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

Other days

promposal

Promposal Day
singles

Singles Day
ruby

Ruby Day
ask out your crush

Ask Out Your Crush Day
bounce

Bounce Day
carpenters

Carpenters Day
camera

Camera Day
latina equal pay

Latina Equal Pay Day
boy friend

Boy Friend Day
gum

Gum Day