Waldo 100K Course Profile

Willamette Pass, OR, Oregon

• Distance: 62 miles
• Elevation Gain: 11,000 ft
• Elevation Loss: 11,000 ft
• High Point: 7,200 ft
• Low Point: 5,400 ft
• Time Limit: 20 hours
• Month: August
• Finisher Rate: ~70%

A loop through the Cascade Range volcanic terrain surrounding Waldo Lake in Oregon. The course traverses lava fields, old-growth forests, and alpine meadows with views of Diamond Peak and the Three Sisters.

Aid Stations

Name	Mile	Elevation	Crew Access	Drop Bag	Cutoff
Fuji Mountain	12	6,800 ft	No	No	—
Gold Lake	24	5,600 ft	Yes	Yes	—
Maiden Peak	38	6,400 ft	Yes	Yes	—
Waldo Lake	50	5,800 ft	Yes	Yes	—

Course Segments

Segment	Miles	Terrain	Difficulty	Notes
Start to Fuji Mountain	0–12	climb	moderate	Steady climb through old-growth forest.
Fuji Mountain to Gold Lake	12–24	mixed	moderate	Rolling volcanic terrain.
Gold Lake to Maiden Peak	24–38	mixed	hard	Lava fields and alpine meadows.
Maiden Peak to Finish	38–62	mixed	hard	Waldo Lake loop then descend to finish.

View the full interactive elevation profile, 3D course flyover, and race strategy tools on HARDN.