Cook Out Southern 500
Darlington Raceway — September 3, 2023
Kyle Larson
Winner
499
Laps
36
Entries
7
Leaders
Kyle Larson won the 2023 Cook Out Southern 500 at Darlington Raceway on September 3, 2023, leading 55 of 499 laps. Tyler Reddick finished second; Chris Buescher rounded out the podium. The race featured 7 different leaders.
Race Details
Date
Sunday, September 3, 2023
Track
Season
2023
Winner
Leaders
7 drivers
| Pos | Start | +/- | Driver |
|---|---|---|---|
| 1 | 2 | +1 | Kyle Larson |
| 2 | 8 | +6 | Tyler Reddick |
| 3 | 5 | +2 | Chris Buescher |
| 4 | 3 | -1 | William Byron |
| 5 | 10 | +5 | Ross Chastain |
| 6 | 21 | +15 | Brad Keselowski |
| 7 | 7 | — | Bubba Wallace |
| 8 | 35 | +27 | Chase Elliott |
| 9 | 12 | +3 | Ryan Blaney |
| 10 | 23 | +13 | Erik Jones |
| 11 | 6 | -5 | Kyle Busch |
| 12 | 9 | -3 | Joey Logano |
| 13 | 22 | +9 | A.J. Allmendinger |
| 14 | 13 | -1 | Aric Almirola |
| 15 | 17 | +2 | Chase Briscoe |
| 16 | 30 | +14 | Ricky Stenhouse Jr. |
| 17 | 25 | +8 | Carson Hocevar |
| 18 | 4 | -14 | Martin Truex, Jr. |
| 19 | 24 | +5 | Kevin Harvick |
| 20 | 16 | -4 | Austin Dillon |
| 21 | — | — | Erik Jones |
| 22 | 28 | +6 | Corey LaJoie |
| 23 | 1 | -22 | Christopher Bell |
| 24 | — | — | Ty Dillon |
| 25 | 15 | -10 | Denny Hamlin |
| 26 | — | — | Tyler Reddick |
| 27 | — | — | Kyle Busch |
| 28 | — | — | A.J. Allmendinger |
| 29 | — | — | Ryan Newman |
| 30 | 26 | -4 | J.J. Yeley |
| 31 | — | — | Carson Hocevar |
| 32 | — | — | Alex Bowman |
| 33 | — | — | Brad Keselowski |
| 34 | — | — | Daniel Suarez |
| 35 | — | — | J.J. Yeley |
| 36 | — | — | B.J. McLeod |
* Laps led data may be incomplete for this race.
Stage Results
| Driver | Stage 1 | Stage 2 | Stage 3 | Stage Pts |
|---|---|---|---|---|
| Kyle Larson | 1 | 1 | — | 20 |
| Christopher Bell | 2 | 3 | — | 17 |
| Brad Keselowski | 3 | 5 | — | 14 |
| Denny Hamlin | 7 | 4 | — | 11 |
| Tyler Reddick | 4 | 9 | — | 9 |
| Ross Chastain | 23 | 2 | — | 9 |
| Ryan Blaney | 6 | 8 | — | 8 |
| Kyle Busch | 8 | 7 | — | 7 |
| William Byron | 10 | 6 | — | 6 |
| Martin Truex, Jr. | 5 | 20 | — | 6 |
| Kevin Harvick | 9 | 12 | — | 2 |
| Bubba Wallace | 11 | 10 | — | 1 |
| Erik Jones | — | — | — | — |
| Ty Dillon | — | — | — | — |
| Tyler Reddick | — | — | — | — |
| Kyle Busch | — | — | — | — |
| A.J. Allmendinger | — | — | — | — |
| Ryan Newman | — | — | — | — |
| Carson Hocevar | — | — | — | — |
| Alex Bowman | — | — | — | — |
| Brad Keselowski | — | — | — | — |
| Daniel Suarez | — | — | — | — |
| J.J. Yeley | — | — | — | — |
| B.J. McLeod | — | — | — | — |
Model Performance
How well did the NR-Rating model predict this race? Across 26 matched drivers, the model averaged 6.4 positions off — better than the season average of 8.5. Good
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 1 | Kyle Larson | 12.7 | 1 | +11.7 |
| 2 | Tyler Reddick | 6.2 | 2 | +4.2 |
| 3 | Chris Buescher | 9.2 | 3 | +6.2 |
| 4 | William Byron | 10.7 | 4 | +6.7 |
| 5 | Ross Chastain | 13.3 | 5 | +8.3 |
| 6 | Brad Keselowski | 11.2 | 6 | +5.2 |
| 7 | Bubba Wallace | 12.7 | 7 | +5.7 |
| 8 | Chase Elliott | 7.8 | 8 | -0.2 |
| 9 | Ryan Blaney | 9.2 | 9 | +0.2 |
| 10 | Erik Jones | 16.7 | 10 | +6.7 |
| 11 | Kyle Busch | 17.0 | 11 | +6.0 |
| 12 | Joey Logano | 14.7 | 12 | +2.7 |
| 13 | A.J. Allmendinger | 18.3 | 13 | +5.3 |
| 15 | Chase Briscoe | 11.9 | 15 | -3.1 |
| 16 | Ricky Stenhouse Jr. | 19.9 | 16 | +3.9 |
| 17 | Carson Hocevar | 13.1 | 17 | -3.9 |
| 18 | Martin Truex, Jr. | 15.4 | 18 | -2.6 |
| 20 | Austin Dillon | 17.1 | 20 | -2.9 |
| 22 | Corey LaJoie | 22.2 | 22 | +0.2 |
| 23 | Christopher Bell | 10.7 | 23 | -12.3 |
(showing top 20 finishers)
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
- Kyle Larson: has 27 career starts at Darlington Raceway with a 14.3 avg finish (2 wins) — the model may have underweighted this track history.
- Tyler Reddick: was the model’s top pick based on 21 career starts at Darlington Raceway with a 13.4 avg finish (1 win), finishing P2 on the day.
Explore More
Frequently Asked Questions
Who won the 2023 Cook Out Southern 500?
Kyle Larson won the 2023 Cook Out Southern 500 at Darlington Raceway driving for Hendrick Motorsports.
Where was the 2023 Cook Out Southern 500 held?
The 2023 Cook Out Southern 500 was held at Darlington Raceway on September 3, 2023.