NASCAR Cup Series Fontana practice results

Five cars either crashed or spun during the 30-minute practice session Saturday at Auto Club Speedway.

As NASCAR teams try to get a handle on the new Next Gen car race car, several found the limit at the two-mile track just before qualifying.

Kevin Harvick, Chris Buescher, Bubba Wallace and Christopher Bell all spun in separate incidents. Additionally, Ross Chastain crashed heavily.

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Wrecks and spins mar NASCAR Cup series practice at Fontana

Denny Hamlin was quickest among all drivers at 173.415mph. Full results:

Cla	#	Driver	Manufacturer	Laps	Time	Gap	Interval	Mph
1	11	Denny Hamlin	Toyota	17	41.519			173.415
2	18	Kyle Busch	Toyota	15	41.580	0.061	0.061	173.160
3	8	Tyler Reddick	Chevrolet	13	41.746	0.227	0.166	172.472
4	22	Joey Logano	Ford	16	41.753	0.234	0.007	172.443
5	48	Alex Bowman	Chevrolet	12	41.811	0.292	0.058	172.203
6	24	William Byron	Chevrolet	15	41.817	0.298	0.006	172.179
7	23	Bubba Wallace	Toyota	3	41.824	0.305	0.007	172.150
8	6	Brad Keselowski	Ford	14	41.847	0.328	0.023	172.055
9	20	Christopher Bell	Toyota	17	41.866	0.347	0.019	171.977
10	43	Erik Jones	Chevrolet	12	41.935	0.416	0.069	171.694
11	5	Kyle Larson	Chevrolet	12	41.994	0.475	0.059	171.453
12	47	Ricky Stenhouse Jr.	Chevrolet	14	42.030	0.511	0.036	171.306
13	16	Daniel Hemric	Chevrolet	14	42.063	0.544	0.033	171.172
14	45	Kurt Busch	Toyota	12	42.076	0.557	0.013	171.119
15	34	Michael McDowell	Ford	12	42.119	0.600	0.043	170.944
16	19	Martin Truex Jr.	Toyota	15	42.178	0.659	0.059	170.705
17	12	Ryan Blaney	Ford	16	42.211	0.692	0.033	170.572
18	31	Justin Haley	Chevrolet	10	42.300	0.781	0.089	170.213
19	7	Corey Lajoie	Chevrolet	13	42.308	0.789	0.008	170.181
20	41	Cole Custer	Ford	17	42.373	0.854	0.065	169.920
21	9	Chase Elliott	Chevrolet	16	42.385	0.866	0.012	169.871
22	2	Austin Cindric	Ford	10	42.679	1.160	0.294	168.701
23	21	Harrison Burton	Ford	18	42.784	1.265	0.105	168.287
24	3	Austin Dillon	Chevrolet	11	42.790	1.271	0.006	168.264
25	17	Chris Buescher	Ford	11	42.864	1.345	0.074	167.973
26	14	Chase Briscoe	Ford	12	42.919	1.400	0.055	167.758
27	10	Aric Almirola	Ford	13	42.921	1.402	0.002	167.750
28	51	Cody Ware	Ford	9	43.284	1.765	0.363	166.343
29	99	Daniel Suarez	Chevrolet	13	43.345	1.826	0.061	166.109
30	77	Josh Bilicki	Chevrolet	13	43.423	1.904	0.078	165.811
31	42	Ty Dillon	Chevrolet	13	43.432	1.913	0.009	165.776
32	38	Todd Gilliland	Ford	16	43.912	2.393	0.480	163.964
33	15	Garrett Smithley	Ford	8	44.280	2.761	0.368	162.602
34	78	B.J. McLeod	Ford	1	44.683	3.164	0.403	161.135
35	1	Ross Chastain	Chevrolet	1	8'31.128	7'49.609	7'46.445	14.086
36	4	Kevin Harvick	Ford