Ciceley Motorsport’s Tom Oliphant set the pace in a tight opening practice session at Silverstone, heading Team HARD’s Mike Bushell for the majority of the session.
Oliphant went fastest around 15 minutes into free practice one with a time of 58.474s, and held on to the top spot by 0.042s from Bushell.
Rob Austin was third fastest in his Alfa Romeo Giulietta, ahead of BMW Pirtek Racing’s Andrew Jordan by just two thousandths of a second.
WIX Racing with Eurotech’s Brett Smith completed the top five, with stablemate Jack Goff’s Honda Civic Type R just behind him.
Dan Cammish was seventh in the first of the Halfords Yuasa Racing Hondas, ahead of double champion Jason Plato in eighth position, the fastest of the Subarus.
Josh Cook placed ninth with an effort later in the session, with Aiden Moffat rounding out the top ten.
Championship challenger Tom Ingram finished 12th in his Speedworks Motorsport Toyota, while standings leader Colin Turkington could only manage 19th.
Defending champion Ash Sutton was 17th, just behind Ricky Collard, who continues to substitute for his father in the Team BMW seat.
Matt Simpson, who reverted back to running his own car at Knockhill, completed the most laps of any runner in the session, with 30 tours of the 1.639-mile national layout.
The second free practice session is set to get underway at 12:05.
Session results
POS | NO | DRIVER | NAT | ENTRANT | CAR | LAPS | TIME | GAP |
1 | 15 | Tom OLIPHANT | Ciceley Motorsport | Mercedes-Benz A-Class | 26 | 58.474 | 0.000 | |
2 | 21 | Mike BUSHELL | Trade Price Cars with Brisky Racing | Volkswagen CC | 16 | 58.516 | 0.042 | |
3 | 11 | Rob AUSTIN | DUO Motorsport with HMS Racing | Alfa Romeo Giulietta | 27 | 58.584 | 0.110 | |
4 | 77 | Andrew JORDAN | BMW Pirtek Racing | BMW 125i M Sport | 25 | 58.586 | 0.112 | |
5 | 39 | Brett SMITH | WIX Racing with Eurotech | Honda Civic Type R | 25 | 58.627 | 0.153 | |
6 | 31 | Jack GOFF | WIX Racing with Eurotech | Honda Civic Type R | 29 | 58.671 | 0.197 | |
7 | 27 | Dan CAMMISH | Halfords Yuasa Racing | Honda Civic Type R | 24 | 58.698 | 0.224 | |
8 | 99 | Jason PLATO | Adrian Flux Subaru Racing | Subaru Levorg GT | 26 | 58.699 | 0.225 | |
9 | 66 | Josh COOK | Power Maxed TAG Racing | Vauxhall Astra | 21 | 58.700 | 0.226 | |
10 | 16 | Aiden MOFFAT | Laser Tools Racing | Mercedes-Benz A-Class | 28 | 58.743 | 0.269 | |
11 | 22 | Chris SMILEY | BTC Norlin Racing | Honda Civic Type R | 26 | 58.746 | 0.272 | |
12 | 80 | Tom INGRAM | Speedworks Motorsport | Toyota Avensis | 22 | 58.750 | 0.276 | |
13 | 303 | Matt SIMPSON | Simpson Racing | Honda Civic Type R | 30 | 58.756 | 0.282 | |
14 | 3 | Tom CHILTON | Team Shredded Wheat Racing with Gallagher | Ford Focus RS | 25 | 58.761 | 0.287 | |
15 | 25 | Matt NEAL | Halfords Yuasa Racing | Honda Civic Type R | 24 | 58.784 | 0.310 | |
16 | 55 | Ricky COLLARD | Team BMW | BMW 125i M Sport | 23 | 58.792 | 0.318 | |
17 | 1 | Ashley SUTTON | Adrian Flux Subaru Racing | Subaru Levorg GT | 26 | 58.847 | 0.373 | |
18 | 26 | Daniel LLOYD | BTC Norlin Racing | Honda Civic Type R | 28 | 58.852 | 0.378 | |
19 | 2 | Colin TURKINGTON | Team BMW | BMW 125i M Sport | 25 | 58.875 | 0.401 | |
20 | 600 | Sam TORDOFF | Team GardX Racing with Motorbase | Ford Focus RS | 22 | 58.882 | 0.408 | |
21 | 33 | Adam MORGAN | MAC Tools with Ciceley Motorsport | Mercedes-Benz A-Class | 21 | 58.970 | 0.496 | |
22 | 18 | Senna PROCTOR | Power Maxed TAG Racing | Vauxhall Astra | 22 | 58.991 | 0.517 | |
23 | 60 | Stephen JELLEY | Team Parker Racing | BMW 125i M Sport | 28 | 59.027 | 0.553 | |
24 | 6 | Rory BUTCHER | AmD with AutoAid / RCIB Insurance Racing | MG 6 | 16 | 59.077 | 0.603 | |
25 | 48 | Ollie JACKSON | AmD with Cobra Exhausts | Audi S3 | 26 | 59.105 | 0.631 | |
26 | 19 | Bobby THOMPSON | Team HARD. with Trade Price Cars | Volkswagen CC | 17 | 59.240 | 0.766 | |
27 | 20 | James COLE | Team Shredded Wheat Racing with Gallagher | Ford Focus RS | 22 | 59.429 | 0.955 | |
28 | 23 | Sam SMELT | AmD with Cobra Exhausts | Audi S3 | 27 | 59.529 | 1.055 | |
29 | 43 | Ollie PIDGLEY | Trade Price Cars with Brisky Racing | Volkswagen CC | 25 | 59.605 | 1.131 | |
30 | 32 | Ethan HAMMERTON | Team HARD. with Trade Price Cars | Volkswagen CC | 11 | 59.759 | 1.285 | |
31 | 54 | Josh CAYGILL | AmD with AutoAid / RCIB Insurance Racing | MG 6 | 26 | 59.814 | 1.340 |