Northwest Series Day 5 Half Marathon

Wednesday, September 25, 2024 • Lewiston, ID

Mainly Marathons Northwest Series Day 5 in Lewiston, Idaho, offers a challenging half marathon experience, pushing limits and ensuring accomplishment.

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. 

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. 

But the Mainly Marathons Northwest Series Half Marathon isn’t just about the course – it’s also about the community. This event attracts runners and walkers of all abilities, from first-timers to experienced racers. No matter where you fall on that spectrum, you’re sure to find encouragement and support from your fellow participants. 

One unique feature of Mainly Marathons races is their multi-loop course setup. That means you’ll pass through a single aid station multiple times throughout the race, giving you access to a wide variety of food and drink options to help fuel your journey. And with no time limit and a “no runner left behind” policy, you can take your time and enjoy the experience without feeling rushed or pressured. 

Craving an even bigger challenge? The Northwest Series offers a variety of distances, from 5K to full marathon, so you can choose the one that’s right for you. And if you complete all six races in the series, you’ll earn a special medal to commemorate your accomplishment. The Northwest Series includes additional races in Oregon and Washington for runners looking for a little bit more.

Race Weather & Climate

On September 25 in Lewiston, Idaho, you can expect pleasant late summer weather. The average high temperature is typically around 78°F (26°C), with an average low temperature of about 49°F (9°C). September is relatively dry, with an average precipitation of 0.58 inches, making it an enjoyable time to explore the area’s outdoor attractions.

Northwest Series Half Marathon Past Results

Northwest Series Half Marathon Course Map

See the race route map for the half marathon here.

Starting Time

The half marathon starts at 6:30 AM PDT

Northwest Series Half Marathon Fees

  • $95 by 1/31/24
  • $105 between 2/1/24 to 3/31/24
  • $120 between 4/1/24 to 8/31/24
  • $135 after 8/31/24

Northwest Series Half Marathon Registration

You can find the half marathon registration here.

Official Race Website

Additional race information can be found

See more races in: September, Idaho