Train for Sean O'Brien
Malibu. Sean O'Brien hundred k. Backbone Trail. Twelve thousand feet above the Pacific.
62 mi+21,552 ft-21,552 ft17 hours72 ft to 2,408 fttech 5/106 stationsBackbone TrailMalibuWSER qualifierFebruary
- Start535 ft
- High2,402 ft
- Low75 ft
- Finish535 ft
What PR Run builds for this start line
- Personalized plan from your baseline and this course profile
- Aid-segment fuel rehearsals tied to checkpoint spacing
- Structured gear kit from course intelligence
- Race-day pacing, crew notes, and race-morning brief
- Aid stations: 6 · longest gap ~20 km
- Mandatory kit items: 2
- Cutoff: 17 hours
The crux
Backbone Trail exposed ridges above Malibu (near mile 40)
Race details can change. Confirm current rules and logistics with the Official site.
Train for your race
Train for Sean O'Brien
Course-specific plan, fuel segments, gear kit, and race morning for Sean O'Brien.
Official siteCheck readinessPredict finish timeFull race guideFoot care plan