On Monday, May 21, Elizabeth (Liz) Mast Marathon passed away at her home in Rockville, MD. Beloved wife of the late Nicholas A. Marathon and mother of Nicholas Marathon, and mother-in-law to Diane A. Gilbert. She is also survived by a sister, Margaret Mast of Belle Vernon, PA. She was born in Fayette County, PA, and moved to the Washington, DC, area in 1943 to work as a civilian for the U.S. Army Air Corps at the newly constructed Pentagon. She later became a member of the Montgomery County Association of Realtors and worked for several firms. On Thursday, May 24, a Mass of Mass of Christian Burial will be held at St Francis of Assisi, Derwood, MD, followed by internment at Fort Lincoln Cemetery, Brentwood, MD. Memorial contributions may be made to Montgomery Hospice. https://www.montgomeryhospice.org/donate-support/donate-now. Please sign and view the online guestbook at www.hinesrinaldifuneralhome.com.