Sean O' Brien 50k

Latest Updates

Due to COVID-19 this race is being put on pause until 2021.

If you are looking for a safe, fun (and legal) way to get back on the trails together, visit the Running is Not Closed trail series.
Stay safe and healthy my trail friends!

Course Map & Turn-By-Turn Details

From Malibu Creek State Park Miles 0-7

Follow the paved road through the campground to Spur trail. This will connect to a paved road (Dorothy Dr.) and turn right on Dorothy Dr(in tapia Park). Follow Dorothy Dr. to a parking lot, and look for a trailhead to the right of the parking lot. Take that trail. The trail will cross a creek and head up on the other side. When you get to a small, cinder block outhouse, turn right on the trail heading up (the trail will be just before and next to the outhouse). Continue heading up. When the trail intersects with the Corral Cyn/Mesa Peak Motorway stay to the left and continue heading up. At the next intersection with another fire road, stay to the right. At the next intersection with a single track trail, take the trail to the right (this is the Backbone Trail). Follow the BBT to the Corral Canyon parking lot.

Mile 7

the intersection with the BBT, turn left onto the BBT heading west.

Mile 13.3

Continue on the BBT as it crosses Latigo Cyn. Rd. to the parking lot on Kanan Rd.

Mile 15.8

Continue on the BBT and then turn left onto the Zuma Ridge Motorway.


Return back to the start/finish line the exact same way you got here.


Course Profile & Aid Stations

  1. Corral Canyon #1 – Mile 6.5
  2. Latigo Road #1 Crossing – Mile 11
  3. Kanan Trailhead – Mile 13 & DROP BAGS
  4. Zuma Fire Road- 50k Turn around
  5. Kanan Trailhead- Mile 18 – DROP BAGS (2x)
  6. Latigo Road Crossing-  Mile 20
  7. Corral Canyon-  Mile 24.5 (last aid station before finish)

View Course Profile

Crew Rules

Not available.

Crew Access Aid Stations

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