The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)

  • Date Fri 27th June 2025 - Mon 30th June 2025
  • Time 12:01AM EST
  • Location Castro Valley, California
  • Price $32.80 - $69.90
  • Races 6 races
  • Distances 5km, 10km, Half Marathon

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Event summary

Get ready for an unforgettable experience at the Rock the Loch 5K/10K/Half Marathon, taking place from June 27th to June 30th, 2025, in the stunning Castro Valley, Alameda. This event invites both live and virtual participants to explore the beautiful trails of Loch Chabot Regional Park. Whether you're a seasoned runner or a beginner, you can choose from three exciting race distances: a scenic 5K, a challenging 10K, or a breathtaking half marathon.

On Sunday, June 29th, join us for an early half marathon start at 8:15 AM or the standard half marathon at 8:30 AM. The 10K kicks off at 9:30 AM, followed by the 5K at 9:45 AM. Each course offers unique views of the park, with varying surfaces that include paved pathways and thrilling trails. Participants will be treated to fantastic swag, including a stylish race tee, a custom-designed woodallion that doubles as a bottle opener, and a unique Rock the Loch beer sampler stein. Plus, enjoy post-race snacks and beverages if you join us live! Don’t miss this chance to immerse yourself in nature, challenge your limits,

Organiser's Description

We cannot promise you'll encounter any cryptic, aquatic creatures at Loch Chabot, but you might! We DO promise a gorgeous trail run on the scenic trails of Loch Chabot Regional Park, some quality nature therapy, and some incredible views!

We'll also hook you up with some awesome swag (a shirt, a race woodallion that doubles as a bottle opener, a Rock the Loch beer sampler stein, & more), quality post run beverages/snacks, and more!

If you can't join us LIVE at Loch Chabot, no problem! We're supporting a VIRTUAL participation option as well.



WHERE: Lake Chabot [https://www.ebparks.org/parks/lake_chabot/default.htm] in Castro Valley, CA.
WHEN: Sun, 6/29- EARLY HALF START-8:15AM (for those needing 3.5-4 hours), STANDARD HALF START-8:30AM (for those needing 3 hours or less), 10K START-9:30AM, 5K START- 9:45AM.
COURSE MAPS: 5K Course Map [https://www.strava.com/routes/2976928272848835592], 10K Course Map [https://www.strava.com/routes/2977336742953604862], Half Marathon Course Map. [https://www.strava.com/routes/2965025391652591174]

COURSE DETAILS-The 5K is 100% paved. The 10K Miler is 50% paved and 50% trail. The Half Marathon includes 3ish miles paved and the rest is trail.

THE SWAG: All participants receive....

* An epic, trail run at Loch Chabot (assuming you're not participating virtually)
* An AWESOME race woodallion designed by ARAVAIPA ARTWORX
* A sweet lifestyle tee
* A custom Rock the Loch beer sampler stein.
* Post race snacks/beverages (if participating LIVE)

PRE-RACE BIB & SHIRT PICKUP: SAT, 6/28 FROM 12-4PM AT RENEW PT (460 BOULEVARD WAY, SUITE 2D) IN OAKLAND. [https://ptrenew.com/locations/?_sft_work-location=oakland]

*NOTE-A friend can pickup your bib/shirt for you provided they furnish proof of your registration and a copy of your ID/driver's license.

If you cannot claim your bib/shirt on Sat, 6/28, we will support race morning bib/shirt pickup from 7:30-9AM at the start/finish area.



PLEASE NOTE WE CANNOT SUPPORT REFUNDS, TRANSFERS, AND/OR CREDITS.



In the event of race cancellation due to wildfires, hazardous air quality, hazardous weather conditions, natural disasters, COVID and/or other global pandemics, or any 'act of God' that is beyond our control, we cannot support refunds, transfers, and/or credits. Please note this has only happened ONCE due to COVID in 2020, but anything is possible. Please make sure you are comfortable with these potential risks before you sign up.

In the event of race cancellation due to any of the aforementioned, we will ship all race swag/items to participants and provide direction around navigating the course(s) on your own. We'll also provide direction around submitting your result.

We also cannot support refunds, transfers, and/or race credits if you get injured in the days/week(s) leading up to race day, if your schedule changes in the days/week(s) leading up to race day, if a work trip comes up that makes it impossible for you to attend on race day, and/or any other professional or personal matter that arises making it difficult for you to attend in person on race day.

In the event of any of the aforementioned, we will ship all race swag/items to said participants and provide direction around navigating the course(s) on your own. We'll also provide direction around submitting your result.

Races

  • The Rock the Loch Half Marathon (LIVE)

    Incl. $4.90 Fee & Rock the Loch Shirt, Race Woodallion, & More!!

    Sun 29th June 2025 (9:15AM EDT)

    $69.90

  • The Rock the Loch Half Marathon (VIRTUAL)

    Incl. $4.00 Fee & Rock the Loch Shirt, Race Woodallion, & More!!

    $54.00

  • The Rock the Loch 10K (LIVE)

    Incl. $3.70 Fee & Rock the Loch Shirt, Race Woodallion, & More!!

    Sun 29th June 2025 (9:30AM EDT)

    $48.70

  • The Rock the Loch 10K (VIRTUAL)

    Incl. $3.40 Fee & Rock the Loch Shirt, Race Woodallion, & More!!

    $43.40

  • The Rock the Loch 5K (LIVE)

    Incl. $3.10 Fee & Rock the Loch Shirt, Race Woodallion, & More!!

    Sun 29th June 2025 (9:45AM EDT)

    $38.10

  • The Rock the Loch 5K (VIRTUAL)

    Incl. $2.80 Fee & Rock the Loch Shirt, Race Woodallion, & More!!

    $32.80

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Location

Lake Chabot Regional Park, 17930 Lake Chabot Road, Castro Valley, 94546, CA, United States

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Jun 27, 2025

$32.80 - $69.90