Boise River Marathon

Experience the unforgettable Boise River Marathon on Saturday, May 2, 2026, in Eagle, Ada. This must-attend event offers a flat, fast, and scenic course along the stunning Boise River Greenbelt, inviting runners of all levels to participate in the full marathon, half marathon, 10K, or 5K. Beyond a mere race, it's a celebration of fitness, fun, and community spirit, featuring riverside views, local vendor energy at the finish line, custom medals, shirts, and a variety of finisher food and drink. With a family-friendly ambiance and collaborations with local health and fitness groups, this event encapsulates the essence of Boise. Whether you're chasing a personal best or seeking a memorable journey, save the date to Run the River and show your support for local businesses!