The 23-year-old Californian set the tone early with a flying lap of 1m07.5382s across the 11-turn, 2.238-mile pure terrain street course.
His quickest time was achieved on a set of the more durable major tire compound.
Behind the Andretti Autosport pacesetter and two-time Laguna Seca race winner was Arrow McLaren’s Pato O’Ward, who trailed by 0.0529s, and was forward of team-mate Alexander Rossi in third. O’Ward logged 33 laps, essentially the most within the session.
Marcus Ericsson’s remaining race weekend with Chip Ganassi Racing noticed him fourth on the leaderboard, 0.2531s off the highest spot. Andretti’s Kyle Kirkwood completed up fifth.
Rahal Letterman Lanigan Racing was represented in sixth and seventh, led by rookie Juri Vips forward of team-mate Graham Rahal. Juncos Hollinger Racing was represented within the high 10 with Callum Ilott in eighth.
Six-time IndyCar Collection champion Scott Dixon got here away ninth, with Ed Carpenter Racing’s Rinus Veekay rounding out the remainder of the highest 10.
Romain Grosjean, Andretti Autosport Honda, Marcus Armstrong, Chip Ganassi Racing Honda
Photograph by: Michael L. Levitt / Motorsport Photos
Though the opening half-hour have been uninterrupted, the remainder of the 1h15m follow was suffering from stoppages with a minimum of 5 crimson flags.
It started with Romain Grosjean backing his Andretti Autosport machine into the tire barrier in Flip 4. The harm was vital as he was pressured to climb out as his Honda was towed again to the paddock.
After a crimson flag that lasted simply over 10 minutes, it took simply one other 180 seconds earlier than Vips acquired an pressing radio message to cease the automotive as a result of an obvious engine concern. The Estonian stopped on the Rahal straight and was assisted by the security crew, which towed him to the highest of the Corkscrew, permitting him to coast again to pit lane on the downhill run in impartial.
Group Penske’s Scott McLaughlin introduced out one other stoppage following the following restart, shedding the rear coming into Flip 1 and ending up caught within the gravel.
One other restart got here and went briefly when Juncos Hollinger Racing rookie Agustin Canapino’s astray tour that left him stalled in Flip 6.
The theme continued with Will Energy, who led testing on Thursday, closing out follow with a fifth crimson flag after heavy contact with the barrier in Flip 4 and he stopped on the right track in Flip 5. The Aussie ended thirteenth on the timesheets. “I broken the ground, man,” known as Energy over the radio.
Forward of follow, IndyCar Officers slapped Canapino with a six-position beginning grid penalty for Sunday’s Grand Prix of Monterey as a result of an unapproved engine change following the final spherical at Portland Worldwide Raceway.
Cla | Nº | Driver | Automobile / Engine | Time | Delay | Laps |
1 | 26 | Colton Herta | Dallara/Honda | 1’07.5382 | 15 | |
2 | 5 | Patricio O’Ward | Dallara/Chevrolet | 1’07.5911 | 0.0529 | 33 |
3 | 7 | Alexander Rossi | Dallara/Chevrolet | 1’07.6336 | 0.0954 | 28 |
4 | 8 | Marcus Ericsson | Dallara/Honda | 1’07.7913 | 0.2531 | 18 |
5 | 27 | Kyle Kirkwood | Dallara/Honda | 1’07.8502 | 0.3120 | 20 |
6 | 30 | Jüri Vips | Dallara/Honda | 1’07.9175 | 0.3793 | 23 |
7 | 15 | Graham Rahal | Dallara/Honda | 1’07.9515 | 0.4133 | 26 |
8 | 77 | Callum Ilott | Dallara/Chevrolet | 1’07.9552 | 0.4170 | 25 |
9 | 9 | Scott Dixon | Dallara/Honda | 1’07.9676 | 0.4294 | 16 |
10 | 21 | R.van Kalmthout | Dallara/Chevrolet | 1’08.0553 | 0.5171 | 22 |
11 | 60 | Tom Blomqvist | Dallara/Honda | 1’08.0666 | 0.5284 | 26 |
12 | 10 | Alex Palou | Dallara/Honda | 1’08.0687 | 0.5305 | 16 |
13 | 12 | Will Energy | Dallara/Chevrolet | 1’08.1056 | 0.5674 | 19 |
14 | 20 | Ryan Hunter-Reay | Dallara/Chevrolet | 1’08.1431 | 0.6049 | 22 |
15 | 18 | David Malukas | Dallara/Honda | 1’08.1797 | 0.6415 | 26 |
16 | 3 | Scott McLaughlin | Dallara/Chevrolet | 1’08.1919 | 0.6537 | 16 |
17 | 14 | Santino Ferrucci | Dallara/Chevrolet | 1’08.2098 | 0.6716 | 21 |
18 | 28 | Romain Grosjean | Dallara/Honda | 1’08.2391 | 0.7009 | 13 |
19 | 6 | Felix Rosenqvist | Dallara/Chevrolet | 1’08.2470 | 0.7088 | 25 |
20 | 2 | Josef Newgarden | Dallara/Chevrolet | 1’08.3103 | 0.7721 | 23 |
21 | 11 | Marcus Armstrong | Dallara/Honda | 1’08.3180 | 0.7798 | 21 |
22 | 55 | B.Pedersen | Dallara/Chevrolet | 1’08.3607 | 0.8225 | 29 |
23 | 29 | D.Defrancesco | Dallara/Honda | 1’08.4537 | 0.9155 | 24 |
24 | 06 | H.Castroneves | Dallara/Honda | 1’08.5527 | 1.0145 | 22 |
25 | 45 | C.Lundgaard | Dallara/Honda | 1’08.5958 | 1.0576 | 27 |
26 | 78 | Agustín Canapino | Dallara/Chevrolet | 1’08.7977 | 1.2595 | 19 |
27 | 51 | Sting Ray Robb | Dallara/Honda | 1’09.0907 | 1.5525 | 21 |