Austin Cindric fastest in Saturday's Darlington Cup practice

Cindric was fastest overall with an average speed of 167.698 mph while William Byron ended up second (166.495 mph) but topped all drivers in Group B.

Erik Jones was third-fastest (166.483 mph), Tyler Reddick fourth and Martin Truex Jr. completed the top-five.

Cindric, Byron and Reddick are among the 16 drivers competing in the Cup Series playoffs.

Among those drivers who completed at least 10 consecutive laps, Truex had the fastest average speed (163.055 mph), followed by Chastain and Cindric.

Group B

Byron topped the second 20-minute session with an average lap speed of 166.495 mph.

Reddick was second-fastest (166.359 mph) and Ricky Stenhouse Jr. was third (166.045 mph).

Ross Chastain was fourth and Denny Hamlin completed the top-five.

There were no on-track incidents during the session.

Group A

Cindric ended up fastest in the first 20-minute session with an average lap speed of 167.698 mph.

Jones was second-quick (166.483 mph) and Truex was third (166.056 mph).

Cole Custer was fourth and Joey Logano rounded out the top-five.

Logano completed the most laps (37) in the session, which had no on-track incidents.

Cla	#	Driver	Manufacturer	Laps	Time	Gap	Interval	Mph
1	2	Austin Cindric	Ford	24	29.324			167.699
2	24	William Byron	Chevrolet	25	29.536	0.212	0.212	166.495
3	43	Erik Jones	Chevrolet	20	29.538	0.214	0.002	166.484
4	8	Tyler Reddick	Chevrolet	25	29.560	0.236	0.022	166.360
5	19	Martin Truex Jr.	Toyota	24	29.614	0.290	0.054	166.057
6	47	Ricky Stenhouse Jr.	Chevrolet	20	29.616	0.292	0.002	166.045
7	41	Cole Custer	Ford	21	29.632	0.308	0.016	165.956
8	1	Ross Chastain	Chevrolet	25	29.676	0.352	0.044	165.710
9	11	Denny Hamlin	Toyota	31	29.711	0.387	0.035	165.514
10	22	Joey Logano	Ford	37	29.770	0.446	0.059	165.186
11	21	Harrison Burton	Ford	24	29.771	0.447	0.001	165.181
12	48	Alex Bowman	Chevrolet	22	29.787	0.463	0.016	165.092
13	10	Aric Almirola	Ford	28	29.828	0.504	0.041	164.865
14	9	Chase Elliott	Chevrolet	26	29.830	0.506	0.002	164.854
15	20	Christopher Bell	Toyota	29	29.837	0.513	0.007	164.815
16	99	Daniel Suarez	Chevrolet	26	29.839	0.515	0.002	164.804
17	34	Michael McDowell	Ford	23	29.871	0.547	0.032	164.628
18	6	Brad Keselowski	Ford	25	29.874	0.550	0.003	164.611
19	5	Kyle Larson	Chevrolet	24	29.890	0.566	0.016	164.523
20	42	Ty Dillon	Chevrolet	24	29.908	0.584	0.018	164.424
21	12	Ryan Blaney	Ford	36	29.913	0.589	0.005	164.397
22	45	Bubba Wallace	Toyota	34	29.936	0.612	0.023	164.270
23	18	Kyle Busch	Toyota	34	29.939	0.615	0.003	164.254
24	14	Chase Briscoe	Ford	17	29.956	0.632	0.017	164.161
25	16	Daniel Hemric	Chevrolet	20	29.996	0.672	0.040	163.942
26	31	Justin Haley	Chevrolet	21	30.099	0.775	0.103	163.381
27	4	Kevin Harvick	Ford	28	30.115	0.791	0.016	163.294
28	15	J.J. Yeley	Ford	15	30.119	0.795	0.004	163.272
29	7	Corey Lajoie	Chevrolet	23	30.140	0.816	0.021	163.159
30	3	Austin Dillon	Chevrolet	27	30.164	0.840	0.024	163.029
31	51	Cody Ware	Ford	19	30.178	0.854	0.014	162.953
32	17	Chris Buescher	Ford	28	30.186	0.862	0.008	162.910
33	23	Ty Gibbs	Toyota	25	30.229	0.905	0.043	162.678
34	77	Landon Cassill	Chevrolet	21	30.327	1.003	0.098	162.153
35	38	Todd Gilliland	Ford	23	30.513	1.189	0.186	161.164
36	78	B.J. McLeod	Ford	4	31.407	2.083	0.894	156.577