12 Mar LA Marathon – Sunday March 17th! Posted at 11:59h in Customer Connection, Vendor Connection by MelroseTradingPost 0 Likes Share This Sunday, March 17th is the LA Marathon. Various streets will be closed throughout Los Angeles in the morning, so be sure to check their closure list to see if you will be affected! Tags: Customer Connection flea market la Los angeles melrose trading post sunday Vendor Conneciton