Brad Keselowski has the fastest practice speed during practice 1 of 138.421 mph for the 2014 NASCAR Cup Series Sylvania 300 at New Hampshire Motor Speedway.
The practice speeds table shows the fastest lap during practices.
|Driver||From Lap||To Lap||Average Speed|
|Dale Earnhardt Jr.||3||12||132.785|
|Martin Truex Jr.||1||10||132.099|
|Ricky Stenhouse Jr.||2||11||131.923|
Cars must run 10 consecutive laps on the track to be included in this table.