The Course

The Chuckanut 50k is a lollipop-shaped course. The first 10k and last 10k repeat on the Interurban Trail with smooth, relatively flat running. The middle 30k is what this race is known for--you get to traverse and descend the famous Chuckanut Mountain Ridge amongst beautiful Pacific Northwest terrain. There are five aid stations along the course.

  • Start - 0 miles / 0 km, Fairhaven Park upper pavilion - 6.8 miles / 10.94 km to next

  • Aid #1 - 6.8 miles / 10.94 km, Lost Lake Parking Lot - 4.2 miles to next

  • Aid #2 - 10.2 miles / 16.4 km, Two Dollar Trailhead on Cleator Rd - 2.8 miles to next

  • Aid #3 - 13 miles / 20.9 km, Ridge Trail entrance near the top of Cleator Rd - 7.3 miles to next

  • Aid #4 - 20.3 miles/ 32.7 km , bottom of Chin scraper - 4.7 miles to next

  • Aid #5 - 25 miles / 40.2 km, where Fragrance Lake Trail meets Interurban - 6.1 miles to finish

  • Finish - 31.1 miles / 50 km, Fairhaven Park upper parking lot

LINK to Chuckanut 50k Map My Run - (also shown below)

Start and Finish area

START & FINISH Area: Fairhaven Park, 107 N Chuckanut Drive, Bellingham WA 98225

Course preview videos

This video skips the section through Arroyo Park.

Video running the middle 18 on 3/2/24

This video also skips the section through Arroyo Park. At about 17:30 the bike goes down California Street instead of through the park like the race course.

100 Acre Woods Final Mile

RunGo Course Map

The following course map was provided by the team at RunGo. They’ve set it up to show the route, verified, 3D, and it is set up for flyover. The GPX file is unlocked, so you can download it from there. You can view all the layers (3D, terrain, satellite, topo) and you can watch the flyover in any layer with the play button. This is a great free service they provided. Please let me know if you have any feedback!