When
Sunday, August 16th, 2026
Where
5895 Lake Washington Blvd S, Seattle WA
Distances
10K · 5K
About this race
Race Overview
Join us for the 6th annual Sundae Runday, where we combine our love of running with a love for ice cream! Finish your 10K, 5K run, or 2 mile (plus a little bit) walk with a delicious ice cream sundae with all the toppings!
Race Day Schedule
- 8:30AM: Registration and Packet Pickup Opens
- 9:00AM: Costume Contest
- 9:15AM: Kids Dash
- 9:30AM: 10K Start
- 9:45AM: 5K and 2 Mile start
- 10:00AM: Ice cream time!
- 10:30AM: Awards
Sundae FUNday Festivities
- Post-race treats: Ice cream treats for all, including your four-legged friends!
- Finisher's item: It will be something fun, and functional!
- Midway refreshments: Water and whipped cream at the banana split halfway mark!
- Event highlights: Chance to beat the ice cream!
- Photos: Free Event Photos
- Kids activities: Kid’s Tent with Games & Crafts
- Kids Dash: finisher items and ice cream
- Costume Contest: put on your Sundae best!
- Course details: Traffic free course through Seward Park and the shores of Lake Washington.
- Accessibility: Stroller friendly event
- Pet friendly: Dogs are welcome! Check the box at registration to pre-register your pup and guarantee a doggy treat in the Sundae line!
Registration Info
10K
- January 1 - 9: $35
- Jan 10 - May 16: $45
- May 17 - July 16: $50
- July 17 - August 15: $55
- Day of Event Registration: $60
5K & 2 Mile Walk
- January 1 - 9: $30
- Jan 10 - May 16: $40
- May 17 - July 16: $45
- July 17 - August 15: $50
- Day of Event Registration: $55
Additional Information
- Kids 15 and under: $25 (includes shirt and ice cream)
- Kids dash: $10 (includes ice cream and finisher's ribbon)
- Shirt size: Register by July 15 to guarantee your shirt size.
- Team discounts: Teams of 6 or more get an automatic discount—once the 6th person signs, the first 5 participants receive a refund!
Volunteer Opportunities
Volunteer with us and get a race shirt, and a trip through the sundae toppings bar without all that pesky running!
Beneficiary
Benefiting Let Me Run - Let Me Run is building a new generation of men by teaching boys to be their best selves through a character development program powered by running.
Event Location
5895 Lake Washington Blvd S, Seattle, WA
Sign Up
For more information and registration, visit: Sundae Runday Registration.
Course map
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