- Who
- The crew of Apollo 10
- What
- 39,937.7 kilometre(s) per hour
- Where
- Not Applicable ()
- When
The fastest speed at which humans have travelled is 39,937.7 km/h (24,816.1 mph). The command module of Apollo 10, carrying Col. (later Lieut Gen.) Thomas Patten Stafford, USAF (b. 17 Sep 1930), Cdr (later Capt.) Eugene Andrew Cernan (1934–2017) and Cdr (later Capt.) John Watts Young, USN (1930–2018), reached this maximum value at the 121.9-km (75.7-mile) altitude interface on its trans-Earth return flight on 26 May 1969, when travelling at 36,397 ft/sec (11,093.8 m/sec).