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Before Saturday night’s NASCAR Camping World Truck Series Clean Harbors 150 goes green at Knoxville Raceway, four qualifying heat races will set the 36-truck starting lineup for the main event. The first of the heats is scheduled for 7 p.m. ET with the 150-lap headliner set for a 9 p.m. ET start time — all broadcast on FS1, MRN and SiriusXM NASCAR Radio. This is Knoxville’s second time hosting the Truck Series on the half-mile dirt oval.
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The four qualifying heats will be made of 15 laps each, with only green-flag laps counting. There will be no overtime rule in effect, but free-pass and wave-around procedures will remain. Starting lineups for the four heats were determined by a random draw, conducted in order of team owner points standings. With 38 trucks on the entry list, there will be two heats of 10 trucks and two heats featuring nine trucks. The Truck Series field is capped at 36, so barring a late entry, two trucks will not qualify for the main event.
Qualifying Race #1
| Starting Spot | Driver | Truck Number | Team |
| 1 | Zane Smith | No. 38 | Front Row Motorsports |
| 2 | John Hunter Nemechek | No. 4 | Kyle Busch Motorsports |
| 3 | Joey Gase | No. 30 | On Point Motorsports |
| 4 | Brett Moffitt | No. 22 | AM Racing |
| 5 | Thad Moffitt | No. 20 | Young’s Motorsports |
| 6 | Tyler Ankrum | No. 16 | Hattori Racing |
| 7 | Devon Rouse | No. 43 | Reaume Brothers Racing |
| 8 | Derek Kraus | No. 19 | McAnally-Hilgemann |
| 9 | Norm Benning | No. 6 | Norm Benning Racing |
| 10 | Brayton Laster | No. 33 | Reaume Brothers Racing |
Qualifying Race #2
| Starting Spot | Driver | Truck Number | Team |
| 1 | Chandler Smith | No. 18 | Kyle Busch Motorsports |
| 2 | Jessica Friesen | No. 62 | Halmar Friesen Racing |
| 3 | Jack Wood | No. 24 | GMS Racing |
| 4 | Grant Enfinger | No. 23 | GMS Racing |
| 5 | Carson Hocevar | No. 42 | Niece Motorsports |
| 6 | Dean Thompson | No. 40 | Niece Motorsports |
| 7 | Matt Crafton | No. 88 | ThorSport Racing |
| 8 | Braden Mitchell | No. 53 | Sparks Motorsports |
| 9 | Christian Eckes | No. 98 | ThorSport Racing |
| 10 | Bryson Mitchell | No. 46 | G2G Racing |
Qualifying Race #3
| Starting Spot | Driver | Truck Number | Team |
| 1 | Kris Wright | No. 44 | Niece Motorsports |
| 2 | Hailie Deegan | No. 1 | Team DGR |
| 3 | Spencer Boyd | No. 12 | Young’s Motorsports |
| 4 | Chase Purdy | No. 61 | Hattori Racing |
| 5 | Buddy Kofoid | No. 51 | Kyle Busch Motorsports |
| 6 | Tyler Carpenter | No. 41 | Niece Motorsports |
| 7 | Ben Rhodes | No. 99 | ThorSport Racing |
| 8 | Matt DiBenedetto | No. 25 | Rackley W.A.R. |
| 9 | Dylan Westbrook | No. 3 | Jordan Anderson Racing |
Qualifying Race #4
| Starting Spot | Driver | Truck Number | Team |
| 1 | Todd Gilliland | No. 17 | Team DGR |
| 2 | Tanner Gray | No. 15 | Team DGR |
| 3 | Colby Howard | No. 91 | McAnally Hilgemann |
| 4 | Ty Majeski | No. 66 | ThorSport Racing |
| 5 | Blaine Perkins | No. 9 | CR7 Motorsports |
| 6 | Timmy Hill | No. 56 | Hill Motorsports |
| 7 | Stewart Friesen | No. 52 | Halmar Friesen Racing |
| 8 | Kaz Grala | No. 02 | Young’s Motorsports |
| 9 | Lawless Alan | No. 45 | Niece Motorsports |
The starting lineup will be determined by a formula that includes finishing spot and the number of positions a driver gained during their heat. Drivers that win their respective heats will earn 10 points, second place earns nine, third place grabs eight and so forth. Additionally, drivers will earn one point for each position gained during their heat. No point deductions or “negative points” will be handed to drivers who lose positions during their heat. Heat points are exclusively to set the starting lineup and will not count toward the season-long championship standings.