Ultra Running Hub
100k
Waldo 100K
100km Distance
3,300m Elevation
10 Grit Score
Elite/Extreme Level
Vertical Intensity 33 D+/km
Moderate undulations. Requires consistent effort across varying grades.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Course Intelligence
OPENFREE MAP (LIBRE)About
A 100K through the Oregon Cascades around Waldo Lake.
Highlights
- Pacific Northwest trails
- Volcanic landscape
- Beautiful lake views