City of Trees Marathon

City of Trees Marathon, held on October 11, 2025, in Boise, Idaho, is a scenic event that takes runners through the beautiful Boise Greenbelt system. The course starts and finishes at Parkcenter Park, offering stunning views of the surrounding landscape. The event features multiple distances, including a half marathon, 10K, and 5K, making it accessible to runners of all levels.\n\nThe City of Trees Marathon is a Boston qualifier and is organized by a non-profit organization dedicated to providin