Jack and Jills Downhill Marathon (Saturday)
Race Day Weather
Cool start, warming up, headwind challenges
Runners will face a temperature increase from 54°F at the start to 72°F by the finish, with average humidity around 67%. Light winds will shift from crosswinds to headwinds during critical segments, particularly miles 14-24, where runners should adjust their pacing. With rolling terrain and a notable descent from miles 18 to 27, maintaining hydration and pacing conservatively in the heat is essential for optimal performance.
Pace Calculator
Get forecast alerts for Jack and Jills Downhill Marathon (Saturday)
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
The Jack & Jill's Downhill Marathon in North Bend, Washington, offers runners a fast, net-downhill course along the scenic Palouse to Cascades State Park Trail. Starting near the iconic Snoqualmie Tunnel, the marathon features a gradual descent of approximately 1,300 feet over 26.2 miles, providing an ideal setting for personal bests and Boston Marathon qualifications. The course is predominantly shaded, with a smooth, hard-packed gravel surface that is gentle on the legs, enhancing the overall running experience.
