SPACEROCK Trail Race 2026
- Date
- Saturday, October 17, 2026
- Start time
- 7:30 AM start (Los Angeles)
- Location
- Aqua Dulce, California
- Entry fee
- From $90
- Included with entry
- Includes a shirt
Registration is open.
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Official race websiteAdd to calendar: Apple or Outlook · Google
Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Half Marathon | Other | Oct 17, 20267:30 AM | $195 | – |
| 15K | 15K | Oct 17, 20267:40 AM | $155 | – |
| 10K | 10K | Oct 17, 20267:50 AM | $120 | – |
| 5K | 5K | Oct 17, 20268:00 AM | $90 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
Entry fee schedule
- Half Marathon: $195 until Oct 16.
- 15K: $155 until Oct 16.
- 10K: $120 until Oct 16.
- 5K: $90 until Oct 16.
Online registration closes Oct 16, 2026, unless the race fills first.
How the price compares
At $155, entry is about 101 percent above a typical 15K in California, which costs $77 right now.
Light and altitude
Sunrise on race morning is at about 6:59 AM, and the Half Marathon starts at 7:30 AM. The start sits about 1,340 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
10700 Escondido Canyon Rd, Aqua Dulce, CA 91350
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
2025 results
All results5K
Half Marathon
10K
Aggregated from official results (New Global Adventures) for SPACEROCK Trail Race. Individual finisher names are not stored here.
How fast do you need to be at SPACEROCK Trail Race?
At the 2025 5K, the fastest tenth finished in 42:44 or better, the top quarter in 49:02, and half the field in 1:00:48; the last tenth came in after 1:30:58.
At the 2025 Half Marathon, the fastest tenth finished in 2:31:00 or better, the top quarter in 2:58:57, and half the field in 3:42:44; the last tenth came in after 4:44:30.
At the 2025 10K, the fastest tenth finished in 1:14:56 or better, the top quarter in 1:24:49, and half the field in 1:37:07; the last tenth came in after 2:16:30.
| Age | Women | Men |
|---|---|---|
| Under 20 | 1:04:38 | 41:23 |
| 20-29 | 46:40 | 40:01 |
| 30-39 | 43:02 | 42:31 |
| 40-49 | 47:49 | 37:51 |
| 50-59 | 46:59 | 43:14 |
| 60-69 | 50:00 | 46:59 |
| 70+ | n/a | 1:19:31 |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
What would my time get me?
Where a finish time would have placed in 2025.
How fast is it?
Slower than most California trail 5Ks
The fastest quarter of the 2025 5K field finished under 49:02, against 32:02 in a typical California trail 5K, so times here run 53 percent slower.
- 10K: Slower than most California trail 10Ks. The fastest quarter of the 2025 10K field finished under 1:24:49, against 1:06:32 in a typical California trail 10K, so times here run 27 percent slower.
- 15K: Slower than most US trail 15Ks. The fastest quarter of the 2025 15K field finished under 2:05:04, against 1:33:44 in a typical US trail 15K, so times here run 33 percent slower.
Compares the fastest quarter of each field, so walkers and first-timers do not skew it. It reflects the course and the field together: a flat course, cool weather, or a competitive crowd all make times faster.
Typical race-day weather
Around October 17 the day usually runs from 56°F at dawn to 78°F in the afternoon, with measurable rain on about 4% of days. Cold snaps dip to 49°F and hot years reach 87°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- 10700 Escondido Canyon Rd, Aqua Dulce, CA 91350Map
- Course
- Trail
- Start elevation
- About 1,340 feet
- Included with entry
- T-Shirt
- Distances
- 5K, 10K, 15K, Other
- Editions
- 2026 (Oct 17, 2026), 2025 (Oct 18, 2025), 2024 (Oct 19, 2024), 2023 (Oct 21, 2023), 2022 (Oct 22, 2022), 2020 (Oct 12, 2020)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is SPACEROCK Trail Race?
- Saturday, October 17, 2026, starting at 7:30 AM.
- How much does it cost?
- Entry starts at $90 before processing fees.
- When does registration close?
- Online registration closes Oct 16, 2026, unless the race fills first.
- Is the entry fee high for California?
- At $155, entry is about 101 percent above a typical 15K in California, which costs $77 right now.
- Do runners get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- What distances can I run?
- 5K, 10K, 15K, Other.
- How big is it, and how fast?
- In 2025, 227 runners finished the 5K; the median finish was 1:00:48 and the winner ran 25:30.
- Is it a fast course?
- The fastest quarter of the 2025 5K field finished under 49:02, against 32:02 in a typical California trail 5K, so times here run 53 percent slower.
- Where does it start?
- 10700 Escondido Canyon Rd, Aqua Dulce, CA 91350.
From the organizers
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