Indycar 2025 Calendar Release Date. After returning to the milwaukee mile with a doubleheader in 2024, the ntt indycar series will race the venerable track just once in 2025 and not on labor day. This charter system only allows for a maximum of 3 charters.
Petersburg, united states firestone grand prix of st. The 2025 ntt indycar season kicks off with the firestone grand prix of st.