The final dress rehearsal for the 2026 NTT INDYCAR SERIES season is underway today, as a full grid of 25 drivers are scheduled to be on track during the two-day Unser INDYCAR Open Test at Phoenix Raceway.

Cars are on track from 2-7 p.m. ET today and 11 a.m.-2 p.m. ET and 3:30-6:30 p.m. ET Wednesday, Feb. 18 on the historic, 1.022-mile Phoenix oval.

SEE: Live Timing | Open Test Entry List

Follow all the action through live timing, and also keep an eye on INDYCAR social channels for more coverage. A complete wrap-up report and notebook will be featured on INDYCAR.com this evening and Wednesday evening.

For those fans in the Phoenix area, the Wednesday sessions will be open and free to the public, with an autograph session at 2:45 p.m. ET (12:45 p.m. MT).

The 2026 season starts with the Firestone Grand Prix of St. Petersburg on Sunday, March 1 on the streets of St. Petersburg (noon, FOX, FOX One, FOX Deportes, FOX Sports app, INDYCAR Radio Network), followed by the Good Ranchers 250 on Saturday, March 7 at Phoenix. It’s the first INDYCAR SERIES race at Phoenix since 2018.