Watch as members of the Pony Express Association take the oath required of Pony Express riders and then exchange the mochila on its journey to carry the mail from St. Joseph, Missouri, to Sacramento, California.

Breakfast will be served in the alley alongside the Pony Express Barn & Museum (106 S. Eighth Street) with proceeds benefiting the museum.

The event starts at 8 a.m., with riders expected to pass through Marysville around 9:15 a.m.