Sylvia Lacock

Sylvia Lacock is a British open water swimmer and an escort crew member who lives in Mill Valley, California.

Open Water Swimming Highlights

She is a co-founder and co-owner of the Pacific Open Water Swim Co., an open water swimming support and safety service based in Northern California.
She is a USCG-licensed Master Captain who helps pilot, train, and guide swimmers through challenging cold-water environments like San Francisco Bay and Lake Tahoe.
On 11 June 2011, she finished 10th in the 13 km Great Salt Lake Marathon Swim in Utah in 5 hours 27 minutes 50 seconds at the age of 41.
On 25 September 2014, she completed a 32.3 km crossing of the Catalina Channel from Santa Catalina Island to the Southern California mainland in 16 hours 38 minutes 18 seconds at the age of 44.
On 21 August 2017, she made a 19.2 km widthwise crossing of the Lake Tahoe in 11 hours 37 minutes 7 seconds at the age of 47.
She is a member of the board of directors of the Northern California Open Water Swimming Association and Lake Tahoe Open Water Swimming Association that includes Patrick O’Malley Daly, Suzie Dods, Suzanne Heim-Bowen, Ranie Pearce, Bryan Temmermand, Michael Tschantz-Hahn, and Steve Walker.