SoCal Ultra Series


Yen Darcy

Yen Darcy



Nick Name: Yenergizer

Passion: Ultra Running Sport

Believes: Winner never quit; quitter never win

Start Running: 1990

Start Ultra Running: 2005

Complete: 146 races (48Marathon, 82 50K/50M, 9 100K, 7 100M)

2010-1013 So Cal Ultra Series Woman Mileage and Overall Champion

Director of SoCal Ultra Grand Prix Series

Co-RD of Chino Hills Trail Series

RD of Orange Curtain 100K/50K/20K

USATF Mountain Ultra Trail (Open) Committee Chair

Gary Hilliard

Gary Hilliard


MUT consultant

Gary started running Ultras in 1986. His wife, Pam, has been his Ultra crew since the 1988 Lake Tahoe 72-mile. He has completed over 100 marathons and 100 Ultra marathons. Gary, a Civil Engineer, has a residence in Wrightwood, California, with his wife Pam where they enjoy mountain life, hiking, and running.

He is the RD of the Mt. Disappointment 25K, 50K, and 50-Mile Endurance Runs, Assistant-RD of Angeles Crest 100-Mile Race, U.S. Forest Service Trail Boss, a former Director of the SoCal Ultra Grand Prix Series, and USATF Mountain Ultra Trail (Masters) Committee Chair.

Jakob Herrmann

Jakob Herrmann



In November 2013 Jakob joined the SoCal Ultra Series team as a webmaster. He designed and coded this current website all by himself to give visitors the best access to our club.

Jakob is also an avid runner who started running in 2005. Since then he completed over 100 ultra marathons.He is also a RD of the Swiss Alps 100 in Switzerland and co-RD/co-Owner for the Angeles Crest 100.

His other passion is coding websites. He is the webmaster of this website and ac100.com.He is also the founder and webmaster of penpalworld.com, which has over 3 million members, and ultraFanatics.com, an ultra runner's hangout.