It's estimated that Sgt. Lee of the American Continental Army pedalled his TURTLE submarine at about 2 mph in 1776.
The fastest solar powered car is called the Sunswift IVy with a raging record breaking/holding speed of over 250 mph.
The world record for the fastest cyclist was set by Dutch cyclist, Theo Bos, who reached a speed of 133.78 km/h (83.13 mph) in 2018 at the World Human Powered Speed Challenge in Nevada, USA.
100m in 11.57 seconds
Fastest speed on what kind of bicycle, and under which conditions? With an UCI-approved bike, anything human-powered, downhill on a MTB, descending on a road bike, on the flat solo, on the flat behind a pace vehicle?
XF-84H Thunderscreech is the fastest propeller powered airplane.It can travel at a speed of 1004kmph.For more information see the related links below.
The X-15 speed 5,000+ mph been flown. fastest rocket powered Helios probe 100,000+ mph Never flown.
tr1700 25 Knots
The fastest record speed attained by a human on foot is 27.44 miles per hour. This speed was attained by Usain Bolt in the 100 yard dash.
The fastest speed of a human running was set by Maurice Greene, who achieved a sprint speed of 26.7 mph.
A bike won't go anywhere, at any speed unless it has a rider, and for a human powered vehicle the rider is crucial - so the question is quite pointless. Besides, you're not telling for what kind of riding.
The fastest recorded human speed is 27.8 mph, achieved by Usain Bolt during his 100m world record run in 2009.
According to a remote control blog,the fastest rc speed boat is a C-1 boat, powered by gas, which can reach up to 200 mph. http://www.xenonproject.com/blog/worlds-fastest-rc-boat/