847 Port Way, Clarkston WA
Tuesday, September 22nd, 2026
Race Overview
World's Best Marathon & Half Series!
- No Time Limits: Enjoy racing without the pressure of a time constraint.
- Great Food: Delight in a variety of food options during the event.
- Award-Winning Medals: Earn beautiful medals for your accomplishments.
- Loony Community!: Join a vibrant and supportive community of runners.
We RUN this country, TOGETHER!
Event Details and Schedule
Thanks for running with Mainly Marathons! Take a look at our website for additional details about this series and our other series of races. Take a look at the Northwest Series page to get details on each course.
Stay Connected
Also, join our Facebook group to stay up-to-date with our loony adventures: Main Group and Northwest Series Group.
Merchandise
If you're interested in some Mainly Merch, check out our online store HERE. We'll offer some items (hats, stickers, magnets, mugs, etc.) in-person at the races, the Mainly Merch store best option for a variety of fun designs and quality merchandise to showcase your loonacy!
Contact Us
If you have any questions, email MB@MainlyMarathons.com
We RUN this country, TOGETHER!
