City of Trees Marathon 2025

• Scenic Boise route: Enjoy tree-lined streets, parks, and Boise River views on a flat course.
• Unique Greenbelt system: Navigate potential surprises like wildlife and occasional construction.
• Frequent aid stations: Available every two miles with water, sports drinks, and fuel.
• Multiple race options: Includes marathon, half marathon, 10k, and 5k distances.
• USATF certified: Ensures accurate course measurement and regulation.

The City of Trees Marathon, set in the heart of Idaho's vibrant capital, Boise, takes runners on a scenic journey along the expansive Boise Greenbelt. This marathon offers a picturesque route that hugs the river, meandering through lush city parks and past charming city landmarks, including the area around Boise State University. The well-marked course features dual out-and-back segments that provide participants with ample opportunity to enjoy Boise’s natural beauty.

One of the marathon's standout features is its strong local support, ensured by enthusiastic volunteers and the camaraderie of local runners who create an inviting atmosphere. Participants are treated to a finisher's award, complemented by post-race food and drink, with the added bonus of signature t-shirt hoodies for early registrants. The course conditions, however, can be unpredictably varied due to potential natural disturbances or urban maintenance projects. Runners might experience obstructions like sidewalk updates, sinkholes, or even spontaneous encounters with the local wildlife, potentially leading to unexpected route adjustments.

Despite past challenges with race logistics such as finisher medals and finish line officiating, the event promises improvements under new management. It stands out as an appealing choice for marathoners aiming to complete a race in every state, offering a unique, nature-filled experience. The City of Trees Marathon perfectly balances a scenic, enjoyable running challenge with the supportive, friendly vibe Boise is known for, making it an attractive event for both local and visiting runners alike.

Expect temperatures from 45-67°F (7-19°C) during mid-October for the City of Trees Marathon in Boise. Anticipate clear skies and a 16% chance of rain, with the possibility of breezy conditions. The race typically starts with 45°F (7°C) and moderate humidity, offering comfortable running conditions.

The City of Trees Marathon in Boise offers runners a captivating journey through tree-lined streets, verdant parks, and stunning views of the Boise River. This scenic out-and-back course begins and ends at Parkcenter Park, following a mostly flat terrain with a subtle downhill stretch to the halfway point, then a gentle uphill return.

Key highlights include the picturesque crossing over the Boise River at Bernadine Quinn Riverside Park between miles 8 and 9, where runners can enjoy the tranquil riverside trail before looping back. Shaded nearly the entire way, the course provides continuous visual delights while offering some sharp turns and minor rises that keep things interesting and manageable.

Running mostly on trails, participants should be prepared for the uneven surfaces and potential congestion, particularly in the latter part of the race. Hydration stations are spaced every two to three miles, but with only two gulps per cup and identical containers for both water and Gatorade, staying hydrated can be tricky. The race takes place in October, promising cool conditions, though temperatures may rise as the day progresses.

Overall, the City of Trees Marathon is perfect for both novices and seasoned runners, presenting a scenic route with unique challenges that test one's endurance and adaptability.

Visiting Boise, Idaho, for the City of Trees Marathon offers a delightful mix of natural splendor, cultural richness, and urban charm. Enjoy the city's accessibility by foot, bike, or scooter, with the Boise River Greenbelt providing a scenic route for exploration. Consider staying downtown for convenient access to a variety of shops, restaurants, and attractions.

Discover the vibrant local scene with a stroll through the Boise River Greenbelt, a 25-mile tree-lined path perfect for walking, biking, or jogging. Delve into history at the Old Idaho Penitentiary or enjoy the expansive trail network in the Boise Foothills. Downtown Boise boasts over 250 shops, galleries, and eateries, while the Basque Museum and Cultural Center offers insights into Idaho's unique heritage. Art enthusiasts will appreciate the Boise Art Museum's diverse exhibitions and community events.

Cultural highlights include exploring Freak Alley, the Northwest's largest open-air mural gallery, and the Idaho State Capitol. Experience Basque culture in the Basque Block, and visit Julia Davis Park, home to multiple museums. For unique experiences, join a Historic Downtown Food & Cultural Tour or explore the city on a guided bike tour. Whether enjoying a film at The Flicks or sipping wine at Telaya Wine Co., Boise promises a rich tapestry of experiences for every visitor.