Federated Auto Parts 400
Richmond Raceway — September 11, 2021
Martin Truex, Jr.
Winner
400
Laps
39
Entries
8
Leaders
Martin Truex, Jr. won the 2021 Federated Auto Parts 400 at Richmond Raceway on September 11, 2021, leading 80 of 400 laps. Denny Hamlin finished second; Christopher Bell rounded out the podium. The race featured 8 different leaders.
Race Details
Date
Saturday, September 11, 2021
Track
Season
2021
Winner
Leaders
8 drivers
| Pos | Start | +/- | Driver |
|---|---|---|---|
| 1 | 7 | +6 | Martin Truex, Jr. |
| 2 | 6 | +4 | Denny Hamlin |
| 3 | 10 | +7 | Christopher Bell |
| 4 | 5 | +1 | Chase Elliott |
| 5 | 8 | +3 | Joey Logano |
| 6 | 1 | -5 | Kyle Larson |
| 7 | 24 | +17 | Ross Chastain |
| 8 | 11 | +3 | Kevin Harvick |
| 9 | 4 | -5 | Kyle Busch |
| 10 | 2 | -8 | Ryan Blaney |
| 11 | 14 | +3 | Austin Dillon |
| 12 | 25 | +13 | Alex Bowman |
| 13 | 3 | -10 | Brad Keselowski |
| 14 | 20 | +6 | Aric Almirola |
| 15 | 12 | -3 | Tyler Reddick |
| 16 | 19 | +3 | Chase Briscoe |
| 17 | 16 | -1 | Daniel Suarez |
| 18 | 15 | -3 | Matt DiBenedetto |
| 19 | 9 | -10 | William Byron |
| 20 | 31 | +11 | Ryan Newman |
| 21 | — | — | Daniel Suarez |
| 22 | — | — | Erik Jones |
| 23 | — | — | Ryan Newman |
| 24 | — | — | Michael McDowell |
| 25 | — | — | Chris Buescher |
| 26 | — | — | Justin Haley |
| 27 | — | — | B.J. McLeod |
| 28 | — | — | Cody Ware |
| 29 | — | — | Joey Gase |
| 30 | — | — | Josh Bilicki |
| 31 | — | — | Garrett Smithley |
| 32 | — | — | Corey LaJoie |
| 33 | — | — | David Starr |
| 34 | — | — | Anthony Alfredo |
| 35 | — | — | Chase Briscoe |
| 36 | — | — | Ricky Stenhouse Jr. |
| 37 | 13 | -24 | Kurt Busch |
| 38 | — | — | Timmy Hill |
| 39 | — | — | Bubba Wallace |
Stage Results
| Driver | Stage 1 | Stage 2 | Stage 3 | Stage Pts |
|---|---|---|---|---|
| William Byron | 2 | 1 | — | 19 |
| Kyle Larson | 1 | 3 | — | 18 |
| Chase Elliott | 3 | 2 | — | 17 |
| Kurt Busch | 4 | 4 | — | 14 |
| Kevin Harvick | 6 | 5 | — | 11 |
| Denny Hamlin | 5 | 8 | — | 9 |
| Alex Bowman | 7 | 7 | — | 8 |
| Tyler Reddick | 10 | 6 | — | 6 |
| Ross Chastain | 8 | 10 | — | 4 |
| Kyle Busch | 9 | 30 | — | 2 |
| Daniel Suarez | — | — | — | — |
| Erik Jones | — | — | — | — |
| Ryan Newman | — | — | — | — |
| Michael McDowell | — | — | — | — |
| Chris Buescher | — | — | — | — |
| Justin Haley | — | — | — | — |
| B.J. McLeod | — | — | — | — |
| Cody Ware | — | — | — | — |
| Joey Gase | — | — | — | — |
| Josh Bilicki | — | — | — | — |
| Garrett Smithley | — | — | — | — |
| Corey LaJoie | — | — | — | — |
| David Starr | — | — | — | — |
| Anthony Alfredo | — | — | — | — |
| Chase Briscoe | — | — | — | — |
| Ricky Stenhouse Jr. | — | — | — | — |
| Timmy Hill | — | — | — | — |
| Bubba Wallace | — | — | — | — |
Model Performance
How well did the NR-Rating model predict this race? Across 30 matched drivers, the model averaged 7.1 positions off — better than the season average of 8.5. Average
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 1 | Martin Truex, Jr. | 13.8 | 1 | +12.8 |
| 2 | Denny Hamlin | 6.8 | 2 | +4.8 |
| 3 | Christopher Bell | 8.6 | 3 | +5.6 |
| 4 | Chase Elliott | 8.3 | 4 | +4.3 |
| 5 | Joey Logano | 12.1 | 5 | +7.1 |
| 6 | Kyle Larson | 8.6 | 6 | +2.6 |
| 7 | Ross Chastain | 13.8 | 7 | +6.8 |
| 9 | Kyle Busch | 15.6 | 9 | +6.6 |
| 10 | Ryan Blaney | 6.8 | 10 | -3.2 |
| 11 | Austin Dillon | 17.0 | 11 | +6.0 |
| 12 | Alex Bowman | 14.0 | 12 | +2.0 |
| 13 | Brad Keselowski | 12.0 | 13 | -1.0 |
| 15 | Tyler Reddick | 9.9 | 15 | -5.1 |
| 16 | Chase Briscoe | 12.6 | 16 | -3.4 |
| 17 | Daniel Suarez | 15.6 | 17 | -1.4 |
| 19 | William Byron | 10.3 | 19 | -8.7 |
| 22 | Erik Jones | 17.7 | 22 | -4.3 |
| 24 | Michael McDowell | 15.0 | 24 | -9.0 |
| 25 | Chris Buescher | 10.3 | 25 | -14.7 |
| 26 | Justin Haley | 21.2 | 26 | -4.8 |
(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
- Martin Truex, Jr.: has 18 career starts at Richmond Raceway with a 11.2 avg finish (3 wins) — the model may have underweighted this track history.
- Denny Hamlin: was the model’s top pick based on 27 career starts at Richmond Raceway with a 9.8 avg finish (3 wins), finishing P2 on the day.
Explore More
Frequently Asked Questions
Who won the 2021 Federated Auto Parts 400?
Martin Truex, Jr. won the 2021 Federated Auto Parts 400 at Richmond Raceway driving for Joe Gibbs Racing.
Where was the 2021 Federated Auto Parts 400 held?
The 2021 Federated Auto Parts 400 was held at Richmond Raceway on September 11, 2021.