Ricky Stenhouse Jr has the fastest practice speed during practice 1 of 186.384 mph for the 2018 NASCAR Cup Series Folds of Honor QuikTrip 500 at Atlanta Motor Speedway.
The practice speeds table shows the fastest lap during practices.
|Driver||From Lap||To Lap||Average Speed|
|Ricky Stenhouse Jr||6||15||174.826|
Cars must run 10 consecutive laps on the track to be included in this table.