Embark on an unforgettable trail running adventure at the Yellowstone Half Marathon Weekend on June 13, 2026, in West Yellowstone, MT. This challenging 13.1-mile race, part of the esteemed National Park Half Marathon Series, offers stunning views of the Gallatin National Forest, where you might even spot local wildlife like bears and moose along the course. The course, starting and finishing at the Old Airport on the west edge of town, takes runners through a scenic loop that includes both paved town streets and rugged dirt roads and trails. Expect a varied terrain with uneven ground, loose stones, and technical sections featuring rocks and tree roots, particularly as you climb into the forest. Runners will tackle a significant ascent of approximately 582 feet, reaching a maximum elevation of 6,690 feet, with the biggest hills appearing between miles 5 and 7 along Corrette Ridge Road.

Typical race day conditions in mid-June bring highs around 65°F and lows around 34°F, with just an 11% chance of precipitation, creating a crisp and invigorating atmosphere for your run. Aid stations are strategically placed approximately every two miles from mile 3 onwards, providing water, Gnarly Hydrate, Honey Stinger gels, basic first aid, and sometimes cut fruit and bananas. Be prepared for a cup-free event by bringing your own hydration system. Praised by runners with a 4.5/5 rating, the Yellowstone Half Marathon is celebrated for its challenging yet beautiful course, exceptional volunteers, and unique destination experience. Consider extending your trip to explore the iconic Yellowstone National Park, located just a short distance from the race route.