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

Other days

boba

Boba Day
kiss a brunette

Kiss A Brunette Day
pumpkin

Pumpkin Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
chocolate milkshake

Chocolate Milkshake Day
pampering

Pampering Day
bow tie

Bow Tie Day
ask out your crush

Ask Out Your Crush Day
latina equal pay

Latina Equal Pay Day
me

Me Day