- Sheila Dickinson
- 28:59 hour(s):minute(s)
- United Kingdom (Kingston Upon Hull)
The longest Tai Chi marathon is 28 hrs 59 mins and was achieved by Sheila Dickinson (UK) at the St Stephens Shopping Centre, Kingston upon Hull, UK, from 12 to 13 June 2017.
Sheila wanted to use this record to raise awareness for good health and to help fundraise for the Alzheimer's Society.