Nine drivers from four different teams were on track on Monday for a private test around the short course of Sebring International Raceway.
After a full day of running, it was Romain Grosjean who set the fastest time of 52.059 seconds and completed over 200 laps.
His Andretti Autosport team-mate Kyle Kirkwood put up the second fastest time of the day, only three hundredths of a second slower than the top mark.
Callum Ilott was the fastest Chevy driver, putting his Juncos Hollinger Chevy into third on the timesheets and ahead of most of the other participants.
In fourth was the Chip Ganassi Racing rookie of Marcus Armstrong. The F2 convert logged the most laps out of anyone, completing over 250 laps of the bumpy track.
The Ed Carpenter Racing duo of Conor Daly and Rinus VeeKay were active as well, as were the remaining drivers from the Andretti Autosport and JHR stables.
Also on track was Will Power, who was piloting a car with a full 2024-spec powertrain for the first time.
Complete with the new hybrid components that were recently brought in-house to IndyCar’s own specialists affixed to the current engine, Power did his best to give constructive feedback on the performance of the setup.
The reigning champion was only able to complete 24 laps before his car suffered unrelated mechanical trouble, however, and will try again to gather valuable data on Tuesday.
Power will not be the only driver on track, as another contingent of drivers are scheduled to use one of their allotted test sessions tomorrow to prepare for the season-opener in just over two weeks’ time.