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iR
iRacing Calendar
2026 Season 3

IMSA Vintage Series

Sports Car
12 weeks
Week 8 active
Car: Nissan GTP ZX-T, Audi 90 GTO
Drops: 4
Class D 4.0 --> Pro/WC 4.0Races every 2 hours on the hour

Season Timeline

Week 1Week 12

Full Schedule

1

Phillip Island Circuit

Jun 16 — Jun 2240 min

67°F/20°C, Rain chance None, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%

2

[Legacy] Silverstone Circuit - 2008 - Historical Grand Prix

Jun 23 — Jun 2940 min

69°F/21°C, Rain chance None, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%

3

St. Petersburg Grand Prix - Grand Prix

Jun 30 — Jul 640 min

84°F/29°C, Rain chance None, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%

4

Watkins Glen International - Classic Boot

Jul 7 — Jul 1360 min

68°F/20°C, Rain chance 30%, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%

5

Motorsport Arena Oschersleben - Grand Prix

Jul 14 — Jul 2040 min

77°F/25°C, Rain chance None, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%

6

Detroit Grand Prix at Belle Isle - Belle Isle

Jul 21 — Jul 2740 min

73°F/23°C, Rain chance None, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%

7

Tsukuba Circuit - 2000 Full

Jul 28 — Aug 340 min

72°F/22°C, Rain chance None, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%

8

Nürburgring Grand-Prix-Strecke - BES/WEC

Aug 4 — Aug 1040 min

74°F/24°C, Rain chance None, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%

9

Mid-Ohio Sports Car Course - Full Course

Aug 11 — Aug 1740 min

67°F/20°C, Rain chance 34%, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%

10

Willow Springs International Raceway - Big Willow

Aug 18 — Aug 2460 min

80°F/27°C, Rain chance None, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%

11

Oulton Park Circuit - Intl w/no Chicanes

Aug 25 — Aug 3140 min

67°F/20°C, Rain chance None, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%

12

Portland International Raceway - No Chicane

Sep 1 — Sep 740 min

70°F/21°C, Rain chance None, Grid by class, Rolling start, Local enforced cautions, Qual scrutiny - Moderate. A90: fuel: 85%