50K26.2 miles20 miles13.1 miles7 miles5KCompletedTroy's California Trail Runs
Sierra Azul Trail Challenge
San Jose, California
$125
50K Race Day
5
Aid Stations
About This Race
Run in the shadow of the infamous Mt. Umunhum. Set in the Sierra Azul Open Space Preserve, this is one of the toughest trail races hosted, providing unique access to gorgeous trails and scenery not viewed by many.
Key Dates
Race Day
Apr 18, 2026
Get alerts for Sierra Azul Trail Challenge
Registration opens, price changes, race updates: straight to your inbox.
Pricing
Current Price
$125
50K Race Day
Price Progression
5K
$55
5K Race Day
$65
7 Mile
$70
7 Mile Race Day
$80
Half Marathon
$85
Half Marathon Race Day
$95
20 Mile
$95
20 Mile Race Day
$105
Trail Marathon
$105
Trail Marathon Race Day
$115
50K
$115
50K Race Day
$125
Aid Stations
5| Station | Distance | Crew | Drop Bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Hacienda Start/Finish Start/finish line with toilets available | 0.00 miles | 6:00 PM | waterGatoradesodachips+5 | ||
Woods Aid Station Toilets available | 3.50 miles | 5:00 PM | waterGatoradesodachips+5 | ||
Woods Trail/Barlow Rd Water Stop Water stop only | 6.60 miles | -- | water | ||
Kennedy Aid Station At Kennedy/Woods/Limekiln trails intersection | 10.00 miles | 3:30 PM | waterGatoradesodachips+5 | ||
Priest Rock Aid Station At Priest Rock/Limekiln trails intersection | 13.00 miles | 2:30 PM | waterGatoradesodachips+5 |
Race Planning
Plan Sierra Azul Trail Challenge with Crewable
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Make Race PlanAre you the race director for Sierra Azul Trail Challenge?
Claim this race to manage registration, volunteers, and race-day ops on Endurance HQ.