
- Who
- Grant Robinson
- What
- 101.1 kilometre(s)
- Where
- Australia (Tumbi Umbi)
- When
In a 50 metre pool, the greatest distance swum in 24 hours is 101.1km (62.82 miles) by Grant Robinson (Australia) at the Mingara Leisure Centre, Tumbi Umbi, New South Wales, Australia on 28-29 June 1997.