U.S. Cellular 250
Iowa Speedway — January 1, 2009
Brad Keselowski
Winner
250
Laps
43
Entries
5
Leaders
Brad Keselowski won the 2009 U.S. Cellular 250 at Iowa Speedway on January 1, 2009, leading 121 of 250 laps. Kyle Busch finished second; Jason Leffler rounded out the podium. The race featured 5 different leaders.
Race Details
Date
Thursday, January 1, 2009
Track
Season
2009
Winner
Leaders
5 drivers
Model Performance
How well did the NR-Rating model predict this race? Across 6 matched drivers, the model averaged 8.4 positions off — close to the season average of 8.5. Average
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 1 | Brad Keselowski | 11.2 | 1 | +10.2 |
| 2 | Kyle Busch | 17.0 | 2 | +15.0 |
| 8 | Michael McDowell | 17.0 | 8 | +9.0 |
| 15 | Justin Allgaier | 18.3 | 15 | +3.3 |
| 22 | Ricky Stenhouse Jr. | 19.9 | 22 | -2.1 |
| 28 | Austin Dillon | 17.1 | 28 | -10.9 |
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.
- Kyle Busch: was the biggest surprise, finishing P2 vs predicted P17. Track history: 2 starts, 11.0 avg finish.
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Frequently Asked Questions
Who won the 2009 U.S. Cellular 250?
Brad Keselowski won the 2009 U.S. Cellular 250 at Iowa Speedway driving for JR Motorsports.
Where was the 2009 U.S. Cellular 250 held?
The 2009 U.S. Cellular 250 was held at Iowa Speedway on January 1, 2009.