- Who
- Mauro Guenci
- What
- 543.59 kilometre(s)
- Where
- Italy (Senigallia)
- When
The greatest distance on inline skates (rollerblades) in 24 hours by a male is 543.59 km (337.77 miles) and was achieved by Mauro Guenci (Italy), in Senigallia, Ancona, Italy between 11 - 12 June 2004.
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