Briscoe was followed by IZOD IndyCar Series points leader Will Power (225.703 mph in the No. 12 Verizon Team Penske machine), who was sixth-fastest on the timing charts.
"We've been working away the last few days on our race setup and I think we're where we need to be," said Power. "I think the Verizon car has a good setup for the race and from now on we're just going to concentrate on qualifying. I can see it's going to be a very tight qualifying on Saturday. With the speeds as close as they are and the talent level in the field, it's going to be really tight. It was good to get in some solid running today with no interruptions because of the weather and hopefully it will be more of the same tomorrow."
Three-time Indy 500 champion Helio Castroneves owned the eighth-fastest lap of the day with a speed of 225.563 mph in the No. 3 Team Penske Dallara/Honda. Castroneves still holds the overall fastest time in practice with a quick lap of 227.046 mph posted during Sunday's session.
"All three Team Penske cars continued working together today," said Castroneves. "We tried to simulate what we might face in the race. We're working hard to make sure all three cars have a chance to be on top in the race. The weather was still a little cold today, but hopefully it's a better day tomorrow so we can focus on qualifying."
Practice is scheduled to resume Thursday at 12 p.m. ET. Pole day qualifying on Saturday is set to begin at 11 a.m. ET and will be televised live on Versus. The race is scheduled for Sunday, May 30 at 1 p.m. with ABC's live coverage beginning at noon.