- Who
- Rari Nantes Spezia
- What
- 23 min 34.27 sec minute(s):second(s)
- Where
- Italy (la spezia)
- When
The fastest 100 x 25 m swimming relay is 23 min 34.27 sec and was achieved by Rari Nantes Spezia, in La Spezia, Italy, on 14 January 2023.
The ASD Rari Nantes Spezia is a swimming association that has been operating in sport since 1986. Participants were aged 9 to 70 years old.