Sierra Azul Trail Challenge

Saturday, April 18, 2026

San Jose, California

Race Day

Saturday, April 18, 2026

Course

Loop

Also Offers

50K26.2M20M7M5K trail run

Registration

Race Website

Official race information

☀

Avg High

70°F

☽

Avg Low

48°F

☂

Precip

0.04 in

🍃

Wind

11.4 mph

67% humidity·Based on 5-year historical data

APR 4

Diablo Trails Challenge

APR 4

Billy Goat Mountain Climb

APR 4

Golden Gate Headlands Marathon

APR 4

Hoppy Easter 5k, 10k, 15k, Half Marathon

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Race Day

Saturday, April 18, 2026

Course

Loop

Also Offers

50K26.2M20M7M5K trail run

Registration

Race Website

Official race information