City of Trees Marathon
External Event
Distance
3.1–26.2 mi
Pace
All paces
Terrain
Road
Difficulty
All levels
About this run
The City of Trees Marathon in Boise, Idaho, offers a scenic running experience on October 10, 2026. This event provides multiple distances, from a 5K to a full marathon (42.2 km), catering to a wide range of participants. Runners can expect a course that showcases the beauty of Boise, often referred to as the "City of Trees" for its abundant greenery and tree-lined streets. The race takes place in the heart of Idaho's capital, offering a chance to explore the city's charm while achieving personal running goals. This event is an excellent opportunity for both seasoned marathoners and those looking to complete shorter distances. The variety of race options ensures that runners of all fitness levels can find a challenge that suits them. Whether you're aiming for a personal best in the marathon or enjoying a brisk 5K, the City of Trees Marathon provides a well-organized and memorable race day.
Who it's for
With distances ranging from 5 km to a full marathon (42.2 km), this event is suitable for runners of all levels, from beginners looking for a shorter challenge to experienced athletes aiming for a marathon finish.
What to expect
- Arrive at least 45-60 minutes before your race start time to allow for parking, packet pickup if applicable, and warm-up.
- The course is expected to be primarily on roads within Boise, offering a relatively smooth running surface.
- Check the official registration page for details on packet pickup times and locations.
- Be prepared for October weather in Boise, which can be variable. Layers are recommended.
- Familiarize yourself with the course map, available on the official website, to understand the route and any potential inclines.
Good to know
- The event takes place in Boise, ID.
- Race day is scheduled for October 10, 2026.
- Multiple race distances are available, including 5K and a full marathon (42.2 km).
Typical conditions
For events around October 2026 in Boise, ID, United States: Typical autumn conditions in this region — conditions can change quickly; confirm race-day guidance on the official page.
How to prepare
Marathon training typically spans 12–16 weeks with a progressive long run and recovery weeks. Do not invent a course strategy here — check the official site for start waves, cutoffs, and gear rules.
Best marathons to run in 2026Getting there
This event is listed in Boise, ID, United States. Confirm the exact start venue, parking, and transit options on the official registration page.
Frequently asked questions
What distances are offered at the City of Trees Marathon?+
The event includes a 5 km run and a full marathon (42.2 km).
When is the City of Trees Marathon?+
The race is scheduled for October 10, 2026.
Where does the City of Trees Marathon take place?+
The event is held in Boise, ID, United States.
How do I register for the City of Trees Marathon?+
Registration details can be found on the official event website: https://www.cityoftreesmarathon.com
What is the terrain like?+
Based on the location in Boise, the course is expected to be primarily on roads.
Is this race suitable for beginners?+
Yes, with a 5K option available, the event is accessible for runners of all experience levels.
Where can I find more information about the course?+
Runners should consult the official registration page for detailed course maps and information.
What should I expect regarding weather?+
October in Boise can have variable weather. Runners should check the forecast closer to the event date and prepare accordingly.
Registration is handled by the official event organizer
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