Sundae Runday

Sundae Runday is an annual running event held in Seattle, Washington, at Seward Park along the shores of Lake Washington. The 5th edition, scheduled for August 10, 2025, features multiple race options including a 10K, 5K, 2-mile walk, and a Kids Dash. The course is traffic-free and stroller-friendly, welcoming runners and walkers of all ages, including dogs.

Unique to this event is the post-race celebration with ice cream sundaes for all participants and their furry friends, a costume contest, kids' games, and a banana split halfway point with water and whipped cream. The event supports the Let Me Run program, promoting character development in boys through running. Visit the organization's website for the most recent information.