
Keselowski fastest in Happy Hour: #22-Brad Keselowski was quickest during the final practice session at Bristol with a speed of 123.714mph. He was followed by: #20-Joey Logano, #12-Justin Allgaier, #99-Trevor Bayne, #38-Kasey Kahne, #18-Kyle Busch, #27-Greg Biffle, #98-Paul Menard, #33-Kevin Harvick, and #88-Kelly Bires. #15-Annett spun during the session but did not hit anything.(3-19-2010)
| Pos | Car | Driver | Team | Time | Speed | # Laps |
| 1 | 22 | Brad Keselowski | Discount Tire Dodge | 15.510 | 123.714 | 61 |
| 2 | 20 | Joey Logano | GameStop/God of War III Toyota | 15.532 | 123.539 | 52 |
| 3 | 12 | Justin Allgaier | Verizon Wireless Dodge | 15.540 | 123.475 | 95 |
| 4 | 99 | Trevor Bayne | Diamond-Waltrip Racing Toyota | 15.614 | 122.890 | 50 |
| 5 | 38 | Kasey Kahne | Great Clips Toyota | 15.657 | 122.552 | 29 |
| 6 | 18 | Kyle Busch | Z-Line Designs Toyota | 15.665 | 122.490 | 32 |
| 7 | 27 | Greg Biffle | Red Man Moist Snuff Ford | 15.700 | 122.217 | 38 |
| 8 | 98 | Paul Menard | Tide/Menards Ford | 15.711 | 122.131 | 39 |
| 9 | 33 | Kevin Harvick | Rheem Chevy | 15.730 | 121.983 | 33 |
| 10 | 88 | Kelly Bires | Hellmann's Chevy | 15.731 | 121.976 | 35 |
| 11 | 11 | Brian Scott # | AccuDoc Toyota | 15.740 | 121.906 | 46 |
| 12 | 6 | Ricky Stenhouse Jr. # | Roush-Fenway Racing Ford | 15.761 | 121.744 | 34 |
| 13 | 32 | Reed Sorenson | Dollar General Stores Toyota | 15.765 | 121.713 | 52 |
| 14 | 7 | Scott Wimmer | JR Motorsports Chevy | 15.767 | 121.697 | 24 |
| 15 | 66 | Steve Wallace | 5-hour Energy Toyota | 15.817 | 121.313 | 37 |
| 16 | 91 | David Gilliland | D'Hondt Humphrey Motorsports Chevy | 15.818 | 121.305 | 12 |
| 17 | 02 | Andy Ponstein | CarLocate.com Chevy | 15.822 | 121.274 | 25 |
| 18 | 60 | Carl Edwards | Copart Ford | 15.834 | 121.182 | 47 |
| 19 | 42 | Parker Kligerman # | Smith Ironworks Dodge | 15.846 | 121.090 | 38 |
| 20 | 10 | Jason Leffler | ABF Toyota | 15.887 | 120.778 | 69 |
| 21 | 56 | Kevin Lepage | MacHill Motorsports Chevy | 15.925 | 120.490 | 16 |
| 22 | 87 | Joe Nemechek | AM FM Energy/ComputerWorks Chevy | 15.925 | 120.490 | 38 |
| 23 | 34 | Tony Raines | Long John Silver's Chevy | 15.927 | 120.475 | 30 |
| 24 | 28 | Kenny Wallace | Hot Rod Grills Chevy | 15.930 | 120.452 | 26 |
| 25 | 90 | Danny O'Quinn Jr. | D'Hondt Humphrey Motorsports Chevy | 15.935 | 120.414 | 5 |
| 26 | 62 | Brendan Gaughan | South Point Hotel & Casino Toyota | 15.948 | 120.316 | 58 |
| 27 | 40 | Mike Bliss | Key Motorsports Chevy | 15.957 | 120.248 | 24 |
| 28 | 35 | Jason Keller | Tristar Motorsports Chevy | 15.959 | 120.233 | 32 |
| 29 | 16 | Colin Braun # | Con-way Ford | 15.965 | 120.188 | 71 |
| 30 | 73 | Derrike Cope | Charter/Asset Protect Dodge | 15.977 | 120.098 | 19 |
| 31 | 96 | Dennis Setzer | K-Automotive Motorsports Dodge | 15.982 | 120.060 | 16 |
| 32 | 81 | Michael McDowell | Mobile-Shop Dodge | 15.988 | 120.015 | 24 |
| 33 | 70 | Shelby Howard | Fore Travel Chevy | 15.990 | 120.000 | 44 |
| 34 | 92 | Johnny Chapman | K-Automotive Motorsports Dodge | 15.992 | 119.985 | 16 |
| 35 | 01 | Mike Wallace | Monster Diesel Chevy | 16.010 | 119.850 | 24 |
| 36 | 52 | Chris Lawson | Jimmy Means Racing Ford | 16.056 | 119.507 | 37 |
| 37 | 09 | Scott Riggs | RAB Racing Ford | 16.060 | 119.477 | 21 |
| 38 | 1 | James Buescher # | Phoenix Racing Chevy | 16.062 | 119.462 | 42 |
| 39 | 89 | Morgan Shepherd | DealTaker.com Chevy | 16.074 | 119.373 | 8 |
| 40 | 15 | Michael Annett | Pilot Travel Centers Toyota | 16.082 | 119.314 | 32 |
| 41 | 05 | Willie Allen | 31-W Insulation Chevy | 16.088 | 119.269 | 38 |
| 42 | 43 | Scott Lagasse Jr. | Dr. Gadget Ford | 16.090 | 119.254 | 18 |
| 43 | 23 | Coleman Pressley | Jasper Engines & Transmissions Chevy | 16.099 | 119.188 | 52 |
| 44 | 49 | Mark Green | Jay Robinson Racing Chevy | 16.111 | 119.099 | 8 |
| 45 | 39 | Jason Bowles | Blow Bros. Ford | 16.131 | 118.951 | 50 |
| 46 | 21 | John Wes Townley | Zaxby's Chevy | 16.158 | 118.752 | 36 |
| 47 | 61 | Josh Wise | Specialty Racing Ford | 16.175 | 118.628 | 36 |
| 48 | 04 | Brad Teague | JD Motorsports Chevy | 16.251 | 118.073 | 26 |
| 49 | 26 | Brian Keselowski | K-Automotive Motorsports Dodge | 16.361 | 117.279 | 37 |
| 50 | 24 | Eric McClure | Hefty/Food City Ford | 16.376 | 117.171 | 88 |
O'Quinn fastest in opening practice: #90-Danny O'Quinn was the fastest in the opening practice session for the Scotts Turf Builder 300. His top speed was 121.836mph. #22-Brad Keselowski was second followed by #12-Justin Allgaier, #38-Kasey Kahne, #33-Kevin Harvick, #99-Trevor Bayne, #18-Kyle Busch, #27-Greg Biffle, #20-Joey Logano, and #88-Kelly Bires. There were several single car spins during the session. Involved were #09-Riggs and #20-Logano, who suffered no damage, #21-Townley, who backed into the wall and #92-Chapman who hit the front end of the car. Townley will have to go to a backup.(3-19-2010)
| Pos | Car | Driver | Team | Time | Speed | # Laps |
| 1 | 90 | Danny O'Quinn Jr. | D'Hondt Humphrey Motorsports Chevy | 15.749 | 121.836 | 10 |
| 2 | 22 | Brad Keselowski | Discount Tire Dodge | 15.853 | 121.037 | 50 |
| 3 | 12 | Justin Allgaier | Verizon Wireless Dodge | 15.884 | 120.801 | 68 |
| 4 | 38 | Kasey Kahne | Great Clips Toyota | 15.886 | 120.786 | 61 |
| 5 | 33 | Kevin Harvick | Rheem Chevy | 15.940 | 120.376 | 22 |
| 6 | 99 | Trevor Bayne | Diamond-Waltrip Racing Toyota | 15.947 | 120.324 | 33 |
| 7 | 18 | Kyle Busch | Z-Line Designs Toyota | 15.953 | 120.278 | 69 |
| 8 | 27 | Greg Biffle | Red Man Moist Snuff Ford | 15.972 | 120.135 | 52 |
| 9 | 20 | Joey Logano | GameStop/God of War III Toyota | 15.973 | 120.128 | 65 |
| 10 | 66 | Steve Wallace | 5-hour Energy Toyota | 15.989 | 120.008 | 72 |
| 11 | 88 | Kelly Bires | Hellmann's Chevy | 15.989 | 120.008 | 66 |
| 12 | 02 | Andy Ponstein | CarLocator.com Chevy | 15.992 | 119.985 | 19 |
| 13 | 7 | Scott Wimmer | JR Motorsports Chevy | 15.996 | 119.955 | 56 |
| 14 | 60 | Carl Edwards | Copart Ford | 15.996 | 119.955 | 65 |
| 15 | 11 | Brian Scott # | AccuDoc Toyota | 15.997 | 119.947 | 71 |
| 16 | 92 | Johnny Chapman | K-Automotive Motorsports Dodge | 16.043 | 119.604 | 9 |
| 17 | 40 | Mike Bliss | Key Motorsports Chevy | 16.071 | 119.395 | 51 |
| 18 | 42 | Parker Kligerman # | Smith Ironworks Dodge | 16.075 | 119.365 | 75 |
| 19 | 73 | Derrike Cope | Charter/Asset Protect Dodge | 16.110 | 119.106 | 28 |
| 20 | 98 | Paul Menard | Tide/Menards Ford | 16.112 | 119.091 | 66 |
| 21 | 62 | Brendan Gaughan | South Point Hotel & Casino Toyota | 16.115 | 119.069 | 59 |
| 22 | 16 | Colin Braun # | Con-way Ford | 16.128 | 118.973 | 78 |
| 23 | 15 | Michael Annett | Pilot Travel Centers Toyota | 16.138 | 118.899 | 63 |
| 24 | 70 | Shelby Howard | Fore Travel Chevy | 16.139 | 118.892 | 62 |
| 25 | 49 | Mark Green | Jay Robinson Racing Chevy | 16.139 | 118.892 | 11 |
| 26 | 21 | John Wes Townley | Zaxby's Chevy | 16.143 | 118.863 | 22 |
| 27 | 32 | Reed Sorenson | Dollar General Stores Toyota | 16.144 | 118.855 | 63 |
| 28 | 43 | Scott Lagasse Jr. | Dr. Gadget Ford | 16.144 | 118.855 | 50 |
| 29 | 56 | Kevin Lepage | MacHill Motorsports Chevy | 16.151 | 118.804 | 17 |
| 30 | 96 | Dennis Setzer | K-Automotive Motorsports Dodge | 16.152 | 118.796 | 22 |
| 31 | 1 | James Buescher # | Phoenix Racing Chevy | 16.155 | 118.774 | 66 |
| 32 | 09 | Scott Riggs | RAB Racing Ford | 16.158 | 118.752 | 53 |
| 33 | 6 | Ricky Stenhouse Jr. # | Roush-Fenway Racing Ford | 16.160 | 118.738 | 87 |
| 34 | 10 | Jason Leffler | ABF Toyota | 16.179 | 118.598 | 40 |
| 35 | 89 | Morgan Shepherd | DealTaker.com Chevy | 16.182 | 118.576 | 47 |
| 36 | 81 | Michael McDowell | Mobile-Shop Dodge | 16.184 | 118.562 | 47 |
| 37 | 34 | Tony Raines | Long John Silver's Chevy | 16.198 | 118.459 | 61 |
| 38 | 87 | Joe Nemechek | AM FM Energy/ComputerWorks Chevy | 16.199 | 118.452 | 46 |
| 39 | 35 | Jason Keller | Tristar Motorsports Chevy | 16.227 | 118.247 | 50 |
| 40 | 01 | Mike Wallace | Monster Diesel Chevy | 16.256 | 118.036 | 60 |
| 41 | 23 | Coleman Pressley | Jasper Engines & Transmissions Chevy | 16.276 | 117.891 | 80 |
| 42 | 05 | Willie Allen | 31-W Insulation Chevy | 16.277 | 117.884 | 56 |
| 43 | 04 | Brad Teague | JD Motorsports Chevy | 16.365 | 117.250 | 24 |
| 44 | 28 | Kenny Wallace | Hot Rod Grills Chevy | 16.389 | 117.079 | 33 |
| 45 | 39 | Jason Bowles | Blow Bros. Ford | 16.473 | 116.482 | 69 |
| 46 | 26 | Brian Keselowski | K-Automotive Motorsports Dodge | 16.499 | 116.298 | 50 |
| 47 | 61 | Josh Wise | Specialty Racing Ford | 16.521 | 116.143 | 35 |
| 48 | 24 | Eric McClure | Hefty/Food City Ford | 16.583 | 115.709 | 66 |
| 49 | 52 | Chris Lawson | Jimmy Means Racing Ford | 16.678 | 115.050 | 38 |
| 50 | 66 | Dave Blaney | PRISM Motorsports Toyota | 0.000 | 0.000 | 0 |
