Longest tail on a horse
- Who
- Mackenzie Lowe, Rachel Estes
- What
- 412.62 centimetre(s)
- Where
- United States (Spring Valley)
- When
- 25 July 2026
The longest tail on a horse measures 412.62 cm (13 ft 6 in) and belongs to Jenny, aka Mountjoy’s Ice Princess, owned by Mackenzie Lowe and Rachel Estes (both USA), as verified in Spring Valley, Ohio, USA, on 25 July 2026.
Mackenzie and Rachel decided to attempt this record after spending years growing their horse's tail.