Anduril 250

Heim Milestone • 23XI Historic 1-2 • v5.0 Final Recap
Naval Base Coronado
June 21, 2026
WINNER: Corey Heim (#67)
MARGIN: 10.365 Seconds
AVG SPEED: 70.561 MPH

Post Race Analysis: The Redemption of Resilience

The Why: Corey Heim secured his first career NASCAR Cup Series victory in his 13th start by executing a "Patience-and-Pressure" maneuver in the final stage. Why? After starting 13th and battling through two "worst-tier" tire sets early, crew chief Bootie Barker opted for a deep-stage tire rotation strategy. So What? This allowed Heim to hunt down teammate Tyler Reddick, who was struggling with rear tire life. When Reddick slipped in Turn 2 on Lap 73, Heim utilized superior side-force grip to clear him through Turn 4 and cruise to a 10.3-second victory.

The So What: The victory marks the first organization 1-2 finish for 23XI Racing. Bubba Wallace’s P2 finish serves as a historic recovery profile; despite a two-lap penalty for a right-front wheel detachment in Stage 1, Wallace utilized a series of "Lucky Dog" passes and the Lap 32 red-flag reset to climb back into the lead-lap classification. Conversely, pre-race favorite Shane van Gisbergen saw his street-course dominance shattered in a multicar crash triggered by Connor Zilisch at the runway centerline crown.

Official Technical Insights:
  • Runway Centerline Attrition: The 3.4-mile layout featured a distinct drainage "crown" on the active flight lines. Why? The sloping center causes chassis to momentarily unload at 165+ MPH. So What? On Lap 32, Connor Zilisch went "light" over the crown, sliding into SVG and triggering a chain reaction that eliminated three top-10 contenders and necessitated a 10-minute red flag.
  • Goodyear Tire Allotment Flex: NASCAR added a 10th set of dry-weather Goodyears (D-5242) following extreme graining data in practice. Why? High thermal mass conduction from 1,200°F rotors into aluminum wheels threatened tire beads. So What? Teams that over-used their stickers early, like Reddick, found themselves defenseless against those with fresher scuffs (Heim) in the final 5-lap sprint.

Post Race Top 10 Finishers: Technical Factors

PosNo.DriverKey Aspect of PlacementRace Highlight
167Corey HeimHigh-grip geometry on final tire set.Won in 13th start; led final 3 laps.
223Bubba WallaceExtreme recovery profile (from -2 laps).Earned free pass on Lap 32; secured 23XI 1-2.
35Kyle LarsonDamper blow-off compliance.Led 11 laps; best performing Chevrolet.
438Zane SmithAvoidance of Turn 1 bottlenecks.Career-best street course finish for FRM.
516AJ AllmendingerBrake bias manual management.Maintained podium speed through late-race oil hazards.
617Chris BuescherConsistent aerodynamic platform.Led 7 laps through mid-race strategy cycles.
71Ross ChastainInterval management on abrasive concrete.Top 10 finish in "Veterans Honor" tribute scheme.
835Riley HerbstGeometric precision through chicanes.Led 3 laps; earned highest Rick Ware result of 2026.
912Ryan BlaneyClean air prioritization.Stage 1 Winner; led race-high 12 laps.
1071Michael McDowellMechanical resilience after Turn 1 damage.Recovered from big wreck to secure top-10.

Post Race Play By Play: Forensic Intelligence Log

7
Cautions
11
Yellow Laps
20
Lead Changes
13
Lead Drivers
🏁 LAP 1: START LEAD: Shane van Gisbergen (#97)
Why: Utilized pole position to control the racing line through the Coronado Chicane.
🔄 LAP 4: LEAD CHANGE Ryan Blaney (#12) takes the lead.
Why: Overtook SVG as the pole-sitter complained of a lack of rear grip on the green runway concrete.
🔄 LAP 10: LEAD CHANGE Bubba Wallace (#23) takes the lead.
Why: Inherited the point after Blaney pitted for an early tire rotation.
🔄 LAP 12: LEAD CHANGE Shane van Gisbergen (#97) takes the lead.
Why: Out-braked Wallace entering Turn 5 after Wallace’s tires began to overheat.
⚠️ LAPS 13-14: CAUTION #1
Reason: Ricky Stenhouse Jr. (#47) stalled on track.
So What? This caution allowed Christopher Bell to execute a planned driver swap with Brent Crews to protect his fractured wrist points matrix.
⚡ LAP 16: LEAD CHANGE Ryan Blaney (#12) takes the lead.
Why: Won the restart shuffle on fresh Goodyear rubber.
🏁 LAP 20: CAUTION #2 (STAGE 1 END)
Winner: Ryan Blaney.
Incident: Bubba Wallace lost a right-front wheel during the caution cycle. So What? Wallace was assessed a two-lap penalty, dropping him to the rear.
⚡ LAP 21: LEAD CHANGE Ryan Preece (#60) takes the lead.
Why: Stayed out during stage-break pit stops.
🔄 LAP 23: LEAD CHANGE Connor Zilisch (#88) takes the lead.
Why: Passed Preece entering the runway section; first career Cup laps led.
⚠️ LAP 31: CAUTION #3
Reason: Brent Crews (#20) stopped on track with a gearbox failure.
LEAD CHANGE (Lap 31): Austin Hill (#33) takes lead under yellow.
🔄 LAP 32: LEAD CHANGE Riley Herbst (#35) takes the lead.
🔥 LAP 33: CAUTION #4 & RED FLAG
Reason: **The Big One.** Multicar incident Turn 1.
Drivers Impacted: #97 (SVG), #88 (Zilisch), #54 (Gibbs), #12 (Blaney), #33 (Hill), #71 (McDowell), #7 (Suarez).
So What? Red flag for 9 minutes, 33 seconds. SVG, Zilisch, and Hill were forced into terminal DNFs. Wallace earned the Free Pass.
🔄 LAP 34: LEAD CHANGE Zane Smith (#38) takes the lead.
⚡ LAP 37: LEAD CHANGE Kyle Larson (#5) takes the lead.
Why: Superior mechanical grip over the transition seams on the restart.
🔄 LAP 38: LEAD CHANGE Riley Herbst (#35) takes the lead.
⚡ LAP 39: LEAD CHANGE Ryan Preece (#60) takes the lead.
🏁 LAP 42: CAUTION #5 (STAGE 2 END)
Winner: Ryan Preece.
LEAD CHANGE (Lap 42): Chris Buescher (#17) takes lead under caution shuffle.
⚠️ LAP 45: CAUTION #6
Reason: Debris in Turn 2.
🔄 LAP 48: LEAD CHANGE Ryan Blaney (#12) takes the lead.
⚡ LAP 49: LEAD CHANGE Kyle Larson (#5) takes the lead.
Why: Overtook Blaney on fresh scuffs as Blaney’s tire pressures expanded past the safety ceiling.
🔄 LAP 59: LEAD CHANGE Carson Hocevar (#77) takes the lead.
Why: Stayed out during a round of green-flag pit stops.
⚡ LAP 61: LEAD CHANGE Chris Buescher (#17) takes the lead.
⚠️ LAPS 62-63: CAUTION #7
Reason: Oil on track from #47.
LEAD CHANGE (Lap 62): Carson Hocevar (#77) regains lead under yellow.
⚔️ LAP 64: LEAD CHANGE Tyler Reddick (#45) takes the lead.
Why: Capitalized on Hocevar’s spin at the start/finish line under the restart pressure.
🏁 LAP 73: LEAD CHANGE Corey Heim (#67) takes the lead.
Why: Reddick wheel-hopped in Turn 2 over the bumpy transitions; Heim executed a side-by-side pass through the carrier chicanes to secure the point.
🏁 LAP 75: CHECKERED FLAG WINNER: Corey Heim (#67)
Why: Secured 10.365s margin after Reddick suffered a terminal flat left-front tire with two laps remaining.

Appendix: Revision History

v5.0 Jun 23, 2026

v4.0 Jun 21, 2026

v3.0 Jun 20, 2026

v2.0 Jun 18, 2026

v1.0 Feb 17, 2026