Oops, it doesn't look like 'tournament run day' is a national day..

Other days

ruby

Ruby Day
artists

Artists Day
unicorn

Unicorn Day
lisp

Lisp Day
kiss a brunette

Kiss A Brunette Day
stud

Stud Day
fiancee

Fiancee Day
ponytail

Ponytail Day
prosecco

Prosecco Day
ride the wind

Ride The Wind Day