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iRacing Calendar
2026 Season 4

SK Modified Series - 2026 Season 4 - Fixed

Oval
12 weeks
Week 4 active
Car: Modified - SK
Drops: 4
Rookie 4.0 --> Pro/WC 4.0Races every 2 hours on the hour

Season Timeline

Week 1Week 12

Full Schedule

1

Lucas Oil Indianapolis Raceway Park - Oval

Sep 15 — Sep 2140 laps

78°F/26°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient

2

South Boston Speedway

Sep 22 — Sep 2840 laps

74°F/23°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient

3

Stafford Motor Speedway - Full Course

Sep 29 — Oct 540 laps

82°F/28°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient

4

Langley Speedway

Oct 6 — Oct 1240 laps

70°F/21°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient

5

Oswego Speedway - Oval

Oct 13 — Oct 1940 laps

65°F/19°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient

6

USA International Speedway - Asphalt

Oct 20 — Oct 2640 laps

85°F/29°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient

7

Five Flags Speedway

Oct 27 — Nov 240 laps

73°F/23°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient

8

Concord Speedway

Nov 3 — Nov 940 laps

68°F/20°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient

9

Irwindale Speedway - Inner

Nov 10 — Nov 1640 laps

80°F/27°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient

10

Southern National Motorsports Park

Nov 17 — Nov 2340 laps

66°F/19°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient

11

North Wilkesboro Speedway - Oval

Nov 24 — Nov 3040 laps

67°F/20°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient

12

Thompson Speedway Motorsports Park - Oval

Dec 1 — Dec 740 laps

65°F/18°C, All dry events, Rolling start, Cautions disabled, Qual scrutiny - Lenient