5895 Lake Washington Blvd S, Seattle WA

Sunday, August 10th, 2025

🍦 Sundae Runday Overview

Join us for the 5th annual Sundae Runday, where we combine our love of running with a love for ice cream! Finish your 10K, 5K run, or 2 mile walk with a delicious ice cream sundae with all the toppings!

We are moving back to our OG spot, Seward Park this year!

🗓️ Race Day Schedule

  • 8:30AM: Registration and Packet Pickup Opens
  • 9:00AM: Kids Dash
  • 9:15AM: Costume Contest
  • 9:30AM: 10K Start
  • 9:45AM: 5K and 2 Mile start
  • 10:00AM: Ice cream time!
  • 10:30AM: Awards

🎉 Sundae FUNday Festivities

  • Post-Race: Ice cream treats for all, including your four-legged friends!
  • Finisher's Item: Something fun and functional!
  • Hydration: Water and whipped cream at the banana split halfway mark!
  • Free Event Photos: Capture your Sundae memories!
  • Kid's Tent: Games and Crafts for the youngsters!
  • Costume Contest: Put on your Sundae best!
  • Traffic-Free Course: Through Seward Park and the shores of Lake Washington.
  • Dog Friendly: Dogs are welcome, ensure to register your pup!

💰 Registration Info

10K

January 1 - 31: $35
Feb 1 - April 30: $45
May 1 - June 30: $50
July 1 - August 9: $55
Day of Event Registration - $60

5K & 2 Mile Walk

January 1 - 31: $30
Feb 1 - April 30: $40
May 1 - June 30: $45
July 1 - August 9: $50
Day of Event Registration - $55

  • Kids 15 and under: $25 (includes shirt and ice cream)
  • Kids Dash: $10 (includes ice cream and finisher's ribbon)
  • Registration Deadline: Register by July 15 to guarantee your shirt size.

👥 Teams & Volunteers

Teams of 6 or more get an automatic discount. Once the 6th person signs, the first 5 participants get a refund!

Volunteer with us and get a race shirt, and a trip through the sundae toppings bar without all that pesky running! Sign up here.

🤝 Benefitting 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

🌐 More Information

For more details, visit the official race page: Sundae Runday Registration.

Course Map

Coaching

Race Strong, Smart & Healthy with Online or In-Person Coaching!

Race Strong, Smart & Healthy with Online or In-Person Coaching!

Suggested Races

2025 SU Runners Club Mother's Day 5K logo

2025 SU Runners Club Mother's Day 5K

Redmond, WA

Sunday, May 11th, 2025

5K
View details for race 2025 SU Runners Club Mother's Day 5K
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (31) logo

Ninja 1M, 5K, 10K, 15K, & Half Marathon at Lang...

Everett, WA

Saturday, August 2nd, 2025

10K
15K
1 Mile
View details for race Ninja 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (31)
Galloping Gertie logo

Galloping Gertie

Gig Harbor, WA

Saturday, August 2nd, 2025

View details for race Galloping Gertie
Guardian Angel Color Run logo

Guardian Angel Color Run

Gig Harbor, WA

Saturday, May 17th, 2025

5K
View details for race Guardian Angel Color Run
PAWS FOR A CAUSE logo

PAWS FOR A CAUSE

Seattle, WA

Saturday, April 26th, 2025

View details for race PAWS FOR A CAUSE
Carnation Turkey Trot logo

Carnation Turkey Trot

Carnation, WA

Saturday, November 22nd, 2025

5K
View details for race Carnation Turkey Trot
Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (46) logo

Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon a...

Everett, WA

Saturday, November 15th, 2025

10K
15K
1 Mile
View details for race Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (46)
Alaska Airlines Dawg Dash 5K/10K logo

Alaska Airlines Dawg Dash 5K/10K

Seattle, WA

Sunday, October 5th, 2025

10K
5K
View details for race Alaska Airlines Dawg Dash 5K/10K
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (49) 80 logo

Medal Madness 1M, 5K, 10K, 15K, & Half Marathon...

Everett, WA

Saturday, December 6th, 2025

10K
15K
1 Mile
View details for race Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (49) 80
Pirate 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (16) logo

Pirate 1M, 5K, 10K, 15K, & Half Marathon at Low...

Everett, WA

Saturday, April 19th, 2025

10K
15K
1 Mile
View details for race Pirate 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (16)
2025 SU Runners Mother's Day 5K logo

2025 SU Runners Mother's Day 5K

Redmond, WA

Sunday, May 11th, 2025

5K
View details for race 2025 SU Runners Mother's Day 5K
Run of Hope Seattle logo

Run of Hope Seattle

Seattle, WA

Sunday, September 21st, 2025

5K
View details for race Run of Hope Seattle
Hotfoot 5K Trail Run logo

Hotfoot 5K Trail Run

Port Orchard, WA

Saturday, June 21st, 2025

1 Mile
5K
View details for race Hotfoot 5K Trail Run
Paul Ruston Memorial Run logo

Paul Ruston Memorial Run

Auburn, WA

Saturday, August 9th, 2025

5K
View details for race Paul Ruston Memorial Run
UW Bothell Husky 2025 logo

UW Bothell Husky 2025

Bothell, WA

Saturday, May 10th, 2025

5K
View details for race UW Bothell Husky 2025
Trick or Treat 5k logo

Trick or Treat 5k

Seattle, WA

Saturday, October 25th, 2025

5K
View details for race Trick or Treat 5k
FinFit Life 5K Fitness Challenge - Seattle, WA logo

FinFit Life 5K Fitness Challenge - Seattle, WA

Seattle, WA

Saturday, April 26th, 2025

5K
View details for race FinFit Life 5K Fitness Challenge - Seattle, WA
4 on the 4th logo

4 on the 4th

Woodinville, WA

Friday, July 4th, 2025

5K
View details for race 4 on the 4th
Squak Mountain Trail Run logo

Squak Mountain Trail Run

Issaquah, WA

Saturday, April 19th, 2025

12K
Half
Ultra
View details for race Squak Mountain Trail Run
Luau 1M, 5K, 10K, 15K,  & Half Marathon at Langus Riverfront Park, Everett, WA (18) 150 logo

Luau 1M, 5K, 10K, 15K, & Half Marathon at Lang...

Everett, WA

Saturday, May 3rd, 2025

10K
15K
1 Mile
View details for race Luau 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (18) 150

© 2025 Find The Run. All rights reserved.