The St. Valentine’s Day Massacre motorcycle rally is an annual event that is put on every February by the Alamo City Chapter of the Gypsy MC. Funds from the St. Valentine’s Day Massacre go to support local charities. 2023 Marks the 46th St. Valentines Day Massacre Motorcycle Rally presented by Alamo City Gypsy MC Presents. Live Music, Fun Run, Field Events, Contests, Vendors and Lots More! Advance $18 – $25 at the Gate. Free Tent Camping – $10 Self-Contained RVs/Trailers.