Quicksilver Trail Challenge
Race Date
Oct 25, 2025
Location
San Jose, CA
Quick facts
- Date
- Saturday, October 25, 2025
- Location
- San Jose, California
- Distance
- Half marathon (13.1 mi) + 10K trail run | kids run
- Course
- Loop Course
- Terrain
- Trail
- USATF certified
- Not listed
- Finishers on record
- 1,142
Highlights
Atmosphere
The Experience
The Quicksilver Trail Challenge is an annual trail running event organized by the Quicksilver Running Club of San Jose. It features a half marathon, a 10k, and a kids' 1 mile fun run, taking place at Almaden Quicksilver County Park in late summer or early fall. The course shares trails with the club's ultramarathons and offers scenic views of the Santa Cruz Mountains. The event includes aid stations and awards for top finishers.
Course Info
Course Type
Loop Course
Terrain
trail
Scenery
Park, Mountain
Surface
Dirt Trail
Difficulty
Rolling Hills
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Quality Score
Solid Pick5220 years running
~41 finishers a year
small race — neutral
17% returning runners
3 timing sources
runners from 2 states
winner 1:47:29
typical high 75°F
Race Day Weather
5-year historical avgStart (Low)
53°
Afternoon (High)
71°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
10 mph
Wind
67%
Humidity
Historical Finish Times
How 1,142 finishers actually crossed the line across 20 years.
Most recent
2025
Total finishers
1,142
Median time
2:30:19
Latest turnout
47
States
10
Turnout by year
2015–2025
Hover the histogram to inspect specific finish times.
Frequently asked
When is the Quicksilver Trail Challenge?
The Quicksilver Trail Challenge was held on Saturday, October 25, 2025.
Where does the Quicksilver Trail Challenge take place?
It takes place in San Jose, California.
What distances does the Quicksilver Trail Challenge offer?
The half marathon (13.1 miles), plus 10K trail run | kids run.
Is the Quicksilver Trail Challenge course flat and good for a PR?
The Quicksilver Trail Challenge is a rolling hills, loop course course.
How many people run the Quicksilver Trail Challenge?
HalfRuns has finish records for 1,142 runners who have completed the Quicksilver Trail Challenge.
HalfRuns editorial — independent, no paid placement.
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