- Who
- Kali & Mike Smith, Cold Copper Ranch
- What
- 284.1625 centimetre(s)
- Where
- United States (Corsicana)
- When
The largest horn spread on a cow living is 284.16 cm (111.88 in), and was achieved by Sweet Maxi EOT (USA), as verified in Corsicana, Texas, USA, on 8 October 2022.
Sweet Maxi EOT was measured as part of a Texas Longhorn Breeders Association of America competition.