapolis Motor Speedway - Open Wheel Oval

May 21 — May 27125 laps

74°F/23°C, Rain chance None, Rolling start, Full course cautions, Single-file Maintain, Qual scrutiny - Moderate

8

Detroit Grand Prix at Belle Isle - Belle Isle

May 28 — Jun 370 laps

78°F/26°C, Rain chance None, Rolling start, Local advisory cautions, Qual scrutiny - Moderate

9

World Wide Technology Raceway (Gateway) - Oval

Jun 4 — Jun 10260 laps

76°F/24°C, Rain chance None, Rolling start, Full course cautions, Single-file Maintain, Qual scrutiny - Moderate

10

Road America - Full Course

Jun 18 — Jun 2455 laps

78°F/26°C, Rain chance None, Rolling start, Local advisory cautions, Qual scrutiny - Moderate

11

Mid-Ohio Sports Car Course - Full Course

Jul 2 — Jul 890 laps

81°F/27°C, Rain chance None, Rolling start, Local advisory cautions, Qual scrutiny - Moderate

12

Nashville Superspeedway

Jul 16 — Jul 22300 laps

81°F/27°C, Rain chance None, Rolling start, Full course cautions, Single-file Maintain, Qual scrutiny - Moderate

13

Portland International Raceway - Full Circuit

Aug 6 — Aug 12110 laps

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

14

Circuit Gilles Villeneuve

Aug 13 — Aug 1965 laps

71°F/22°C, Rain chance 28%, Rolling start, Local advisory cautions, Qual scrutiny - Moderate

15

Chicago Street Course - 2023 Cup

Aug 20 — Aug 2665 laps

80°F/27°C, Rain chance None, Rolling start, Local advisory cautions, Qual scrutiny - Moderate

16

The Milwaukee Mile

Aug 27 — Sep 2250 laps

71°F/22°C, Rain chance None, Rolling start, Full course cautions, Single-file Maintain, Qual scrutiny - Moderate

17

WeatherTech Raceway at Laguna Seca - Full Course

Sep 3 — Sep 995 laps

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