Your comments

really?

my  volculbary  saying guys - many guy

ok, fixed

added for test

bottom for progressive lap number list

and top  for reverse 

currently i dont have plans to add chat. in my view it is data source, not social site/forum
As i say - i dont have this data

what you mean?

top speed of lap or average speed on best lap?

1st data i dont have

2nd not so useful - just devide track lenght by best lap time. both a known and realtive to lap time

what you mean?

top speed of lap or average speed on best lap?

1st data i dont have

2nd not so useful - just devide track lenght by best lap time. both a known and realtive to lap time