NASCAR Nationwide Series at Iowa
Iowa Speedway — August 3, 2013
Brad Keselowski
Winner
250
Laps
40
Entries
6
Leaders
Brad Keselowski won the 2013 NASCAR Nationwide Series at Iowa at Iowa Speedway on August 3, 2013, leading 35 of 250 laps. Sam Hornish Jr. finished second; Brian Vickers rounded out the podium. The race featured 6 different leaders.
Race Details
Date
Saturday, August 3, 2013
Track
Season
2013
Winner
Leaders
6 drivers
| Pos | Start | +/- | Driver |
|---|---|---|---|
| 1 | 5 | +4 | Brad Keselowski |
| 2 | 14 | +12 | Sam Hornish Jr. |
| 3 | 6 | +3 | Brian Vickers |
| 4 | 8 | +4 | Austin Dillon |
| 5 | 11 | +6 | Kyle Larson |
| 6 | 1 | -5 | Drew Herring |
| 7 | 3 | -4 | Alex Bowman |
| 8 | 10 | +2 | Elliott Sadler |
| 9 | 23 | +14 | Ryan Gifford |
| 10 | 7 | -3 | Trevor Bayne |
| 11 | 2 | -9 | Regan Smith |
| 12 | 17 | +5 | Michael Annett |
| 13 | 4 | -9 | Brian Scott |
| 14 | 13 | -1 | Nelson Piquet Jr. |
| 15 | 19 | +4 | Brad Sweet |
| 16 | 20 | +4 | Parker Kligerman |
| 17 | 9 | -8 | Justin Allgaier |
| 18 | 24 | +6 | Mike Bliss |
| 19 | 21 | +2 | Johanna Long |
| 20 | 16 | -4 | Cole Whitt |
| 21 | 22 | +1 | Jeremy Clements |
| 22 | 12 | -10 | Kenny Wallace |
| 23 | 26 | +3 | Eric McClure |
| 24 | 28 | +4 | Mike Wallace |
| 25 | 32 | +7 | Daryl Harr |
| 26 | 27 | +1 | Joey Gase |
| 27 | 15 | -12 | Travis Pastrana |
| 28 | 30 | +2 | Kyle Fowler |
| 29 | 39 | +10 | Richard Harriman |
| 30 | 36 | +6 | Travis Sauter |
| 31 | 18 | -13 | Reed Sorenson |
| 32 | 34 | +2 | Kevin Lepage |
| 33 | 25 | -8 | Brett Butler |
| 34 | 38 | +4 | Danny Efland |
| 35 | 37 | +2 | Morgan Shepherd |
| 36 | 40 | +4 | Carl Long |
| 37 | 35 | -2 | T.J. Bell |
| 38 | 31 | -7 | Blake Koch |
| 39 | 33 | -6 | Jason Bowles |
| 40 | 29 | -11 | Jeff Green |
Model Performance
How well did the NR-Rating model predict this race? Across 6 matched drivers, the model averaged 6.9 positions off — better than the season average of 8.5. Good
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 1 | Brad Keselowski | 11.2 | 1 | +10.2 |
| 4 | Austin Dillon | 17.1 | 4 | +13.1 |
| 5 | Kyle Larson | 12.7 | 5 | +7.7 |
| 7 | Alex Bowman | 13.5 | 7 | +6.5 |
| 17 | Justin Allgaier | 18.3 | 17 | +1.3 |
| 26 | Joey Gase | 23.4 | 26 | -2.6 |
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
- Brad Keselowski: has 7 career starts at Iowa Speedway with a 3.9 avg finish (3 wins) — the model correctly identified this strength.
- Austin Dillon: was the biggest surprise, finishing P4 vs predicted P17. Track history: 10 starts, 10.9 avg finish.
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Frequently Asked Questions
Who won the 2013 NASCAR Nationwide Series at Iowa?
Brad Keselowski won the 2013 NASCAR Nationwide Series at Iowa at Iowa Speedway.
Where was the 2013 NASCAR Nationwide Series at Iowa held?
The 2013 NASCAR Nationwide Series at Iowa was held at Iowa Speedway on August 3, 2013.