Kyle Larson at Indianapolis 500 open test

Kyle Larson's No. 17 Arrow McLaren Chevrolet crossed the yard of bricks at the Indianapolis Motor Speedway's start/finish line. Larson drove to the second-fastest lap in the Indianapolis 500 open test, which was shortened by rain.

Kyle Larson suits up for Wednesday's sessions at the Indianapolis Motor Speedway. The first part of Indy 500 testing was split between veteran drivers, then rookies and refresher courses.

Kyle Larson sits in his pit stall under dark skies with his Arrow McLaren crew attending to his No. 17 entry.

Kyle Larson shakes hands with defending Indy 500 winner Josef Newgarden during a media session at the Indianapolis Motor Speedway. Team Penske's Newgarden topped the open test for the third straight year, and Larson was second-fastest of the 34 drivers who clocked laps in the session.

Kyle Larson waits in the cockpit of his No. 17 Arrow McLaren Chevrolet on the Indianapolis Motor Speedway's pit lane.

Kyle Larson's No. 17 entry leaves the pit area for test runs in preparation for the May 26 Indy 500.

The No. 17 Arrow McLaren crew covers the car as rain begins to fall during Wednesday's test session. Wet weather interrupted and shortened Wednesday's action, then washed away a scheduled second day of testing Thursday.

Kyle Larson smiles during a break in the action at Indy 500 open testing.

Kyle Larson's No. 17 entry leaves its pit stall in a blur at the Indianapolis Motor Speedway.

Kyle Larson meets the press during Wednesday's test day at the Indianapolis Motor Speedway.