Ultra Running Hub Oregon, United States · Date TBA
100K
Waldo 100K
100 km Distance
3,300 m Climbing
10.0 Grit · Elite / extreme
What the course asks
Climbing rate 33 m / km
Rolling. 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.
Gear for this race
Chosen for 100 km of trail with 3,300 m of ascent.
- Trail Running Shoes33 m of climb per kilometre — grip and rock protection before cushioning.
- Race NutritionPast 100 km the palate quits before the legs do — carry more than one flavour.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles3,300 m of ascent to walk up.
- Headlamps100 km almost certainly means running into the night.
About
A 100K through the Oregon Cascades around Waldo Lake.
Highlights
- Pacific Northwest trails
- Volcanic landscape
- Beautiful lake views
Similar races
Other 100K trail ultras, closest in distance first.