Jack and Jills Downhill Marathon (Sunday)
Race Day Weather
Warm ascent, headwinds challenge later
Runners will face a temperature rise from 54°F at the start to 72°F by the finish, with average humidity at 67%. A light crosswind at the beginning will shift to a headwind from miles 14 to 24, making pacing adjustments crucial during this stretch. It is advisable to start conservatively given the heat and manage hydration carefully, especially on the rolling terrain.
Pace Calculator
Get forecast alerts for Jack and Jills Downhill Marathon (Sunday)
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 Snoqualmie Tunnel, the 26.2-mile route features a gradual descent of approximately 1,300 feet, ideal for setting personal records or qualifying for the Boston Marathon. Runners traverse a smooth, hard-packed gravel trail, passing through the iconic Snoqualmie Tunnel and enjoying views of the Cascade Mountains and lush forests. The race is capped at 1,100 participants, with a 6:00 a.m. start and a 6.5-hour time limit, ensuring a well-supported and memorable experience.