Sean O'Brien 100K/50M 26.2/30K 2027
Sean O'Brien 100K/50M 26.2/30K is a 100 KM trail ultra in Calabasas, CA on January 30, 2027. See its terrain, cutoffs and how it fits your running on Find My Ultra.
- Distance
- 62.1 mi (100 KM)
- Elevation Gain
- 13,179 ft
- Max Altitude
- 2,408 ft
- Cutoff
- ~19 hrs