Byron Earns Top-Five Finish at Sonoma (CA) Road Course
June 27, 2015
WIlliam Byron and the HScott Motorsports with Justin Marks team ventured west to compete in the NASCAR K&N Pro Series West race at Sonoma (CA) Raceway. The race was Byron's first road course race in a stock car. The driver of the No. 91 University Chevrolet led the final practice session, qualified second and raced to a fifth-place finish.
NASCAR K&N Pro Series West Race Results
Sonoma Raceway
June 27, 2015
| 1 | 1 | 17 | David Mayhew | MMI Racing/Ron's Read Ends/Pour House Chevrolet | 68 | 47 | 4 | Running |
| 2 | 3 | 52 | Dalton Sargeant * | GALT Chevrolet | 68 | 44 | 2 | Running |
| 3 | 11 | 5 | J.J. Haley * | Braun Auto Chevrolet | 68 | 41 | Running | |
| 4 | 7 | 9 | Ryan Partridge * | Sunrise Ford/Eibach Springs/Lucas Oil Ford | 68 | 40 | Running | |
| 5 | 2 | 91 | William Byron * | Liberty University Chevrolet | 68 | 39 | Running | |
| 6 | 6 | 40 | Austin Dillon | K&L Ready Mix Chevrolet | 68 | 38 | Running | |
| 7 | 12 | 7 | Noah Gragson * | AlertID/Colliers International Ford | 68 | 37 | Running | |
| 8 | 5 | 21 | Alex Schutte * | Proficio Chevrolet | 68 | 36 | Running | |
| 9 | 13 | 0 | Cole Custer | NAPA Auto Parts/Haas Automation Toyota | 68 | 35 | Running | |
| 10 | 9 | 60 | Trevor Bayne | AdvoCare Ford | 68 | 34 | Running | |
| 11 | 34 | 8 | Johnny Borneman | Twisted X Boots/Jeff Co Trans./Boreneman Trucking | 68 | 33 | Running | |
| 12 | 21 | 27 | Gracin Raz * | Trinity Energy Ford | 68 | 32 | Running | |
| 13 | 17 | 99 | Chris Eggleston | NAPA Filters/H20 Fire Protection Toyota | 68 | 31 | Running | |
| 14 | 22 | 31 | Johnny White * | MMI Service Chevrolet | 68 | 30 | Running | |
| 15 | 10 | 55 | Matt Tifft | Federated Auto Parts/Special Olympics Toyota | 68 | 29 | Running | |
| 16 | 24 | 74 | Luis Tyrrell | Rodon Builders Chevrolet | 68 | 28 | Running | |
| 17 | 15 | 3 | Kaz Grala * | Kiklos Toyota | 68 | 27 | Running | |
| 18 | 16 | 5 | Michael Shawhan * | Click Away/BTM Motorswerks Chevrolet | 68 | 26 | Running | |
| 19 | 4 | 16 | Brandon McReynolds | NAPA Auto Parts Toyota | 67 | 25 | Accident | |
| 20 | 25 | 25 | Tom Klauer | Valley Relocation/Waste Erasers Chevrolet | 67 | 24 | Running | |
| 21 | 30 | 84 | Rich DeLong III | Country Girl Saloon/Ron's Rear Ends Chevrolet | 67 | 23 | Running | |
| 22 | 37 | 36 | Jim Weiler * | RoddRenovations.com Ford | 67 | 22 | Running | |
| 23 | 31 | 33 | Nicole Behar * | Custom Welding & Fabrication Toyota | 67 | 21 | Running | |
| 24 | 18 | 11 | Thomas Martin | Shoo Away/Med Active Chevrolet | 66 | 20 | Running | |
| 25 | 35 | 14 | Matt Levin * | Port of Tucson Toyota | 66 | 19 | Running | |
| 26 | 33 | 6 | John Wood | Hollerans Perf./Idaho 208 Toyota | 66 | 18 | Running | |
| 27 | 28 | 18 | Bill Kann | B&B Motorsports Toyota | 66 | 17 | Running | |
| 28 | 8 | 6 | James Bickford | Sunrise Ford/Interstate Plastics Ford | 66 | 16 | Running | |
| 29 | 20 | 38 | Dave Smith | Baker Energy Team/Sonoma Harvest Dodge | 65 | 15 | Running | |
| 30 | 36 | 30 | Ron Norman * | Port of Tucson Ford | 65 | 14 | Running | |
| 31 | 38 | 15 | Jack Sellers | Med Active Relief for Dry Mouth/Racers Drive | 63 | 13 | Clutch | |
| 32 | 14 | 1 | Jim Inglebright | Federated Auto Parts Chevrolet | 63 | 12 | Running | |
| 33 | 26 | 61 | Brett Thompson | RTTI/61 Logistics/Blu.ING.com Chevrolet | 59 | 11 | Clutch | |
| 34 | 19 | 13 | Todd Souza | Central Coast Cabinets Ford | 35 | 10 | Engine | |
| 35 | 29 | 47 | Scott Ivie | MSI Development Inc Toyota | 31 | 9 | Running | |
| 36 | 23 | 86 | Tim Spurgeon * | Kleen Blast/David's Racing Products Ford | 25 | 8 | Accident | |
| 37 | 32 | 51 | Carlos Vieira | 51 FIFTY Energy Drink Toyota | 25 | 7 |