From the Organizer
OTF Mercer Island Community 10K/5K/3K🍊🏃
Join us Friday, JULY 24th at 12:30 PM for ANOTHER(!) Fun Run!!!
With the addition of a 10K course this time, we will have 3 NEW routes!
Our hope this time around is to see all those folks who did their first ever 5K- to do their first 10K!
Not up for the full 5K or 10K? No problem! Our Power Walker/ Runner 3k Route will be back again!
This event is all about community and having fun outside the studio, so everyone is welcome — bring your friends, family, kids, and even your dogs!
Come run, walk, or jog with your favorite OTF Mercer Island coaches and crew. We can’t wait to see you there!
If You would be interested in helping Pace or lead a group for any distance, let us know! Email me at Studiomanager0588@orangetheoryfitness.com
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
79°
Typical Low
58°
Chance of Rain
11%
Based on US Climate Normals data from Seattle Boeing Fld, 5 mi from the venue.
Host City
About Mercer Island, WA
Population
25,282
as of 2023
City Elevation
179 ft
Nearest Airport
SEA
Seattle–Tacoma International Airport · 9 mi
Time Zone
Pacific Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Orangetheory Fitness MI 10K/5K/3K, put it on the calendar, and turn “someday” into a start date.
31
Days to train
- Race
- Orangetheory Fitness MI 10K/5K/3K
- Date
- July 24, 2026
Coming Up
More Running races near Mercer Island, WA
OCRA Rivkin Family SummeRun
5K · From $40 · 5900 Lake Washington Blvd S
4 miles away
Cougar Mountain Trail Run Series (August)
5K · Marathon · Other · From $40 · Sky Country Trailhead
4 miles away
Sundae Runday
5K · 10K · Other · From $10 · 5895 Lake Washington Blvd S
3 miles away
Run of Hope Seattle
2 Mile / 3K · 5K · From $30 · 5900 Lake Washington Boulevard S
4 miles away
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 the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the Orangetheory Fitness MI 10K/5K/3K?
- Orangetheory Fitness MI 10K/5K/3K is a running race held in Mercer Island, Washington on July 24, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the Orangetheory Fitness MI 10K/5K/3K?
- Friday, July 24, 2026 in Mercer Island, Washington at 2601 76th Ave SE. Check the event page for exact start times and wave schedules.
- How do I register for the Orangetheory Fitness MI 10K/5K/3K?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
Orangetheory Fitness MI 10K/5K/3K
Jul 24, 2026