Serebii Update: The code for the Pokémon Scarlet & Violet Shiny Arcanine distribution to celebrate the North America International Championships has been revealed. Code: PAULEU1CW1N Runs until July 3rd 2023 Full details @ https://www.serebii.net/index2.shtml
Sweet, the code worked for me!
Level 50, shiny, holding safety goggles, grass tera type, in a cherish ball, has the Battle Champion Ribbon