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

Other days

one

One Day
camera

Camera Day
coffee

Coffee Day
artists

Artists Day
hiv awareness

Hiv Awareness Day
hoodie

Hoodie Day
tell a fairytale

Tell A Fairytale Day
martini

Martini Day
donate your hair

Donate Your Hair Day
boyfriend

Boyfriend Day