She completed the first traditional Kagyu three-year three-month retreat for westerners under the guidance of H.E. Kalu Rinpoche in 1980. Others who participated in that retreat include Richard Barron, Ken McLeod, Ngawang Zangpo (Hugh Leslie Thompson), Ingrid Loken McLeod and Lama Surya Das (Jeffery Miller).
Sarah currently works as a teacher, oral interpreter and translator. She has been an instructor in the Religious Studies Department of Naropa University since 1992 and lives in Boulder, Colorado with her two children. She is currently working on translations of Tibetan Buddhist texts as a fellow of the Tsadra Foundation. Sarah Harding is also currently writing a book about the 11th Century female teacher Niguma whose teachings are at the core of the Shangpa Kagyu lineage.
- Harding, Sarah (2003), The Life and Revalations of Pema Lingpa, Ithaca, NY: Snow Lion
- Kongtrul, Jamgon; Harding, Sarah (2002), Creation and Completion, Wisdom Publications
- Labdron, Machik; Harding, Sarah (2003), Machik's Complete Explanation: Clarifying the Meaning of Chöd, Ithaca, NY: Snow Lion Publications,
- Kongtrul, Jamgon; Harding, Sarah (2007), Treasury of Knowledge: Esoteric Instructions, A Detailed Presentation of the Process of Meditation in Vajrayana (Treasury of Knowledge Bk. 8, Pt. 4), Ithaca, NY: Snow Lion Publications