City of Trees Marathon

📅 Event Date

Saturday, October 11, 2025
Check for Course Maps under the "Event Info" tab above in the menu.

🎽 Swag and T-Shirt Deadline

• Coveted T-Shirt: hoodie shirt, swag thanks to our amazing sponsors, and finisher food/drink.
• Finisher Award: All COT runners get a finisher's award.
• Deadline Reminder: Please note that registrants registering after October 2, 2025 are not guaranteed a shirt.

🌳 Course Information

Please note courses utilize the Boise Greenbelt system. Should we run the Greenbelt, the river can be unpredictable. Systems and entities that govern the local Greenbelt are constantly dealing with these challenges. Typical issues are created due to sidewalk construction, sinkholes, flooding, etc. During the run, you may encounter wildlife that may cause a delay in your progress and/or change in your planned route. Or you may cause your own delay to stop and listen to the amazing sounds this course creates.

📍 Location

The race will take place at 733 S Pioneer Street, Boise, ID.

🔗 More Information

For further details, visit: City of Trees Marathon.