David Ragan has the fastest practice speed during practice 2 of 194.898 mph for the 2017 NASCAR Cup Series Daytona 500 at Daytona International Speedway.
The practice speeds table shows the fastest lap during practices.
|Driver||From Lap||To Lap||Average Speed|
|Dale Earnhardt Jr||4||13||192.382|
Cars must run 10 consecutive laps on the track to be included in this table.