18th Lake Union 10K Run/Walk
18th Lake Union 10K Run/Walk is a running race on August 8, 2027 in Seattle, WA, with an entry fee of $83.
- Date
- August 8, 2027 (345 days to go)
- Price
- $83
- Sport
- Running
From the Organizer
18th Lake Union 10K Run/Walk
Sunday 8.8.27
$55 special ends noon Monday 8.17.26
(Registration reopens January, tickets $69)
*Finisher's Medals*
*Team Discounts & Prizes
*$25 Referral Refund
*Age-based Discounts (18&under + 70&over)
*Free Bib Transfers & Deferrals
*Shirts Optional $10
No Refunds
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
78°
Typical Low
58°
Chance of Rain
16%
Based on US Climate Normals data from Seattle Sand Pt Wsfo, 6 mi from the venue.
Host City
About Seattle, WA
Population
741,440
as of 2023
City Elevation
40 ft
Nearest Airport
SEA
Seattle–Tacoma International Airport · 10 mi
Time Zone
Pacific Time
From Endurance Grid
A big city race. Expect multiple lodging options and plenty to do the day before.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at 18th Lake Union 10K Run/Walk, put it on the calendar, and turn “someday” into a start date.
345
Days to train
- Race
- 18th Lake Union 10K Run/Walk
- Date
- August 8, 2027
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From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
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Frequently Asked Questions
What is the 18th Lake Union 10K Run/Walk?
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18th Lake Union 10K Run/Walk
Aug 8, 2027