Imsa 2024 Schedule Released Or Not. Personal poster i created with the 2024 imsa schedule.  — imsa has today announced the 2024 calendar for the weathertech sportscar championship which will return to detroit and not attend lime rock park for the first time since 2020.

 — the second appearance next year of the imsa weathertech championship at the indianapolis motor speedway under the ownership of roger penske will become a major endurance event. 1:30 pm to 2:30 pm et.