NASCAR XFINITY SERIES AT IOWA

Iowa Speedway — May 17, 2015

Chris Buescher

Winner

259

Laps

Entries

Leaders

Chris Buescher won the 2015 NASCAR XFINITY SERIES AT IOWA at Iowa Speedway on May 17, 2015, leading 94 of 259 laps. Chase Elliott finished second; Erik Jones rounded out the podium. The race featured 5 different leaders.

Race Details

Date

Sunday, May 17, 2015

Track

Iowa Speedway

Season

2015

Winner

Chris Buescher

Leaders

5 drivers

Sort by

Pos	Start	+/-	Driver	Manufacturer	Laps	Interval	Status	Led	Pts
1	4	+3	Chris Buescher		259	—	Running	94	47
2	6	+4	Chase Elliott		259	—	Running	114	44
3	1	-2	Erik Jones		259	—	Running	—	0
4	3	-1	Brian Scott		259	—	Running	—	40
5	13	+8	Ryan Blaney		259	—	Running	1	40
6	8	+2	Bubba Wallace		259	—	Running	—	38
7	14	+7	Ben Rhodes		259	—	Running	—	37
8	5	-3	Brandon Jones		259	—	Running	—	0
9	10	+1	Elliott Sadler		259	—	Running	—	35
10	11	+1	Brendan Gaughan		259	—	Running	—	34
11	7	-4	Regan Smith		259	—	Running	—	33
12	16	+4	Ryan Reed		259	—	Running	2	33
13	18	+5	John Wes Townley		259	—	Running	—	0
14	9	-5	Ty Dillon		258	—	Running	—	30
15	19	+4	Jeremy Clements		258	—	Running	—	29
16	20	+4	David Starr		258	—	Running	—	28
17	21	+4	Ryan Sieg		257	—	Running	—	27
18	2	-16	Daniel Suarez		257	—	Running	48	27
19	24	+5	Cale Conley		257	—	Running	—	25
20	25	+5	Landon Cassill		257	—	Running	—	24
21	15	-6	Dakoda Armstrong		257	—	Running	—	23
22	23	+1	Blake Koch		256	—	Running	—	22
23	40	+17	Kenny Wallace		256	—	Running	—	21
24	29	+5	Todd Bodine		255	—	Running	—	20
25	30	+5	Jamie Dick		255	—	Running	—	19
26	22	-4	Boris Said		254	—	Running	—	18
27	31	+4	Joey Gase		253	—	Running	—	17
28	33	+5	Peyton Sellers		252	—	Running	—	16
29	36	+7	Derrike Cope		247	—	Running	—	15
30	37	+7	Mike Harmon	Dodge	247	—	Running	—	14
31	39	+8	John Jackson	Dodge	247	—	Running	—	13
32	17	-15	Ross Chastain		215	—	DNF	—	12
33	27	-6	Eric McClure		160	—	DNF	—	11
34	26	-8	J.J. Yeley		151	—	DNF	—	10
35	32	-3	Ryan Ellis		99	—	DNF	—	0
36	35	-1	B.J. McLeod		68	—	DNF	—	0
37	28	-9	Harrison Rhodes		42	—	DNF	—	7
38	12	-26	Brennan Poole		39	—	DNF	—	6
39	34	-5	Charles Lewandoski		4	—	DNF	—	5
40	38	-2	Carl Long		0	—	DNS	—	4

Model Performance

How well did the NR-Rating model predict this race? Across 13 matched drivers, the model averaged 8.4 positions off — close to the season average of 8.5. Average

Pos	Driver	Predicted	Actual	Delta	Conf.
1	Chris Buescher	9.2	1	+8.2	High Confidence
2	Chase Elliott	7.8	2	+5.8	High Confidence
3	Erik Jones	16.7	3	+13.7	Coinflip
5	Ryan Blaney	9.2	5	+4.2	High Confidence
6	Bubba Wallace	12.7	6	+6.7	Coinflip
14	Ty Dillon	23.4	14	+9.4	High Confidence
16	David Starr	20.9	16	+4.9	Moderate
18	Daniel Suarez	14.0	18	-4.0	Coinflip
27	Joey Gase	23.4	27	-3.6	High Confidence
32	Ross Chastain	13.3	32	-18.7	Coinflip
34	J.J. Yeley	28.8	34	-5.2	High Confidence
36	B.J. McLeod	24.8	36	-11.2	High Confidence
38	Brennan Poole	24.7	38	-13.3	Moderate

Predicted finish from NR-Rating model. Delta = predicted − actual (positive = driver beat prediction). Confidence: High Confidence = low variance (stdDev ≤ 9), Moderate = medium variance, Coinflip = high variance.

Historical Context

Chris Buescher: has 6 career starts at Iowa Speedway with a 13.5 avg finish (1 win) — the model may have underweighted this track history.
Chase Elliott: was the model’s top pick based on 8 career starts at Iowa Speedway with a 9.5 avg finish, finishing P2 on the day.
Erik Jones: was the biggest surprise, finishing P3 vs predicted P17. Track history: 9 starts, 7.4 avg finish.

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Frequently Asked Questions

Who won the 2015 NASCAR XFINITY SERIES AT IOWA?

Chris Buescher won the 2015 NASCAR XFINITY SERIES AT IOWA at Iowa Speedway.

Where was the 2015 NASCAR XFINITY SERIES AT IOWA held?

The 2015 NASCAR XFINITY SERIES AT IOWA was held at Iowa Speedway on May 17, 2015.