- Who
- Tony Mangan
- What
- 405.22 kilometre(s)
- Where
- Ireland (Longford)
- When
The greatest distance travelled on a treadmill in 48 hours is 405.22 km (251.79 miles) and was set by Tony Mangan (Ireland) at St. Mel’s College, Longford, Ireland, on 22-24 August 2008.