Jack & Jill Downhill Marathon, Half Marathon Washington

Experience the thrill of the Jack & Jill Downhill Marathon and Half Marathon in North Bend, King County, Washington on July 25-26, 2026. Known for its top 25 fastest courses globally, this event offers a stunning, gentle downhill route suitable for all runners. Whether you opt for the 26.2-mile marathon or the 13.1-mile half marathon on the scenic Cascade to Palouse Trail, with a remarkable 2000-foot net elevation drop, you'll be captivated by the breathtaking views. This challenging yet inspiring course, set on a hard-packed, shaded dirt and gravel road, presents an ideal opportunity to qualify for the Boston Marathon or achieve a new personal best. With aid stations every 2.5 miles stocked with refreshments and a rolling start to minimize congestion, this event guarantees a seamless and enjoyable experience for all participants. Join us for an unforgettable running adventure amidst Washington's natural beauty!