Marcy has completed 14 successful English Channel crossings and is the only American woman to have completed 3 double-crossings (2001, 2004, and 2013). She was booked for a triple-crossing in 2004, but was forced to retire after the second leg. She also participated in a double-crossing English Channel relay in 2003. She joined the 24-hour club with her two-way crossing in 2013.
She was recognized and spoke at the 2012 2012 Global Open Water Swimming Conference and the International Marathon Swimming Hall of Fame induction ceremonies on the RMS Queen Mary on 22 September 2012 in Long Beach, California. She was also one of the top masters swimmers in the 10 km race at the 2012 Swim Across America Long Beach event.
- Marcy MacDonald's blog
- CT Masters profile of Marcella MacDonald
- Podiatrist, Marcella MacDonald
- YouTube video
- Marcy Macdonald Welcomes Others to the English Channel
- International Marathon Swimming Hall of Fame
- World Open Water Swimming Woman of the Year
- Open Water Swimming Safety Discussed In Global Conference
- How To Be Safe In The Open Water
- Marcy MacDonald Makes It 24 And 14