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Event summary

Race along the ever-popular Alameda Creek Trail in this mixed-distanced trail running event. Perfect for those looking to get into trail running, there is a 5km, 10km, and half marathon course to choose from. Come for the scenic backdrop or for your debut trail race.

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Our events are located in amazingly beautiful parks and recreation areas in California. We are known for our well-marked courses, accurately measured distances, immediate race results, quality shirt designs, and low-key, friendly atmosphere.

For courses that are designed to be easier, flatter, and faster, check out one of our Zoom or ZombieRunner events.

We have organized over 400 events during the past 16 years. We love trail running and we promise you a rewarding experience.

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How to enter

Tickets available until Tue Jun 30 2020

What's included:

  • Fully stocked aid stations
  • T-shirt for pre-registered runners
  • Bespoke finisher's medal
  • Custom coaster (50km finisher's only)
  • Cash prize for the Top 3 (M & F) in all distances: 1st - $50, 2nd - $35, 3rd - $20
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Route description
Route description

The event kicks off from the pictures Quarry Lakes Regional Recreation area and tracks along the notable Alameda Creek Trail all the way to the Miles Canyon.

With a 5km, 10km, or half marathon to choose from this is the perfect event to try out trail running or push for a new distance.

Logistics and schedule

8:00am - 8:45am: Bib number & Shirt Pick-Up

9:00am: Half Marathon starts

9:10am: 5km starts
9:25am:** 10km starts

Please make sure you arrive at least 45 minutes before the start to get parked, registered and sufficiently warmed up before the start of your race.


Volunteers are a huge part of bringing Coastal Trail Run's epic races to life. Roles vary from race-to-race but often include manning aid stations, helping at registration, or distributing those cherished finisher's medals.

In return, you will receive a 'standard' entry into a race if you help for 5 hours, $25 discount (2 hours work), or $15 discount (1 hour work).

If you would like to find out more then simple fill out the form here:

How to get there

2100 Isherwood Way, Fremont, CA 94536, USA

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**Address: Quarry Lakes Regional Recreation Area, 2100 Isherwood Way, Fremont, CA 94536

Car:** There will be parking available at the event.

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