YMCA Famous Idaho Potato Marathon & Fun Runs

Lace up for a "spud-tacular" running experience at the YMCA Famous Idaho Potato Marathon & Fun Runs in Boise, Idaho, on May 16, 2026. This beloved annual event, presented by the Idaho Potato Commission and the Treasure Valley Family YMCA, offers distances for every runner, including a full marathon (26.2M), half marathon (13.1M), 10K, and 5K. Known as one of Idaho's signature running events and among the most popular in Boise, the race boasts a mostly flat and fast course, making it ideal for those seeking a personal best or a Boston Marathon qualifying time.

The scenic route guides participants along the picturesque Boise River Greenbelt and through charming neighborhood streets, offering beautiful views as you traverse parks and cross several bridges. With a net elevation drop of approximately 200 feet for the longer distances, the course is designed for ease and enjoyment. Aid stations are strategically placed approximately every 1.5 miles along the marathon course, providing water, nutrition products like Honey Stinger and Tailwind gels, and restrooms at alternating stops. Typical race day conditions feature comfortable highs around 73°F and lows around 48°F, with a low 7% chance of precipitation, creating pleasant running weather.

What truly sets this event apart is its unique celebration of Idaho's famous spuds. Every finisher is greeted with a hearty Idaho Potato Bar, complete with all the fixings, creating a memorable post-race celebration. Runners consistently praise the race's seamless organization, festive atmosphere, and the delightful potato-themed medals and pins. The start and finish lines are conveniently located near The Morrison Center, with a lively finish fair featuring food trucks and photo opportunities with the Idaho potato mascot, making it a truly family-friendly affair where strollers are even welcome in the 5K. Join fellow runners and experience the welcoming spirit of Idaho at this well-loved and scenic race.