5895 Lake Washington Blvd S, Seattle WA
Sunday, August 16th, 2026
🍦 Sundae Runday 2026 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: Post-race ice cream treats for all, including your four-legged friends!
- Finisher's Item: It will be something fun and functional!
- Water and Whipped Cream: Available at the banana split halfway mark!
- Free Event Photos: Capture your amazing moments at the event.
👶 Kid's Activities
- Kid’s Tent: Featuring Games & Crafts.
- Kids Dash: Includes finisher items and ice cream.
- Costume Contest: Put on your Sundae best!
- Traffic Free Course: Through Seward Park and the shores of Lake Washington.
🐾 Furry Friends Welcome
- Stroller Friendly: The event is designed to accommodate strollers.
- Dog Registration: Check the box at registration to pre-register your pup!
- Guaranteed Doggy Treat: Get 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
👧 Kids Registration
- 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.
👥 Teams & Volunteering
- Team Discount: Teams of 6 or more get an automatic discount!
- Volunteer: Get a race shirt and a trip through the sundae toppings bar!
❤️ Beneficiary Information
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.
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