2027 Grand Teton & Yellowstone Half Marathons & 5Ks

The Grand Teton and Yellowstone Half Marathons, held on back-to-back weekends in early June, offer runners a rare double: stunning mountain scenery on fast, gentle courses. The Grand Teton Half starts near Wilson and finishes near the National Elk Refuge, with the Teton range as a constant backdrop. The Yellowstone Half, a separate race, follows similar terrain through the region's iconic landscapes. Together, they form a destination-worthy weekend for runners seeking both beauty and speed.

The half marathon courses are point-to-point and largely flat, with only a gentle climb—a forgiving profile that has produced median winning times around 1:21:48. With a field of roughly 1,850 finishers drawn from 53 states, the races have grown into a national draw over their 7 editions. About 4% of runners return in later years, a testament to the experience. The combination of certified fast courses and jaw-dropping views makes them a magnet for PR-seekers.

The atmosphere leans festive, especially with the Grand Quad challenge—runners who tackle both half marathons and both 5Ks earn eight medals, a feat that fuels a party-like energy at the finish. The series is organized by Vacation Races, ensuring smooth logistics from start to finish. Whether you’re chasing a personal best or simply soaking in the Tetons, these races deliver a memorable June weekend.