Mount Si Loop

North Bend, Washington, United States

7.0 miles (11.2 km) · 3,418 ft elevation gain · Loop · Route

Mount Si Loop covers 7.0 miles across North Bend, Washington, United States. Runners face 3,436 feet of climbing with 3,405 feet of loss. The largest climb extends 2.9 miles, gaining 3,338 feet. The course averages 493 feet of vertical gain per mile. The course is 18% runnable, with the remainder requiring hiking on steep or technical sections. Terrain difficulty is rated as mountainous. Difficulty is rated 21.4 out of 10, placing it in the 88.5th percentile. The route draws runners targeting challenging courses.