Driver Loop Data Stats - Racing-Reference

2023 NASCAR Cup Series Loop Data stats for William Byron

Click on the Race to see results for that race.

Race	Start	Mid Race	Finish	High Pos.	Low Pos.	Avg. Pos.	Pass Diff.	Green Flag Passes	Green Flag Times Passed	Quality Passes	Pct. Quality Passes	Fastest Lap	Top 15 Laps	Pct. Top 15 Laps	Laps Led	Pct. Laps Led	Total Laps	DRIVER RATING
1	21	15	34	1	31	15	9	380	371	173	45.5	6	110	54.5	0	0.0	202	74.8
2	32	4	25	1	32	12	-4	98	102	56	57.1	2	143	72.2	0	0.0	198	74.4
3	2	1	1	1	11	2	4	50	46	38	76.0	59	271	100.0	176	64.9	271	148.2
4	3	2	1	1	15	3	2	34	32	14	41.2	47	317	100.0	64	20.2	317	131.4
5	11	8	32	1	28	15	10	111	101	97	87.4	4	181	94.3	0	0.0	192	75.9
6	1	1	5	1	15	3	0	32	32	19	59.4	6	75	100.0	28	37.3	75	128.8
7	3	1	24	1	24	3	-5	71	76	44	62.0	51	379	94.8	117	29.3	400	117.6
8	10	12	13	5	18	12	-20	119	139	102	85.7	0	232	92.8	0	0.0	250	87.5
9	8	18	23	4	24	16	-20	76	96	22	28.9	8	157	39.3	0	0.0	400	71.2
10	18	22	7	1	34	19	3	488	485	134	27.5	2	59	30.1	1	0.5	196	71.7
11	8	3	4	1	16	3	-1	33	34	27	81.8	57	399	99.8	193	48.3	400	126.8
12	1	32	3	1	36	18	-21	76	97	35	46.1	17	135	50.6	10	3.7	267	108.1
13	4	3	1	1	17	4	1	42	41	29	69.0	22	292	99.0	7	2.4	295	126.2
14	1	8	2	1	18	4	-10	68	78	57	83.8	14	396	99.0	91	22.8	400	121.8
15	7	4	8	1	22	7	8	49	41	43	87.8	18	233	95.9	30	12.3	243	108.9
16	26	4	14	3	29	14	-2	91	93	15	16.5	1	73	66.4	0	0.0	110	77.7
17	5	4	6	1	19	5	-2	76	78	44	57.9	11	296	98.7	5	1.7	300	108.6
18	22	19	13	4	32	18	1	33	32	5	15.2	0	33	42.3	0	0.0	78	74.2
19	18	36	1	1	36	16	29	144	115	56	38.9	6	95	51.4	19	10.3	185	97.6
20	7	12	24	1	29	14	-14	109	123	28	25.7	9	187	62.1	9	3.0	301	79.6
21	1	17	14	1	26	6	-25	67	92	33	49.3	17	140	87.5	60	37.5	160	124.1
22	6	17	21	4	27	16	-12	100	112	17	17.0	5	137	34.3	0	0.0	399	72.6
23	7	35	35	7	19	29	0	29	29	23	79.3	1	45	97.8	0	0.0	46	52.2
24	39	19	14	14	39	23	22	79	57	4	5.1	0	12	14.6	0	0.0	82	72.8
25	2	1	1	1	4	1	1	14	13	4	28.6	22	90	100.0	66	73.3	90	149.3
26	27	16	8	1	32	19	13	316	303	74	23.4	5	52	31.9	1	0.6	163	65.0
27	23	2	4	1	33	9	8	94	86	27	28.7	22	256	69.8	0	0.0	367	101.9
28	9	16	15	3	31	14	10	121	111	50	41.3	1	127	47.4	0	0.0	268	80.3
29	3	8	9	2	13	7	2	34	32	34	100.0	3	500	100.0	0	0.0	500	99.1
30	18	19	1	1	30	13	28	87	59	33	37.9	6	143	53.6	6	2.2	267	97.9
31	8	33	3	1	33	8	12	511	499	355	69.5	3	164	87.2	12	6.4	188	104.0
32	14	4	2	2	26	8	-5	66	71	22	33.3	3	103	94.5	0	0.0	109	108.2
33	3	3	7	1	15	6	1	65	64	60	92.3	3	267	100.0	1	0.4	267	107.8
34	7	4	4	1	20	4	0	77	77	59	76.6	19	265	99.3	25	9.4	267	120.5
35	16	20	13	5	25	17	11	60	49	16	26.7	2	176	35.3	0	0.0	499	66.4
36	1	5	4	1	24	3	-4	49	53	25	51.0	25	310	99.4	95	30.4	312	122.0

Green Flag Passes: Green flag passes for position.

Pass Diff.: Difference between Green Flag Passes and Green Flag Times Passed.

Quality Passes: Number of times passing a car running in the Top 15 while under a green flag.

Fastest Lap: How many times a driver had the fastest lap of all drivers.

Driver Rating: A formula combining the following categories: Win, Finish, Top-15 Finish, Average Running Position while on Lead Lap, Average Speed Under Green, Fastest Lap, Led Most Laps, Lead-Lap Finish. Maximum: 150 points per race.