Timberline Marathon and Half Marathon

Embark on an unforgettable trail running adventure at the Timberline Marathon and Half Marathon, set to challenge and inspire runners on June 6, 2026, in the stunning high Cascades near Gresham, Oregon. This highly-regarded event offers a full 26.2-mile marathon and a unique 14.4-mile half marathon, both renowned for their picturesque beauty and challenging terrain.

The course, often described as magical, completely circles shimmering Timothy Lake on predominantly single-track trails. Runners will traverse a diverse landscape featuring dirt trails, gentle rolling hills, and occasional rocky sections. The journey offers extraordinary views of Mount Hood across the lake, winding through lush forests, over rustic wooden bridges, and along serene lakeside beaches, even crossing the dam. Starting and finishing at the Historic Clackamas Ranger Station, the race is run at an elevation of approximately 3,000 to 3,227 feet above sea level, adding an extra layer of challenge for participants. Typical race day conditions in early June include highs around 72°F and lows around 53°F, with an 11% chance of precipitation, though runners should be prepared for potentially muddy sections.

Three well-stocked aid stations (six for marathoners) provide water, Gatorade, and toilets, though runners are encouraged to carry their own hydration and nutrition due to the remote nature and spacing of the stations. Finish your race with a sense of accomplishment, earning a finisher medal and a gender-specific technical shirt. The Timberline Marathon and Half Marathon is a must-do for trail enthusiasts seeking a demanding yet incredibly scenic experience in the heart of the Pacific Northwest.