Ultra Running Hub Redwood City, CA, United States · Saturday, April 18, 2026
Woodside Purisima Creek Crossover
What the course asks
DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, April
Regional 2001-2020 average for April — NASA POWER, grid elevation 66 m. Not a forecast.
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.
Gear for this race
Chosen for 50 km of trail with 1,750 m of ascent.
- Trail Running Shoes35 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles1,750 m of ascent to walk up.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
The forested slopes and steep, cool canyons of Huddart Park and Purisima Creek Redwoods Open Space Preserve comprise a trail running paradise within the heart of the San Francisco Peninsula.
Similar races
Other 50K trail ultras, closest in distance first.