NASCAR Cup Series South Point 400 at Las Vegas Practice Results

Ty Gibbs, the driver of the No. 54 Joe Gibbs Racing Toyota Camry XSE, who is continuing to seek his first career NASCAR Cup Series win, turned the fastest single-lap time in practice for Sunday's South Point 400 at Las Vegas Motor Speedway.

Gibbs paced the session by 0.092 seconds over Playoff contender William Byron, who this week was revealed to have a 100 overall driver rating in the new NASCAR 25 console video game. While Byron lagged Gibbs in single-lap speed, Byron had the fastest car in the practice session in five-lap, 10-lap, 15-lap, 20-lap, 25-lap, and 30-lap consecutive averages.

Needless to say, Byron has a really good No. 24 Hendrick Motorsports Chevrolet underneath him this weekend in Sin City.

Chase Elliott, Byron's Hendrick Motorsports teammate and fellow Playoff contender, was third-fastest in the session, and he was followed by Denny Hamlin (Playoff contender), and Bubba Wallace inside the top-five of the single-lap speed charts.

Tyler Reddick, Chase Briscoe (Playoffs), Ross Chastain, Kyle Larson (Playoffs), and Christopher Bell (Playoffs) rounded out the top-10 drivers in the session.

Ryan Blaney and Joey Logano were the two NASCAR Cup Series Playoff contenders, who clocked in lap times outside of the top-10. Blaney was 17th-fastest, while Logano, the defending winner of this race, was only able to muster the 28th-fastest lap time in the session.

Here are the complete practice results for the 2025 NASCAR Cup Series South Point 400 at Las Vegas Motor Speedway. Race 33 of 36.

Rank	Car	Driver	Lap time
1	54	Ty Gibbs	29.714
2	24	William Byron (P)	29.806
3	9	Chase Elliott (P)	29.842
4	11	Denny Hamlin (P)	29.877
5	23*	Bubba Wallace	29.907
6	45*	Tyler Reddick	29.921
7	19	Chase Briscoe (P)	29.936
8	1	Ross Chastain	29.952
9	5	Kyle Larson (P)	30.013
10	20	Christopher Bell (P)	30.021
11	17	Chris Buescher	30.049
12	48	Alex Bowman	30.078
13	77	Carson Hocevar	30.086
14	47	Ricky Stenhouse Jr.	30.104
15	7	Justin Haley	30.131
16	16	AJ Allmendinger	30.137
17	12	Ryan Blaney (P)	30.150
18	99	Daniel Suarez	30.227
19	71	Michael McDowell	30.228
20	42	John Hunter Nemechek	30.234
21	8	Kyle Busch	30.241
22	38*	Zane Smith	30.251
23	34*	Todd Gilliland	30.265
24	4*	Noah Gragson	30.272
25	43	Erik Jones	30.274
26	35*	Riley Herbst #	30.292
27	2	Austin Cindric	30.304
28	22	Joey Logano (P)	30.321
29	6	Brad Keselowski	30.325
30	60	Ryan Preece	30.377
31	88	Shane van Gisbergen #	30.425
32	10	Ty Dillon	30.477
33	41	Cole Custer	30.579
34	21	Josh Berry	30.614
35	51	Cody Ware	30.663
36	3	Austin Dillon	30.755
37	44*	JJ Yeley (i)	30.833
38	78*	Katherine Legge	32.322

(P) indicates a NASCAR Cup Series Playoff driver
* indicates "Open" entry
# indicates a Rookie of the Year contender
(i) indicates a driver ineligible to score points

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