Redmond Harvest Half Marathon
About this race
Harvest the fruits of your training at the Redmond Harvest Half Marathon, to be held Labor Day Monday (September 7, 2026)! Starting from Redmond’s Marymoor Park, the Harvest Half is a fast, flat out-and-back half-marathon that goes west out of Marymoor Park and north on the Sammamish River Trail before returning to the start. Whether this is your first half-marathon, or you are experienced with this distance, this 13.1-mile course will give you an opportunity for your running goals to come to fruition. Come support a local race put on by Lake Sammamish Run Club and Seattle United Runners and finish your summer with a bang.
Pick your distance
Running
Half Marathon
For individuals competing in the half marathon. If you are part of an organized club and want to participate in the "NW Club Championship" event, select a club team during registration. Your participation can only help the team.
Typical race-day weather
Based on 5 years of Open-Meteo archive data for this event's race dates in Redmond, plus the 3 days either side.
The sun rises at 6:33 AM and sets at 7:39 PM local time (PDT) in Redmond on September 6, 2027 — 13h 05m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Results — Redmond Harvest Half Marathon
Other races near Redmond
Different organizers, within 40 miles, in the next three months
12ks of Christmas
Captain Jack's Treasure Run
Run or Wine 5K Series - December 2026
Lake Washington Half Marathon
🏃 Plan Your Next Race in Redmond
Find upcoming events by distance:
- Redmond 5K Races 12 races
- 10K Run Events in Redmond 3 races
- Redmond Half Marathons 3 races
- Redmond Running Calendar 2026 15 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 15 Redmond events
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