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SPACEROCK Trail Race
Half Marathon15K10K5KRegistration open

SPACEROCK Trail Race

Agua Dulce, California
Entry from
$90
Days to go
11
Register from $90 on UltraSignupspacerocktrailrace.com

At a glance

Date
Oct 17, 2026
Location
Agua Dulce, California
Distances
Half Marathon, 15K, 10K, 5K
Registration
Registration open until Oct 16, 2026, via ultrasignup.com
Official site
spacerocktrailrace.com
Listed from
RunSignUp
Last checked
Oct 5, 2026

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About this race

OUT-OF-THIS-WORLD TRAIL RUNNING

SPACEROCK: the final trail running frontier.

These are the voyages of trail runners around the world.

Your mission: to explore strange new trails, to seek out new life and new experiences, to boldly run where no one has run before.

Experience the exotic trails and sights of the world-famous Vasquez Rocks Natural Park in Southern California. Known as the backdrop from popular TV shows and movies including Star Trek, The Flintstones, Battlestar Galactica, Planet of the Apes, and many of our favorite classic westerns films. Now get a spectacular experience running the trails at the SPACEROCK Trail Race!

Learn more at and register at: SPACEROCKTrailRace.com

Key dates

Registration opens

Oct 12, 2025

Tier 1 ends

Nov 16, 2025

Tier 2 ends

Mar 16, 2026

Tier 3 ends

Jun 16, 2026

Tier 4 ends

Sep 16, 2026

Registration closes

Oct 16, 2026

10d

Tier 5 ends

Oct 16, 2026

10d

Race day

Oct 17, 2026

11d

Pricing

Half Marathon

Tier 5, until Oct 16, 2026

$195

15K

Tier 5, until Oct 16, 2026

$155

10K

Tier 5, until Oct 16, 2026

$120

5K

Tier 5, until Oct 16, 2026

$90

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  • The Saddleback Marathon

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    Also a half marathon, 62 mi from SPACEROCK Trail Race, registration open

Straight-line distance

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