Fastest speed on a gravity-powered snow sled
Who
Guy Martin
What
134.368 kilometre(s) per hour
Where
Andorra Grandvalira
When
The fastest speed on a gravity powered snow sled is 134.368 km/h (83.49 mph) and was achieved by Guy Martin (UK) on the set of Channel 4's "Speed with Guy Martin" in Grandvalira, Andorra, on 10 January 2014.