Sundae Runday
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Sundae Runday : Seattle, WA
Sundae Runday is the sixth annual community running and walking event held on August 16, 2026 in Seattle at Seward Park and the shores of Lake Washington. The event features a traffic free course through Seward Park and along the lake and is stroller friendly. Dogs are welcome; participants may pre-register their pets to receive a dog treat at the sundae line.
Distances offered:
- 10K
- 5K
- 2 mile (listed as 2.3 miles)
- Kids Dash (400 yards)
Post-event offerings include ice cream for participants and dogs, a banana split station with water and whipped cream at the halfway point, free event photos, a Kid’s Tent with games and crafts, a Kids Dash with finisher items and ice cream, and a costume contest. Finishers receive a functional finisher item. Teams of six or more receive an automatic discount where the first five participants receive a refund once the sixth person registers. Volunteers receive a race shirt and access to the sundae toppings bar.
Registration fees vary by date with escalating prices and a day-of-event rate. Pricing examples include 10K fees from $35 up to $60 and 5K and 2 Mile fees from $30 up to $55. The event benefits Let Me Run, a program focused on character development for boys through running. Visit the organization's website for the most recent information.