Driver Loop Data Stats - Racing-Reference

2017 NASCAR Xfinity 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	17	25	9	1	37	17	5	184	179	107	58.2	6	55	44.4	1	0.8	124	83.6
2	2	6	7	2	16	6	0	21	21	20	95.2	0	162	99.4	0	0.0	163	105.5
3	18	4	14	3	22	14	-14	70	84	37	52.9	0	124	62.0	0	0.0	200	79.7
4	1	9	4	1	15	6	8	36	28	34	94.4	10	200	100.0	0	0.0	200	109.5
5	6	4	5	1	21	8	-8	51	59	33	64.7	0	140	93.3	1	0.7	150	96.2
6	5	10	7	1	19	6	5	34	29	29	85.3	5	199	99.5	17	8.5	200	109.3
7	19	18	12	7	19	14	16	31	15	18	58.1	4	192	64.0	0	0.0	300	78.5
8	9	10	30	8	27	10	-2	48	50	47	97.9	1	243	95.7	0	0.0	249	78.3
9	9	36	36	8	36	31	-1	68	69	37	54.4	0	13	11.5	0	0.0	32	44.8
10	13	11	14	7	15	11	-6	65	71	63	96.9	0	200	100.0	0	0.0	200	85.5
11	8	6	6	3	19	7	15	31	16	24	77.4	2	195	97.5	0	0.0	200	106.3
12	5	23	12	4	25	10	-35	35	70	11	31.4	2	85	85.0	0	0.0	100	92.4
13	4	10	2	1	14	5	11	25	14	24	96.0	9	125	100.0	8	6.4	125	117.8
14	6	1	1	1	10	3	9	23	14	19	82.6	29	250	100.0	78	31.2	250	131.2
15	3	14	1	1	40	12	58	159	101	58	36.5	2	67	64.4	29	27.9	104	116.9
16	5	4	7	3	11	6	0	21	21	20	95.2	1	200	100.0	0	0.0	200	103.0
17	7	5	3	2	16	5	7	25	18	22	88.0	11	200	100.0	0	0.0	200	111.8
18	3	6	1	1	28	4	-13	33	46	31	93.9	9	96	96.0	26	26.0	100	135.8
19	17	11	9	6	19	11	2	38	36	30	79.0	1	204	80.3	0	0.0	254	86.3
20	15	19	10	2	36	13	-15	44	59	24	54.6	0	67	81.7	0	0.0	82	90.2
21	23	18	25	8	26	16	-15	25	40	9	36.0	0	35	46.7	0	0.0	67	77.5
22	19	12	22	4	22	13	-5	63	68	30	47.6	0	213	71.0	0	0.0	297	74.3
23	6	8	6	4	26	11	-5	63	68	24	38.1	0	36	80.0	0	0.0	45	93.5
24	6	8	5	4	28	9	13	32	19	21	65.6	0	138	93.2	0	0.0	148	100.0
25	6	8	7	5	11	7	-6	20	26	20	100.0	0	250	100.0	0	0.0	250	97.8
26	8	35	33	7	36	30	-25	6	31	3	50.0	0	27	13.5	0	0.0	166	65.3
27	12	14	18	4	27	14	-4	44	48	24	54.6	28	117	58.5	0	0.0	198	91.7
28	1	2	3	1	12	2	1	2	1	2	100.0	42	200	100.0	62	31.0	200	127.0
29	6	17	16	1	24	9	5	50	45	36	72.0	3	182	91.0	6	3.0	200	87.5
30	6	8	4	4	30	9	27	51	24	29	56.9	2	182	91.0	0	0.0	200	102.0
31	9	3	9	1	13	6	-8	23	31	19	82.6	7	200	100.0	17	8.5	200	102.8
32	2	6	1	1	15	5	8	14	6	14	100.0	26	200	100.0	17	8.5	200	126.5
33	6	3	3	3	14	6	0	40	40	34	85.0	3	200	100.0	0	0.0	200	110.4

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.