UNOH 250 Official Craftsman Truck Series Intelligence

Tech Section: Short-Track Aerodynamics & Chassis Dynamics

Concrete Banking Compression & Spring Platform Stability: Bristol Motor Speedway’s 24-to-28-degree banking subjects truck chassis to continuous vertical load spikes through corner entry. Why? The high-downforce, blunt front nose of the Craftsman Truck body creates massive aerodynamic front load, which compresses the front coilover springs into the bump stops under deceleration. So What? Teams must run high right-front spring rates and heavy low-speed shock dampening to keep the front splitter flat against the concrete, preventing understeer when sweeping through the high-groove banking.

Goodyear Right-Side Tire Debut & Compound Dynamics: Thursday night marks the official Craftsman Truck Series debut of Goodyear's right-side tire code D-6134 paired with left-side D-6106. Why? Concrete surfaces generate extreme frictional shear heat that strips rubber tread off standard compounds, requiring a stiffer right-side shoulder construction to resist tread deformation under 28-degree G-loads. So What? Crew chiefs lack prior race-run wear telemetry on this exact right-side compound, making initial 45-minute practice wear readings critical for setting cold inflation pressures and camber angles prior to qualifying.

Thermal Horsepower & Night Ambient Trajectory: Green flag pit execution occurs as ambient temperatures drop into the low 70s°F under the FS1 lighting rig. Why? Cooler evening air increases ambient air density entering the engine intake manifold, boosting peak V8 horsepower output while simultaneously lowering concrete track grip. So What? Chassis setups that are perfectly balanced during afternoon practice will shift toward a snap-oversteer condition late in Stage 3, forcing drivers to adjust rear brake bias toward the front to stabilize the rear axle under heavy braking.

Weekend Intelligence History (Relocated Technical Assets)

Goodyear Technical Parameters & Inflation Specs: Left-side code D-6106 (circumference 2,225 mm / 87.6 in.) and Right-side code D-6134 (circumference 2,250 mm / 88.6 in.). Why? Right-side tires feature internal safety inner liners mandatory for high-banked concrete. So What? Recommended minimum cold inflation pressures are strictly enforced: Left Front 20 psi, Right Front 45 psi, Left Rear 18 psi, Right Rear 40 psi to protect structural tire sidewalls.

Tire Set Allocation Limits: Teams receive 4 total dry weather sets (2 new race sets, 1 qualifying transfer set, 1 practice set) and 3 wet weather sets. Why? Controlled tire allocation prevents high-budget teams from cycling excessive rubber during practice. So What? Forces crew chiefs to conserve fresh right-side rubber for late-race Stage 3 cautions.

Drivers & Teams Intelligence: Exhaustive Official Roster (37 Entries)

Thursday’s UNOH 250 serves as the opening battle of The Chase presented by Mobil 1, initiating a seven-race postseason fight for the 2026 Craftsman Truck Series championship. The 10-driver playoff grid has been reset with playoff bonus points accumulated during the regular season. With 37 physical entries contesting 36 starting grid positions, one truck will be sent home following single-car time trials.

Regular Season Champion & Seed #1 (Layne Riggs): Front Row Motorsports’ Layne Riggs (#34) enters as the top seed with 2,100 points following a six-win regular season. Why? Riggs secured maximum playoff bonus points by dominating short-track flat and banked ovals throughout the summer. So What? Carrying a 25-point lead over second seed Kaden Honeycutt gives the No. 34 team a massive cushion to race aggressively for the Bristol win without fearing initial Round of 10 elimination.

Regan Smith High-Profile Return (#25 Kaulig Racing RAM): Veteran Regan Smith makes his return to Truck Series competition behind the wheel of Kaulig Racing's No. 25 RAM entry—his first series start since 2017. Why? Kaulig Racing is expanding its manufacturer development presence on short tracks under crew chief Dan Stillman. So What? Smith provides high-level telemetry feedback that elevates Kaulig's multi-truck fleet performance against established playoff powerhouses.

Kaulig Racing Five-Truck RAM Fleet Expansion: Kaulig Racing is fielding five RAM vehicles for Corey LaJoie (#10), Brenden Queen (#12), Mini Tyrrell (#14), Justin Haley (#16), and Regan Smith (#25). Why? Multi-vehicle chassis data pooling allows Kaulig engineers to cross-evaluate front anti-roll bar rates across five setups during practice. So What? Maximizes setup optimization across both full-time playoff drivers and veteran crossover entries.

Series Debut Spotlight (Caden Kvapil): Caden Kvapil makes his official NASCAR Craftsman Truck Series debut in the No. 76 Freedom Racing Enterprises Chevrolet under crew chief Mike Hillman Sr. So What? Kvapil must manage early traffic density on Bristol's high banks while locking in qualifying speed to ensure he makes the 36-truck starting field.

Exhaustive 37-Truck Official Entry Roster

Truck #	Driver	Team / Organization	OEM	Sponsor	Crew Chief
#1	Nick Leitz (C)	TRICON Garage	Toyota	Precision Measurements, Inc.	Jerame Donley
#2	Luke Baldwin	Team Reaume	Ford	Mohawk Northeast Inc.	Todd Myers
#4	Connor Hall	Niece Motorsports	Chevrolet	AutoVentive / Precision Vehicle Logistics	Mike Shiplett
#5	Bayley Currey	TRICON Garage	Toyota	Monster Truck Wars	Seth Smith
#7	Connor Mosack (C)	Spire Motorsports	Chevrolet	Friends of Jaclyn Foundation	Brian Pattie
#9	Grant Enfinger (C)	CR7 Motorsports	Chevrolet	Grant County Mulch	Derek Smith
#10	Corey LaJoie	Kaulig Racing	RAM	Mopar	Alex Yontz
#11	Kaden Honeycutt (C)	TRICON Garage	Toyota	Mobil 1	Scott Zipadelli
#12	Brenden Queen	Kaulig Racing	RAM	Cummins	Eddie Pardue Jr.
#13	Cole Butcher	ThorSport Racing	Ford	Atlantic Tilt Load	Rich Lushes
#14	Mini Tyrrell	Kaulig Racing	RAM	Ram	Chad Kendrick
#15	Tanner Gray	TRICON Garage	Toyota	Black's Tire / Elite Rewards	Jeff Hensley
#16	Justin Haley	Kaulig Racing	RAM	Ram	Mike Hillman Jr.
#17	Giovanni Ruggiero (C)	TRICON Garage	Toyota	First Auto Group	Jeff Stankiewicz
#18	Tyler Ankrum (C)	McAnally Hilgemann Racing	Chevrolet	LIUNA	Mark Hillman
#19	Daniel Hemric (C)	McAnally Hilgemann Racing	Chevrolet	Delphi	Kevin Bellicourt
#22	Jackson Macenko	Team Reaume	Ford	PolyDyn Performance Coatings	Kevin Johnson
#25	Regan Smith	Kaulig Racing	RAM	Ram	Dan Stillman
#26	Dawson Sutton	Rackley W.A.R	Chevrolet	Tennessee VOLS	Willie Allen
#33	Frankie Muniz	Team Reaume	Ford	Morgan & Morgan	Pedro Lopez
#34	Layne Riggs (C)	Front Row Motorsports	Ford	Love's Travel Stops / Peak	Dylan Cappello
#38	Chandler Smith (C)	Front Row Motorsports	Ford	QuickTie	Jon Leonard
#42	Parker Eatmon	Niece Motorsports	Chevrolet	Vetted Ventures	Landon Polinski
#44	Andres Perez De Lara	Niece Motorsports	Chevrolet	BLAC / Go Kart Mania Academy	Wally Rogers
#45	Landen Lewis (C)	Niece Motorsports	Chevrolet	Utilitra / J.F. Electric	Phil Gould
#52	Stewart Friesen	Halmar Friesen Racing	Toyota	Halmar International	Dustin Dunn
#56	Timmy Hill	Hill Motorsports	Toyota	Coble Enterprises	Terry Elmore
#62	William Sawalich (i)	Halmar Friesen Racing	Toyota	Soundgear	Jimmy Villeneuve
#75	Parker Kligerman	Henderson Motorsports	Chevrolet	FMS Solutions	Chris Carrier
#76	Caden Kvapil	Freedom Racing Enterprises	Chevrolet	Nor-Cal Equipment Rentals	Mike Hillman Sr
#77	Tristan McKee (C)	Spire Motorsports	Chevrolet	RCA	Chad Walter
#81	Kris Wright	McAnally Hilgemann Racing	Chevrolet	iHeartRadio / F.N.B. Corporation	Darren Fraley
#88	Ty Majeski (C)	ThorSport Racing	Ford	Great Lakes Flooring / Menards	Joe Shear Jr
#90	Justin Carroll	Terry Carroll Motorsports	Toyota	Carroll's Automotive	Terry Carroll
#91	Christian Eckes (C)	McAnally Hilgemann Racing	Chevrolet	Motion Industries	David Elenz
#98	Jake Garcia	ThorSport Racing	Ford	Quanta / Curb Records	Josh Hankish
#99	Ben Rhodes (C)	ThorSport Racing	Ford	Bommarito	Cale Gale

* (C) denotes Chase Postseason participant in Driver or Owner Championship. (i) denotes driver ineligible for Truck Series points.

The Chase Playoff Grid (Round of 10)

The 10-driver postseason field resets for the opening race of The Chase presented by Mobil 1 at Bristol:

Seed	Driver	Truck #	Reset Pts
1	Layne Riggs	#34	2,100
2	Kaden Honeycutt	#11	2,075
3	Chandler Smith	#38	2,065
4	Christian Eckes	#91	2,060
5	Giovanni Ruggiero	#17	2,055
6	Ty Majeski	#88	2,050
7	Grant Enfinger	#9	2,045
8	Daniel Hemric	#19	2,040
9	Ben Rhodes	#99	2,035
10	Tyler Ankrum	#18	2,030

Cross Over & Rookie Watch

Tristan McKee (#77 Spire Motorsports Chevrolet): Making his 3rd career Truck start while simultaneously battling for the ARCA East championship earlier in the day. Why? Logging 450 total Bristol laps on Thursday accelerates his concrete adaptation. So What? Positions the No. 77 as a major non-playoff spoiler in night traffic.

William Sawalich (#62 Halmar Friesen Racing Toyota): Pulling double-duty across the Bristol weekend. Why? Multi-series short-track starts build seat time under race conditions. So What? Provides HFR with advanced telemetry on right-side tire fall-off.

Parker Kligerman (#75 Henderson Motorsports): Short-track veteran running selected national events. So What? Henderson Motorsports' single-truck agility makes Kligerman a high-potency threat to win stage points outright.

Corey LaJoie (#10 Kaulig Racing RAM): Cup Series veteran driving Kaulig's lead RAM truck. So What? Heavy short-track experience gives LaJoie an immediate restart advantage into Turn 1.

Weather & Track Metrics

Track Layout: 0.533-Mile Concrete Oval
Banking: 24° to 28° (Turns), 4° to 8° (Straights)
Forecast: Clear, low 70s°F for 8:00 PM ET green flag.
So What? Stable evening temperatures under the lights will prevent concrete track slickness, keeping tire rubber bonded to the high lane and rewarding high-momentum momentum lines.

Official Social Buzz

#UNOH250 / #NASCARPlayoffs: High fan engagement surrounding the kickoff of The Chase presented by Mobil 1, Layne Riggs' 6-win regular season momentum, Regan Smith's return in the No. 25 RAM, Caden Kvapil's debut, and the 37-truck fight for 36 starting spots under the FS1 lights.