
Explore the
Humboldt Bay Marathon, Half Marathon, and Marina Mile
Humboldt Bay Marathon, Half Marathon, and Marina Mile is a road marathon set in Eureka, United States of America, taking place on 09 Aug 2026. Runners can take on both 21.08km and 42.16km options. Along the way you'll be treated to scenic views, a coastal setting and sea views. It is a certified Boston Marathon qualifier, prized by runners chasing official times. Expect strong local support, a lively atmosphere and a finish you'll remember.
The Course Profile
Whether it is a asphalt road or a challenging city circuit, the route is designed to push your limits.
Athlete Support
Strategically placed hydration stations and cheering zones to keep your momentum high until the very end.
The Finish Line
A grand celebration awaits every finisher. Experience the roar of the crowd and earn your exclusive medal.
A premier international racing destination.
A asphalt course designed for peak performance.
21.08km, 42.16km
Experience the electric vibe from start to finish line.
Prepare for the
Humboldt Bay Marathon, Half Marathon, and Marina Mile Experience.

Race Day Readiness
Environment
Event Protocol
Official Timing
& Results
Electronic timing chips provide accurate race data. Be sure to follow all start-zone protocols for a valid finishing time.
Safety &
Participant Support
Dedicated medical and support teams are stationed along the entire course to ensure a safe environment for all athletes.
Global Standards
Humboldt Bay Marathon, Half Marathon, and Marina Mile World-Class Course
A professionally measured and sanctioned route designed to provide a premium racing experience in the heart of the city.
How Back My Run
Transforms Your
Humboldt Bay Marathon, Half Marathon, and Marina Mile.
We bridge the gap between runners and their supporters, turning a solitary challenge into a shared triumph through the power of voice.
Mental Strength at the Wall
When you hit the tough miles of the Humboldt Bay Marathon, Half Marathon, and Marina Mile, your phone triggers messages of encouragement exactly when your pace drops or you reach certain milestones.
Family Presence
Even if your loved ones can't be at the finish line in person, their voices will be right there in your ears, pushing you through every kilometer.
Global Support Network
Supporters from anywhere in the world can record their messages. Distance is no longer a barrier to being part of your Humboldt Bay Marathon, Half Marathon, and Marina Mile journey.
Lifetime Memories
After the race, you get to keep all those emotional voice notes forever. It's not just a race result; it's a collection of love and support.
From Start Line
To The Finish.
Experience the future of race-day motivation in three simple steps.
Download The App
Choose the Humboldt Bay Marathon, Half Marathon, and Marina Mile and create your event in less than a minute.
Collect Support Messages
Share your unique link with friends and family so they can record motivational voice notes for your Humboldt Bay Marathon, Half Marathon, and Marina Mile journey.
Run & Receive Motivation
As you reach key milestones in Humboldt Bay Marathon, Half Marathon, and Marina Mile, supportive voice messages automatically play through your headphones.
Start collecting Voice notes from friends and family!
Everything You NeedTo Know
Answers to common questions about using Back My Run for the Humboldt Bay Marathon, Half Marathon, and Marina Mile.

Support
is Confirmed!
Empower Your Runner In Humboldt Bay Marathon, Half Marathon, and Marina Mile
Don't just watch from the sidelines. Create a personalized motivational network that delivers your voice directly to their ears when they hit the target.