- Jane Nicholson, Stella Wilson, Zoey Halliwell
- 30:00 hour(s):minute(s):second(s)
- United Kingdom (Windermere)
The longest baking marathon (individual) is 30 hours and was achieved by Stella Wilson, Jane Nicholson and Zoey Halliwell (all UK) in an attempt organized by Lakeland Windermere in Cumbria, UK, on 10 November 2018.
This record was achieved simultaneously by all three participants, making them joint record holders. Together they baked over 2,000 cupcakes that were sold for donations for the Royal British Legion.