- Who
- Louise Warwick
- What
- 145.80 metre(s)
- Where
- United Kingdom (Manchester)
- When
The longest crochet chain made while running a marathon is 145.80 m (478.34 ft), achieved by Louise Warwick (UK) in Manchester, UK, on 16 April 2023.
Louise made this attempt to inspire primary school children at the school she works at.