Spacerock Trail Race

Agua Dulce, United States • 18 Oct 2025

Event overview

The SPACEROCK Trail Race takes place on October 18, 2025, at Vasquez Rocks Natural Area Park in Agua Dulce, California. The event offers multiple trail distances and entry fees vary by distance and registration period. Distances offered include:

  • Half Marathon+ - 13.9 miles, over 3,200 ft elevation gain and descent
  • 15K - 14.3 km, includes a large mountain climb and single-track trails
  • 10K - 10 km loop with moderate climbing and single-track
  • 5K - 5 km loop with moderate climbing and single-track

Course and race services

The trails run among the rock formations and canyons of Vasquez Rocks and include packed dirt, sandy creek beds, rocks, and boulders. Half Marathon and 15K runners pass through a "black hole" tunnel of over 500 feet on the Pacific Crest Trail sections. The race lists five aid stations on course; depending on distance, runners encounter between two and six stations. Aid stations supply water, electrolyte drinks, gels, chews, salt capsules, and snacks. Participant items and services include a finisher medal, official shirt, collectible space bag, finisher certificate, free race photos, first-place awards, finish-line food and water, and a Legacy gift for returning runners. The event uses a cupless policy at aid stations; runners are asked to bring a collapsible cup, bottle, or hydration pack. Visit the organization's website for the most recent information.

Race information

21 km
Half Marathon+
15 km
15k
10 km
10k
5 km
Visit the organization's website for the most recent information.
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