Half-marathon distance is added!

Due to popular demand we have added a half-marathon distance to this event. This is a unique course and will allow you to run on trails DIFFERENT from our November event. More details will be posted on the site soon.

2014 race is on Saturday, March 29th.

Mark your calendars! We have secured the 2014 date.

Registration for the 2014 race is now open.

Entry fee for the full marathon is $125 and $90 for the half-marathon. We have a 400-runner limit to protect the natural beauty of the park, so hurry and sign up before we sell out.

Bib pick-up:

Friday, March 28th
A Runners Circle Run shop from 10am-7pm. 
3216 Los Feliz Boulevard, Los Angeles, CA 90039
Google Directions
(323) 661-8971

Go to the Race Details page for more info.

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Congratulations to our 2013 overall winner, IGOR CAMPOS!

See the 2013 RACE RESULTS here!

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Big thanks to Six12 Media for producing the awesome video of the race. You can also download the video as well as photos from the race by going to their site.

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We, at Keira Henninger Races, are proud and excited to hold the inaugural running of the Griffith Park Trail Marathon this spring. We created this event to give an opportunity for runners to accomplish running on trails longer than they ever imagined possible. This is a faster course with some solid good hills, and up to fourteen flat fast runnable miles. You will cross paths with historical landmarks that Griffith Park offers, and experience the magic that this special place holds.

This course will have seven well stocked and well manned aid stations, and no detail will be overlooked in the process to make this the best experience a runner could have on the trails. All runners will have 8 hours to complete this magical Trail Event.

It will start and finish in the same location as our sister race the "Griffith Park 10k" , and even touch on some amazing parts of our Griffith Park Trail Half Marathon course.

Important Participant Information

To protect the natural beauty of the park and for the enjoyment of the participants and other park users, we are limiting the number of entries to 400 runners only.

Go to our Race Details page for more information.