Mainly Marathons Northwest Series

Lewiston, United States • 23 Sep 2026

2026 Northwest Series - Day 5 (Lewiston, ID)

The event takes place on September 23, 2026 at Hell's Gate State Park in Lewiston, Idaho. The park address is 5501 Hell's Gate Road, Lewiston, ID 83501.

Distances offered include:

  • Marathon
  • Half Marathon
  • 50K
  • 10K
  • 5K

Entry fees listed for each distance are: Marathon USD 145, Half Marathon USD 125, 50K USD 155, 10K USD 65, and 5K USD 55. A course map is noted as available.

The event listing indicates there are no time limits. Medals are listed as award items and food is mentioned as available. Merchandise items such as hats, stickers, magnets and mugs may be offered in person at the races, and an online store is noted as an additional option.

The event is organized by Mainly Marathons. A series of Northwest races is referenced as part of the organizer's event lineup. Visit the organization's website for the most recent information.

Race information

50 km
50k
Marathon
Marathon
Half Marathon
Half Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
Trail runs nearby

Part of the Palouse Road Runners' free summer series, this 10k takes runners on a loop of gravel roads near Albion, WA and the Rose Creek Nature Preserve. It's a low-key community event with results posted online.

A 5K trail race in the Blue Mountains of southeast Washington, running from Boundary Trailhead along the North South Trail to Rose Springs SnoPark. A shuttle from Pomeroy High School is included and all finishers receive shirts and medals.

Donut Dash in Moscow, ID is a six-loop 10K event with solo and relay entries. Each entry receives six donuts and runners eat one donut at the start of each loop while the course runs from the PCEI Stage.

Take on the trails of Moscow Mountain in this summer 10k. The loop course features over 800 feet of climbing for a challenging run. It's a casual, community-focused event as part of the PRR summer series.

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