Calero Hills Trail Fest

JUL
26
2025
Read all about the Calero Hills Trail Fest on 26 Jul 2025 in San Jose.
Sat 26 Jul 2025
26 miles 30 kilometers 13 miles 10 miles 10 kilometers 5 kilometers

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About the race

The Calero Hills Trail Fest, held at Calero County Park in San Jose, CA, offers a variety of trail running distances including a marathon, 30K, half marathon, 10 miler, 10K, and 5K. The courses feature challenging ascents and descents through scenic old oak groves, single track trails, and dirt paths, providing excellent heat training and panoramic views. The event emphasizes a rugged trail experience with well-marked routes, aid stations, and commemorative medals for finishers.

Registration and bib pick-up occur on race day, and detailed course maps are available online. This festival is ideal for trail runners seeking diverse distances and a challenging, picturesque course. Visit the organization's website for the most recent information.

26 mi
Marathon
30 km
30k
13 mi
Half Marathon
10 mi
10 Mile
10 km
10k
5 km

Events nearby

Trail races on hilly mixed dirt and single track at Almaden Quicksilver Park with distances from 5K to 50K, aid stations, drop bag service for longer races, and mandatory course markings and cutoffs.
Trail races at Stevens Creek County Park in Cupertino on September 12, 2026, featuring a half marathon, an 11K and a charity 2.5 mile Lollipop Loop with aid stations.
A trail running event at Calero County Park offering distances from a kids run to a 50K across single-track and dirt roads, with named aid stations, drop bag support, bib color assignments, and time limits for longer races.
Trail running in shaded redwood forest at Sanborn County Park on September 27 2026, with 10K, half marathon and 50K options; steep singletrack, shuttle parking, chip timing and specific mandatory gear for the 50K.
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