trailUltraultra
Sean O'Brien 100K/50M/50K/26.2/30K
Saturday, 23 January 2027 · Calabasas, CA, United States
- Date
- Saturday, 23 January 2027
- Location
- Calabasas, CA, United States
- Distance
- 100 km (Ultra)
About This Race
Sean O'Brien 100K/50M/50K/26.2/30K is a 100 km ultramarathon trail race held in Calabasas, CA. The event takes place in January 2027.
Are you the organiser?
Claim this listing to get a verified badge and edit race details.
Similar Races You Might Like
trailUltra
The Bulldog Ultra
15 Aug 2026 · Calabasas, United States · 2 km away
trailUltra
Las Virgenes Canyon Ultra Trail Races
25 Apr 2026 · Los Angeles (West Hills), United States · 11 km away
trailUltra
Will Rogers 24 Hour/12 Hours/6 Hour
27 Feb 2027 · Pacific Palisades, United States · 18 km away
trailUltra
Bandit Ultra Trail
26 Sept 2026 · Los Angeles (Simi Valley), United States · 20 km away