iRacing Modified Calendar
10 matching series across 134 scheduled series-weeks, including 5 fixed-setup series. Browse every published week, track and race cadence.
2026 Season 4 · 10 seriess · 42 track configurations · 5 cars · 5 fixed-setup series
Categories: DIRT OVAL, OVAL. Published week starts run from to . The most-scheduled configuration is Thompson Speedway Motorsports Park - Oval, used for 7 series-weeks.
Series in this calendar
- Big Block Modified Series - 2026 Season 4
- Big Block Modified Series - Fixed - 2026 Season 4
- DIRTcar 358 Modified Series - 2026 Season 4
- DIRTcar UMP Modified Series - 2026 Season 4
- DIRTcar UMP Modified Series - Fixed - 2026 Season 4
- NASCAR Modified Tour - 2026 Season Fixed
- NASCAR Tour Modified Series - 2026 Season 4
- NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed
- SK Modified Series - 2026 Season 4 - Fixed
- SK Modified Weekly Series - 2026 Season 4
2026 Season 4 schedule
| Week | Week starts | Series | Track | Race cadence | Length |
|---|---|---|---|---|---|
| 1 | NASCAR Modified Tour - 2026 Season Fixed | New Smyrna Speedway | 4 Timeslots Per Week | Rolling 200 laps | |
| 2 | NASCAR Modified Tour - 2026 Season Fixed | Lanier National Speedway - Asphalt | 4 Timeslots Per Week | Rolling 125 laps | |
| 3 | NASCAR Modified Tour - 2026 Season Fixed | USA International Speedway - Asphalt | 4 Timeslots Per Week | Rolling 125 laps | |
| 4 | NASCAR Modified Tour - 2026 Season Fixed | South Boston Speedway | 4 Timeslots Per Week | Rolling 125 laps | |
| 5 | NASCAR Modified Tour - 2026 Season Fixed | Martinsville Speedway | 4 Timeslots Per Week | Rolling 200 laps | |
| 6 | NASCAR Modified Tour - 2026 Season Fixed | Thompson Speedway Motorsports Park - Oval | 4 Timeslots Per Week | Rolling 125 laps | |
| 7 | NASCAR Modified Tour - 2026 Season Fixed | Hickory Motor Speedway | 4 Timeslots Per Week | Rolling 175 laps | |
| 8 | NASCAR Modified Tour - 2026 Season Fixed | Oxford Plains Speedway | 4 Timeslots Per Week | Rolling 175 laps | |
| 9 | NASCAR Modified Tour - 2026 Season Fixed | The Bullring | 4 Timeslots Per Week | Rolling 125 laps | |
| 10 | NASCAR Modified Tour - 2026 Season Fixed | Kevin Harvick's Kern Raceway - Asphalt Track | 4 Timeslots Per Week | Rolling 100 laps | |
| 11 | NASCAR Modified Tour - 2026 Season Fixed | Irwindale Speedway - Outer | 4 Timeslots Per Week | Rolling 200 laps | |
| 12 | NASCAR Modified Tour - 2026 Season Fixed | Stafford Motor Speedway - Full Course | 4 Timeslots Per Week | Rolling 125 laps | |
| 13 | NASCAR Modified Tour - 2026 Season Fixed | Langley Speedway | 4 Timeslots Per Week | Rolling 200 laps | |
| 14 | NASCAR Modified Tour - 2026 Season Fixed | Slinger Speedway - Oval | 4 Timeslots Per Week | Rolling 125 laps | |
| 15 | NASCAR Modified Tour - 2026 Season Fixed | Lucas Oil Indianapolis Raceway Park - Oval | 4 Timeslots Per Week | Rolling 150 laps | |
| 16 | NASCAR Modified Tour - 2026 Season Fixed | Thompson Speedway Motorsports Park - Oval | 4 Timeslots Per Week | Rolling 150 laps | |
| 17 | NASCAR Modified Tour - 2026 Season Fixed | New Hampshire Motor Speedway - Oval | 4 Timeslots Per Week | Rolling 100 laps | |
| 18 | NASCAR Modified Tour - 2026 Season Fixed | Stafford Motor Speedway - Full Course | 4 Timeslots Per Week | Rolling 150 laps | |
| 19 | NASCAR Modified Tour - 2026 Season Fixed | New Smyrna Speedway | 4 Timeslots Per Week | Rolling 125 laps | |
| 1 | Big Block Modified Series - 2026 Season 4 | Knoxville Raceway | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 1 | Big Block Modified Series - Fixed - 2026 Season 4 | Knoxville Raceway | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 1 | DIRTcar 358 Modified Series - 2026 Season 4 | Limaland Motorsports Park | Races every hour at :30 past | Rolling 30 laps | |
| 1 | DIRTcar UMP Modified Series - 2026 Season 4 | The Dirt Track at Charlotte | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 1 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | The Dirt Track at Charlotte | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 1 | NASCAR Tour Modified Series - 2026 Season 4 | USA International Speedway - Asphalt | Races every 2 hours on the hour | Rolling 75 laps | |
| 1 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | USA International Speedway - Asphalt | Races every 2 hours on the hour | Rolling 75 laps | |
| 1 | SK Modified Series - 2026 Season 4 - Fixed | Lucas Oil Indianapolis Raceway Park - Oval | Races every 2 hours on the hour | Rolling 40 laps | |
| 1 | SK Modified Weekly Series - 2026 Season 4 | Lucas Oil Indianapolis Raceway Park - Oval | Races every 2 hours on the hour | Rolling 40 laps | |
| 20 | NASCAR Modified Tour - 2026 Season Fixed | Concord Speedway | 4 Timeslots Per Week | Rolling 150 laps | |
| 2 | Big Block Modified Series - 2026 Season 4 | Lernerville Speedway | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 2 | Big Block Modified Series - Fixed - 2026 Season 4 | Lernerville Speedway | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 2 | DIRTcar 358 Modified Series - 2026 Season 4 | Cedar Lake Speedway | Races every hour at :30 past | Rolling 30 laps | |
| 2 | DIRTcar UMP Modified Series - 2026 Season 4 | Lucas Oil Speedway - Dirt Oval | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 2 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | Lucas Oil Speedway - Dirt Oval | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 2 | NASCAR Tour Modified Series - 2026 Season 4 | Stafford Motor Speedway - Full Course | Races every 2 hours on the hour | Rolling 80 laps | |
| 2 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | Stafford Motor Speedway - Full Course | Races every 2 hours on the hour | Rolling 80 laps | |
| 2 | SK Modified Series - 2026 Season 4 - Fixed | South Boston Speedway | Races every 2 hours on the hour | Rolling 40 laps | |
| 2 | SK Modified Weekly Series - 2026 Season 4 | South Boston Speedway | Races every 2 hours on the hour | Rolling 40 laps | |
| 21 | NASCAR Modified Tour - 2026 Season Fixed | Myrtle Beach Speedway | 4 Timeslots Per Week | Rolling 150 laps | |
| 3 | Big Block Modified Series - 2026 Season 4 | Lanier National Speedway - Dirt | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 3 | Big Block Modified Series - Fixed - 2026 Season 4 | Lanier National Speedway - Dirt | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 3 | DIRTcar 358 Modified Series - 2026 Season 4 | Lucas Oil Speedway - Dirt Oval | Races every hour at :30 past | Rolling 30 laps | |
| 3 | DIRTcar UMP Modified Series - 2026 Season 4 | Lanier National Speedway - Dirt | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 3 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | Lanier National Speedway - Dirt | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 3 | NASCAR Tour Modified Series - 2026 Season 4 | Bristol Motor Speedway - Single Pit Roads | Races every 2 hours on the hour | Rolling 90 laps | |
| 3 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | Bristol Motor Speedway - Single Pit Roads | Races every 2 hours on the hour | Rolling 90 laps | |
| 3 | SK Modified Series - 2026 Season 4 - Fixed | Stafford Motor Speedway - Full Course | Races every 2 hours on the hour | Rolling 40 laps | |
| 3 | SK Modified Weekly Series - 2026 Season 4 | Stafford Motor Speedway - Full Course | Races every 2 hours on the hour | Rolling 40 laps | |
| 4 | Big Block Modified Series - 2026 Season 4 | Oswego Speedway - Dirt | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 4 | Big Block Modified Series - Fixed - 2026 Season 4 | Oswego Speedway - Dirt | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 4 | DIRTcar 358 Modified Series - 2026 Season 4 | Eldora Speedway | Races every hour at :30 past | Rolling 30 laps | |
| 4 | DIRTcar UMP Modified Series - 2026 Season 4 | Cedar Lake Speedway | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 4 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | Cedar Lake Speedway | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 4 | NASCAR Tour Modified Series - 2026 Season 4 | Thompson Speedway Motorsports Park - Oval | Races every 2 hours on the hour | Rolling 75 laps | |
| 4 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | Thompson Speedway Motorsports Park - Oval | Races every 2 hours on the hour | Rolling 75 laps | |
| 4 | SK Modified Series - 2026 Season 4 - Fixed | Langley Speedway | Races every 2 hours on the hour | Rolling 40 laps | |
| 4 | SK Modified Weekly Series - 2026 Season 4 | Langley Speedway | Races every 2 hours on the hour | Rolling 40 laps | |
| 22 | NASCAR Modified Tour - 2026 Season Fixed | Thompson Speedway Motorsports Park - Oval | 4 Timeslots Per Week | Rolling 150 laps | |
| 5 | Big Block Modified Series - 2026 Season 4 | Limaland Motorsports Park | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 5 | Big Block Modified Series - Fixed - 2026 Season 4 | Limaland Motorsports Park | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 5 | DIRTcar 358 Modified Series - 2026 Season 4 | Kokomo Speedway - Tires in | Races every hour at :30 past | Rolling 30 laps | |
| 5 | DIRTcar UMP Modified Series - 2026 Season 4 | Huset's Speedway | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 5 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | Huset's Speedway | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 5 | NASCAR Tour Modified Series - 2026 Season 4 | North Wilkesboro Speedway - Oval | Races every 2 hours on the hour | Rolling 75 laps | |
| 5 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | North Wilkesboro Speedway - Oval | Races every 2 hours on the hour | Rolling 75 laps | |
| 5 | SK Modified Series - 2026 Season 4 - Fixed | Oswego Speedway - Oval | Races every 2 hours on the hour | Rolling 40 laps | |
| 5 | SK Modified Weekly Series - 2026 Season 4 | Oswego Speedway - Oval | Races every 2 hours on the hour | Rolling 40 laps | |
| 23 | NASCAR Modified Tour - 2026 Season Fixed | North Wilkesboro Speedway - Oval | 4 Timeslots Per Week | Rolling 100 laps | |
| 6 | Big Block Modified Series - 2026 Season 4 | Port Royal Speedway | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 6 | Big Block Modified Series - Fixed - 2026 Season 4 | Port Royal Speedway | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 6 | DIRTcar 358 Modified Series - 2026 Season 4 | Volusia Speedway Park | Races every hour at :30 past | Rolling 30 laps | |
| 6 | DIRTcar UMP Modified Series - 2026 Season 4 | Limaland Motorsports Park | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 6 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | Limaland Motorsports Park | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 6 | NASCAR Tour Modified Series - 2026 Season 4 | The Milwaukee Mile - Oval | Races every 2 hours on the hour | Rolling 50 laps | |
| 6 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | The Milwaukee Mile - Oval | Races every 2 hours on the hour | Rolling 50 laps | |
| 6 | SK Modified Series - 2026 Season 4 - Fixed | USA International Speedway - Asphalt | Races every 2 hours on the hour | Rolling 40 laps | |
| 6 | SK Modified Weekly Series - 2026 Season 4 | USA International Speedway - Asphalt | Races every 2 hours on the hour | Rolling 40 laps | |
| 7 | Big Block Modified Series - 2026 Season 4 | Cedar Lake Speedway | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 7 | Big Block Modified Series - Fixed - 2026 Season 4 | Cedar Lake Speedway | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 7 | DIRTcar 358 Modified Series - 2026 Season 4 | USA International Speedway - Dirt | Races every hour at :30 past | Rolling 30 laps | |
| 7 | DIRTcar UMP Modified Series - 2026 Season 4 | Knoxville Raceway | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 7 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | Knoxville Raceway | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 7 | NASCAR Tour Modified Series - 2026 Season 4 | Kevin Harvick's Kern Raceway - Asphalt Track | Races every 2 hours on the hour | Rolling 75 laps | |
| 7 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | Kevin Harvick's Kern Raceway - Asphalt Track | Races every 2 hours on the hour | Rolling 75 laps | |
| 7 | SK Modified Series - 2026 Season 4 - Fixed | Five Flags Speedway | Races every 2 hours on the hour | Rolling 40 laps | |
| 7 | SK Modified Weekly Series - 2026 Season 4 | Five Flags Speedway | Races every 2 hours on the hour | Rolling 40 laps | |
| 24 | NASCAR Modified Tour - 2026 Season Fixed | Southern National Motorsports Park | 4 Timeslots Per Week | Rolling 200 laps | |
| 8 | Big Block Modified Series - 2026 Season 4 | The Dirt Track at Charlotte | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 8 | Big Block Modified Series - Fixed - 2026 Season 4 | The Dirt Track at Charlotte | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 8 | DIRTcar 358 Modified Series - 2026 Season 4 | Knoxville Raceway | Races every hour at :30 past | Rolling 30 laps | |
| 8 | DIRTcar UMP Modified Series - 2026 Season 4 | Port Royal Speedway | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 8 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | Port Royal Speedway | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 8 | NASCAR Tour Modified Series - 2026 Season 4 | Southern National Motorsports Park | Races every 2 hours on the hour | Rolling 90 laps | |
| 8 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | Southern National Motorsports Park | Races every 2 hours on the hour | Rolling 90 laps | |
| 8 | SK Modified Series - 2026 Season 4 - Fixed | Concord Speedway | Races every 2 hours on the hour | Rolling 40 laps | |
| 8 | SK Modified Weekly Series - 2026 Season 4 | Concord Speedway | Races every 2 hours on the hour | Rolling 40 laps | |
| 9 | Big Block Modified Series - 2026 Season 4 | USA International Speedway - Dirt | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 9 | Big Block Modified Series - Fixed - 2026 Season 4 | USA International Speedway - Dirt | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 9 | DIRTcar 358 Modified Series - 2026 Season 4 | Fairbury Speedway | Races every hour at :30 past | Rolling 30 laps | |
| 9 | DIRTcar UMP Modified Series - 2026 Season 4 | Eldora Speedway | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 9 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | Eldora Speedway | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 9 | NASCAR Tour Modified Series - 2026 Season 4 | Lucas Oil Indianapolis Raceway Park - Oval | Races every 2 hours on the hour | Rolling 75 laps | |
| 9 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | Lucas Oil Indianapolis Raceway Park - Oval | Races every 2 hours on the hour | Rolling 75 laps | |
| 9 | SK Modified Series - 2026 Season 4 - Fixed | Irwindale Speedway - Inner | Races every 2 hours on the hour | Rolling 40 laps | |
| 9 | SK Modified Weekly Series - 2026 Season 4 | Irwindale Speedway - Inner | Races every 2 hours on the hour | Rolling 40 laps | |
| 25 | NASCAR Modified Tour - 2026 Season Fixed | Nashville Fairgrounds Speedway - Oval | 4 Timeslots Per Week | Rolling 150 laps | |
| 10 | Big Block Modified Series - 2026 Season 4 | Lucas Oil Speedway - Dirt Oval | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 10 | Big Block Modified Series - Fixed - 2026 Season 4 | Lucas Oil Speedway - Dirt Oval | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 10 | DIRTcar 358 Modified Series - 2026 Season 4 | Lanier National Speedway - Dirt | Races every hour at :30 past | Rolling 30 laps | |
| 10 | DIRTcar UMP Modified Series - 2026 Season 4 | Volusia Speedway Park | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 10 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | Volusia Speedway Park | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 10 | NASCAR Tour Modified Series - 2026 Season 4 | Lanier National Speedway - Asphalt | Races every 2 hours on the hour | Rolling 90 laps | |
| 10 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | Lanier National Speedway - Asphalt | Races every 2 hours on the hour | Rolling 90 laps | |
| 10 | SK Modified Series - 2026 Season 4 - Fixed | Southern National Motorsports Park | Races every 2 hours on the hour | Rolling 40 laps | |
| 10 | SK Modified Weekly Series - 2026 Season 4 | Southern National Motorsports Park | Races every 2 hours on the hour | Rolling 40 laps | |
| 11 | Big Block Modified Series - 2026 Season 4 | Eldora Speedway | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 11 | Big Block Modified Series - Fixed - 2026 Season 4 | Eldora Speedway | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 11 | DIRTcar 358 Modified Series - 2026 Season 4 | The Dirt Track at Charlotte | Races every hour at :30 past | Rolling 30 laps | |
| 11 | DIRTcar UMP Modified Series - 2026 Season 4 | Lincoln Speedway | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 11 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | Lincoln Speedway | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 11 | NASCAR Tour Modified Series - 2026 Season 4 | Myrtle Beach Speedway | Races every 2 hours on the hour | Rolling 75 laps | |
| 11 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | Myrtle Beach Speedway | Races every 2 hours on the hour | Rolling 75 laps | |
| 11 | SK Modified Series - 2026 Season 4 - Fixed | North Wilkesboro Speedway - Oval | Races every 2 hours on the hour | Rolling 40 laps | |
| 11 | SK Modified Weekly Series - 2026 Season 4 | North Wilkesboro Speedway - Oval | Races every 2 hours on the hour | Rolling 40 laps | |
| 26 | NASCAR Modified Tour - 2026 Season Fixed | Five Flags Speedway | 4 Timeslots Per Week | Rolling 200 laps | |
| 12 | Big Block Modified Series - 2026 Season 4 | Fairbury Speedway | Races hourly at :30 | Rolling H:8L C:10L F:50L | |
| 12 | Big Block Modified Series - Fixed - 2026 Season 4 | Fairbury Speedway | Races hourly at :00 | Rolling 50 laps / 50 mins | |
| 12 | DIRTcar 358 Modified Series - 2026 Season 4 | Lernerville Speedway | Races every hour at :30 past | Rolling 30 laps | |
| 12 | DIRTcar UMP Modified Series - 2026 Season 4 | Lernerville Speedway | Races hourly at :15 | Rolling H:8L C:10L F:30L | |
| 12 | DIRTcar UMP Modified Series - Fixed - 2026 Season 4 | Lernerville Speedway | Races hourly at :45 | Rolling 30 laps / 25 mins | |
| 12 | NASCAR Tour Modified Series - 2026 Season 4 | Hickory Motor Speedway | Races every 2 hours on the hour | Rolling 90 laps | |
| 12 | NASCAR Tour Modified Series - Fixed - 2026 Season 4 - Fixed | Hickory Motor Speedway | Races every 2 hours on the hour | Rolling 90 laps | |
| 12 | SK Modified Series - 2026 Season 4 - Fixed | Thompson Speedway Motorsports Park - Oval | Races every 2 hours on the hour | Rolling 40 laps | |
| 12 | SK Modified Weekly Series - 2026 Season 4 | Thompson Speedway Motorsports Park - Oval | Races every 2 hours on the hour | Rolling 40 laps |