Registration is closed
Registration opens
June 1, 2025 12:00 AM
Malibu Creek State Park
1925 Las Virgenes Road
Calabasas, CA 91302
Optional Bib Pickup: Friday, January 30, 2026, 3pm-6pm
30125 Agoura Rd, Agoura Hills, CA 91301
Sean O'Brien 100k is a qualifier for the Western States Endurance Run.
The Sean O'Brien 50 Mile is a Sterling Silver Ticket Race for Angeles Crest 100.
Malibu Creek State Park
1925 Las Virgenes Road
Calabasas, CA 91302
Optional Bib Pickup: Friday, January 30, 2026, 3pm-6pm
30125 Agoura Rd, Agoura Hills, CA 91301
This will be a cupless race. No plastic! We will not have cups at the aid stations. You must be self sufficient and carry hydration.
30255 Agoura Road,
Agoura Hills, CA 91301
800 HAMPTON(426-7866)
1-818-597-0333
www.agourahills.hamptoninn.com
Malibu visitors’ website that will help you get around the town:
All Things Malibu
2022 100k | 50 Mile Results results
2015 Race Photos. Big thanks to Stepahnie Plomarity providing us with the photography.
2015 Race Photos. Big thanks to Stepahnie Plomarity providing us with the photography.
