If you’re looking for a half marathon that will push you to your limits and leave you feeling accomplished, look no further than the Mainly Marathons Northwest Series Day 5 in Lewiston, Idaho.
Northwest Series Day 5 Marathon, Half Marathon, 10k & 5k
Date
September 24, 2026
Starting Time
6:30 AM
Course
Road
Fees
$95+
Location
Lewiston
Participants
1-100
Terrain
Some Hills
Environment
Park Run
Temperature
High: 78°
/ Low: 49°
Overview
Course Description
Held in Hell’s Gate State Park, this race offers a challenging yet scenic course that is sure to keep you engaged throughout the entire 13.1 miles. The course for this race is an out-and-back route, totaling 2.2 miles, which means you’ll need to complete it six times to cover the half marathon distance. The course is mostly flat and paved, but there are a few small hills and gravel sections to keep you on your toes. With a moderate amount of shade along the way, you’ll be comfortable and motivated all the way to the finish line.
Past Results
