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iR
iRacing Calendar
2026 Season 4

DIRTcar 305 Sprint Car Series by Fanatec - 2026 Season 4 Fixed

Dirt Oval
12 weeks
Week 1 active
Car: Dirt Sprint Car - 305
Drops: 4
Rookie 4.0 --> Pro/WC 4.0Races every hour on the hour

Season Timeline

Week 1Week 12

Full Schedule

1

Knoxville Raceway

Sep 15 — Sep 2125 laps

78°F/26°C, Rain chance None, Rolling start, Cautions disabled

2

Federated Auto Parts Raceway at I-55

Sep 22 — Sep 2830 laps

69°F/21°C, Rain chance None, Rolling start, Cautions disabled

3

USA International Speedway - Dirt

Sep 29 — Oct 525 laps

82°F/28°C, Rain chance None, Rolling start, Cautions disabled

4

Port Royal Speedway

Oct 6 — Oct 1225 laps

68°F/20°C, Rain chance None, Rolling start, Cautions disabled

5

The Dirt Track at Charlotte

Oct 13 — Oct 1930 laps

69°F/20°C, Rain chance None, Rolling start, Cautions disabled

6

Lanier National Speedway - Dirt

Oct 20 — Oct 2630 laps

69°F/20°C, Rain chance None, Rolling start, Cautions disabled

7

Huset's Speedway

Oct 27 — Nov 230 laps

66°F/19°C, Rain chance None, Rolling start, Cautions disabled

8

Lernerville Speedway

Nov 3 — Nov 930 laps

65°F/19°C, Rain chance None, Rolling start, Cautions disabled

9

Limaland Motorsports Park

Nov 10 — Nov 1630 laps

65°F/19°C, Rain chance None, Rolling start, Cautions disabled

10

Lucas Oil Speedway - Dirt Oval

Nov 17 — Nov 2330 laps

66°F/19°C, Rain chance None, Rolling start, Cautions disabled

11

Cedar Lake Speedway

Nov 24 — Nov 3030 laps

65°F/18°C, Rain chance None, Rolling start, Cautions disabled

12

Eldora Speedway

Dec 1 — Dec 730 laps

67°F/19°C, Rain chance None, Rolling start, Cautions disabled