Unofficial speeds from organizational Next Gen testing for the NASCAR Cup Series on Jan. 25-26 at Phoenix Raceway. Note that times are unofficial, with no technical inspection conducted before each session.
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Day 1 - Practice
| Pos. |
No. |
Driver(s) |
Make |
Team |
Best time (seconds) |
Differential |
Best speed (mph) |
| 1 |
5 |
Kyle Larson |
Chevrolet |
Hendrick Motorsports |
27.329 |
|
131.728 |
| 2 |
8 |
Tyler Reddick |
Chevrolet |
Richard Childress Racing |
27.474 |
-0.145 |
131.033 |
| 3 |
22 |
Joey Logano |
Ford |
Team Penske |
27.500 |
-0.171 |
130.909 |
| 4 |
47 |
Ricky Stenhouse Jr. |
Chevrolet |
JTG Daugherty Racing |
27.534 |
-0.205 |
130.747 |
| 5 |
23 |
Kurt Busch/Bubba Wallace |
Ford |
23XI Racing |
27.563 |
-0.234 |
130.610 |
| 6 |
12 |
Ryan Blaney |
Ford |
Team Penske |
27.583 |
-0.254 |
130.515 |
| 7 |
17 |
Chris Buescher |
Ford |
RFK Racing |
27.592 |
-0.263 |
130.473 |
| 8 |
9 |
Chase Elliott |
Chevrolet |
Hendrick Motorsports |
27.611 |
-0.282 |
130.383 |
| 9 |
4 |
Kevin Harvick |
Ford |
Stewart-Haas Racing |
27.648 |
-0.319 |
130.208 |
| 10 |
18 |
Kyle Busch |
Toyota |
Joe Gibbs Racing |
27.743 |
-0.414 |
129.762 |
| 11 |
1 |
Daniel Suarez |
Chevrolet |
Trackhouse Racing |
27.781 |
-0.452 |
129.585 |
| 12 |
19 |
Martin Truex Jr. |
Toyota |
Joe Gibbs Racing |
27.784 |
-0.455 |
129.571 |
| 13 |
14 |
Chase Briscoe |
Ford |
Stewart-Haas Racing |
27.809 |
-0.480 |
129.454 |
| 14 |
31 |
Daniel Hemric |
Chevrolet |
Kaulig Racing |
27.848 |
-0.519 |
129.273 |
| 15 |
21 |
Austin Cindric |
Ford |
Wood Brothers Racing |
27.894 |
-0.565 |
129.060 |
| 16 |
38 |
Michael McDowell |
Ford |
Front Row Motorsports |
28.004 |
-0.675 |
128.553 |
| 17 |
42 |
Ty Dillon |
Chevrolet |
Petty GMS Motorsports |
28.147 |
-0.818 |
127.900 |
| 18 |
27 |
Loris Hezemans |
Ford |
Team Hezeberg |
28.721 |
-1.392 |
125.344 |
Day 2 - Practice
| Pos. |
No. |
Driver(s) |
Make |
Team |
Best time (seconds) |
Differential |
Best speed (mph) |
| 1 |
12 |
Ryan Blaney |
Ford |
Team Penske |
27.292 |
|
131.907 |
| 2 |
22 |
Joey Logano |
Ford |
Team Penske |
27.327 |
-0.035 |
131.738 |
| 3 |
14 |
Chase Briscoe |
Ford |
Stewart-Haas Racing |
27.376 |
-0.084 |
131.502 |
| 4 |
9 |
Chase Elliot |
Chevrolet |
Hendrick Motorsports |
27.413 |
-0.121 |
131.325 |
| 5 |
4 |
Kevin Harvick |
Ford |
Stewart-Haas Racing |
27.457 |
-0.165 |
131.114 |
| 6 |
19 |
Martin Truex Jr. |
Toyota |
Joe Gibbs Racing |
27.481 |
-0.189 |
131.000 |
| 7 |
38 |
Todd Gilliland |
Ford |
Front Row Motorsports |
27.594 |
-0.302 |
130.463 |
| 8 |
5 |
Kyle Larson |
Chevrolet |
Hendrick Motorsports |
27.607 |
-0.315 |
130.402 |
| 9 |
1 |
Ross Chastain |
Chevrolet |
Trackhouse Racing |
27.641 |
-0.349 |
130.241 |
| 10 |
18 |
Kyle Busch |
Toyota |
Joe Gibbs Racing |
27.645 |
-0.353 |
130.222 |
| 11 |
17 |
Brad Keselowski |
Ford |
RFK Racing |
27.688 |
-0.396 |
130.020 |
| 12 |
23 |
Bubba Wallace/Kurt Busch |
Toyota |
23XI Racing |
27.705 |
-0.413 |
129.940 |
| 13 |
21 |
Harrison Burton |
Ford |
Wood Brothers Racing |
27.713 |
-0.421 |
129.903 |
| 14 |
31 |
Justin Haley |
Chevrolet |
Kaulig Racing |
27.748 |
-0.456 |
129.739 |
| 15 |
42 |
Ty Dillon |
Chevrolet |
Petty GMS Motorsports |
27.781 |
-0.489 |
129.585 |
| 16 |
8 |
Austin Dillon |
Chevrolet |
Richard Childress Racing |
27.786 |
-0.494 |
129.562 |
| 17 |
47 |
Ricky Stenhouse Jr. |
Chevrolet |
JTG Daugherty Racing |
27.826 |
-0.534 |
129.375 |
| 18 |
27 |
Loris Hezemans |
Ford |
Team Hezeberg |
27.928 |
-0.636 |
128.903 |
