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Fly along the Highway in the Sky in this premier ultra trail race along the famous Old Ridge Route Road. Challengers can choose to take on the point-to-point 50K ultra, or the looped 25K trail run. Transcend years of history as you float through untouched land from Quail Lake to Castaic Lake.

How to enter the Ridge Route Ultra

  1. 50K Ultra

    Run 50km
    Event passed
  2. 25K Trail Run

    Run 25km
    Event passed

Ridge Route Ultra routes

Compete in the Ridge Route Ultra or 25K trail run for a once in a lifetime opportunity to experience the rich history of the Old Ridge Route Road like never before.

50K Ultra:

Be transported back in time as you travel along the 100-year-old road that saved California from being split into two states, and be blown away by the panoramic views experienced from the ridges of the San Gabriel Mountains as you descend from Quail Lake in Gorman to the dazzling shores of Castaic Lake.

The 50K trail will start at an elevation of 3,569ft, and will be a net-downhill race with over 2,800ft of climbing. Runners should expect most of the course to be on pavement, however, there will be sections revealing the original brick roadwork, and the occasional gravel.

This will be a true test of your balance, speed, and trail technique, and is the perfect opportunity to lose yourself in the beauty of your surroundings and the sport of running.

25K Trail Run:

The 25K trail run, although shorter than the ultra, is not to be underestimated. Starting at Lake Castaic, runners will have to climb Grasshopper Canyon before meeting up with the Ultra runners for the last 10k of the 50K route. The descent to the finish will offer dazzling views over Castaic Lake, with the smells of a hot cooked meal wafting up as you breeze over the line.

There will be aid stations every 3-6 miles. The cutoff for the 50K race is 7.5 hours, at 2:30pm.

Event Details

What’s Included
  • Official Finisher Trucker Hat
  • Historic Finisher Plaque (50K) or Medal (25K)
  • Vintage Race Shirt
  • Mostly closed course
  • Fully-stocked aid stations
  • Expert Volunteer help
  • Professional Chip Timing
  • On-point Course Marking
  • 1st Class Medical Support
  • Hot Cooked Meal Post-Race
  • Post-Race Massage
  • Beer Garden
Raceday Logistics


Friday, March 13th:

2:00-6:00pm: Early check-in and packet pick up Castaic Lake - Optional

Saturday, March 14:
5:30am: 50k Shuttle Departs from Castaic Lake to Ridge Route Ranch (50K start line)

5:30am: 50k Parking Opens at Ridge Route Ranch

6:00am: 50k Check-in at Ridge Route Ranch

7:00am: 50k Start at Ridge Route Ranch

8:00am: 25k Check-in at Castaic Lake

10:00am: 25k Start at Castaic Lake

1:00pm: Awards Ceremony at Castaic Lake

2:30pm: Course Closed

2:30pm: 50k Shuttle from Castaic Lake to Ridge Route Ranch

There will be a shuttle running from Castaic Lake to the 50K start line in the morning starting at 5:30am, and again in the afternoon starting at 10:30. It will cost $10 per trip.

Kit List
  • Trail shoes
  • Any hydration packs and snacks you feel as though you may need
  • Running clothing for inclement weather

Spectators should congregate at the finish like at Castaic Lake to watch the runners from both races cross the finish line. There will be a beer garden and an awards ceremony to watch and celebrate your runners.

Frequently Asked Questions

Will there be aid stations along the Ridge Route ultra?
Yes, there will be fully stocked aid stations every 3-8 miles for both the 25K and 50K routes.
Can I run with poles in the Ridge Route Ultra?
Yes, you may run with whatever gear you feel as though you may need along the trail. This can include, poles, hydration packs, food, and anything else you may need.
Will there be first aid along the course of the Ridge Route Ultra?
Yes, 1st class medical support will be available for the entirety of the course. Post-race massages will also be available in the event village to help you recover.

Ridge Route Ultra weather forecast

Mostly cloudy throughout the day.

Predicted highs
Predicted lows
IconModerate breeze possible, up to 11mph

Meet the organiser

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Blindhund Athletic Productions are responsible for producing some of the most epic Trail Runs in the state of California.



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