Since 1992. National Mustard Day is celebrated as a tribute to the King of Condiments. In addition to the judging of our annual Mustard Cook-Off, this fun-filled day for the whole family will include free Oscar Mayer hot dogs (while they last), the Oscar Mayer Weinermobile, Mustard Custard made by Culver’s Frozen Custard, a visit from the French’s Mustard Man, balloon sculptures by Madison’s own Balloonatic, mustard games to raise money for the Madison Youth Performing Arts Foundation, face painting, live music by the Red Hot Horn Dawgs, juggling and lots more.