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The 3rd Annual Shamrock Showdown Car Show is scheduled for March 14, 2026, in Hammond, Louisiana. The event will take place from 11 a.m. to 3 p.m. and includes a free public concert by Nashville recording artist Thomas Cain from 12 p.m. to 3 p.m. Car registration is $25 per vehicle, with all proceeds benefiting CrimeStoppers of Tangi and St. Helena Parishes. Trophies will be awarded after the live music. Food and drink specials will be available, and the event is kid-friendly. Lawn chairs and pop-up tents are welcome, but ice chests and coolers are not permitted. Sponsorship opportunities are offered at platinum, gold, and silver levels.
