Sean O'Brien 100K/50M/50K/26.2/30K
Calabasas, United States
Explore this race
trail50 km · 30 km · 80.467 kmultra
Ray Miller 50/50
Saturday, 5 December 2026 · Malibu, CA, United States
Your next starting line?
Choose a date and distance Check the latest event details and entry availability with the organiser.
Dates and distances
- Entry details ↗
30 km
30K
- Entry details ↗
50 km
50K
- Entry details ↗
80.467 km
50 Miler
- Date
- Saturday, 5 December 2026
- Location
- Malibu, CA, United States
- Distances
- 50 km · 30 km · 80.467 km
Plan with confidence. Race dates, prices and entry availability can change. Always confirm the latest details with the organiser before making plans. Check the official race website ↗Listing last updated 4 October 2026. This is a listing update, not a guarantee that every detail has been rechecked.
About This Race
Ray Miller 50/50 is a 50 km ultra trail race held in Malibu, CA. The event takes place in December 2026.
Are you the organiser?
Claim this listing to get a verified badge and edit race details.