Fastest 4 x 100 m relay by four siblings (male)
- Who
- Oliver Byrne, Adam Byrne, Simon Byrne, Luke Byrne
- What
- 50.84 second(s)
- Where
- United Kingdom (Swindon)
- When
- 24 March 2019
The fastest 4 x 100 m relay by four siblings (male) is 50.84 sec, and was achieved by Oliver, Adam, Simon and Luke Byrne (all UK) in Swindon, UK, on 24 March 2019.
The brothers held a series of qualifying races in order to determine who would make the attempt. Fifth brother Peter failed to make the team.