SPASM Lake Chabot 50k Marathon 30k Half Marathon & 8k

Saturday, April 13, 2024 Castro Valley CA

SPASM Lake Chabot 50k Marathon 30k Half Marathon & 8k in Castro Valley CA

In the heart of the stunning Lake Chabot Regional Park, a trail running adventure awaited, promising both novices and seasoned runners a unique experience. The Lake Chabot Trail Run, an annual event, attracted nature enthusiasts and athletes to the Marina, where the starting point for their journey around the popular Lake Chabot reservoir and the surrounding hills lay.

What set this year’s race apart was its unwavering commitment to precision. The course’s distances were meticulously measured using a Rolatape® surveyor’s measuring wheel, ensuring that each mile, each kilometer, was an accurate test of skill and endurance.

As the sun cast a warm glow over the gathering participants, check-in began at 7:30 a.m. Race day was an occasion for camaraderie and shared passion. Runners and hikers alike were urged to arrive at least 45 minutes before their event, providing ample time to receive their bib and coveted race shirt. The bib was more than a number; it symbolized the chosen distance, an emblem of determination and commitment to the race ahead.

A unique feature of the Lake Chabot Trail Run was the provision for drop bags. Runners had the convenience of leaving non-valuables at the Start/Finish, ensuring accessibility during the race without the burden of carrying excess gear. It was all about streamlining the race experience and focusing on the course’s challenges.

While the rhythm of music was a great companion for many, headphones were allowed only on dirt road sections. The safety of participants was paramount, particularly when traversing single-track trails, crossing paved roads, accessing aid stations, or nearing the finish line. This precaution ensured that everyone could enjoy their run in a secure environment.

The bib number served as a guide, indicating the chosen distance for each participant. It was a subtle reminder of the personal challenge undertaken. Flexibility was also encouraged, allowing runners to change their distance if needed, provided they informed the organizers via email or during check-in.

California’s natural beauty was on full display, but along with it came certain challenges. Many parks in the region were home to poison oak, and runners were advised to stay on the trail and use Tecnu to wash up after their trail run, minimizing any potential encounters with this irritant. The course was an opportunity not just for physical endurance but also for responsible interaction with the environment.

The Lake Chabot Trail Run was not just a race; it was a journey through nature’s wonders, a shared passion for trail running, and a commitment to a safe and enjoyable event. It was a celebration of community, respect, and personal achievement. The runners embarked on a course that was not just measured in miles and kilometers but in camaraderie and the joy of conquering the great outdoors.

Race Weather & Climate

Located in the East Bay region, Castro Valley, California, is about 27 miles southeast of San Francisco, providing a peaceful suburban setting close to the city.

On April 13th in Castro Valley, California, you can expect an average high temperature of around 65°F and an average low temperature of about 50°F. Rainfall during this time is typically minimal, with averages around 0.1-0.3 inches.

SPASM Lake Chabot Half Marathon Race Results

SPASM Lake Chabot Half Marathon Course Map

See the race route map for the SPASM Lake Chabot Half Marathon course map here.

Starting Time

The half marathon start time is 8:30 AM.

The time limit for the half marathon is 8.5 hours.


To reserve your spot in the 2024 SPASM Lake Chabot Half Marathon, you can use the registration link here.

Race Fees

  • There is a $60.00 fee for the half marathon.
  • There is a $70.00 fee for the marathon.
  • There is a $50.00 fee for the 8k.
  • There is a $65.00 fee for the 30k.
  • There is a $80.00 fee for the 50k.
  • The kids run is FREE.

SPASM Lake Chabot Half Marathon Race Website

SPASM Lake Chabot Half Marathon Website

See more races in: April, California