The average speed of the world record in the 100m dash is around 37.58 km/h (23.35 mph).
20 Maybe?
Usain Bolt holds the world record for fastest 100m time.
Here's some quick math... Might be wrong: 9.69 seconds is the record in a 100M race 328.08 feet = 100 M 33.86ft/sec for 100M converted to mph... 23.08mph average speed.
Unfortunately women do not compete in the 100m race.10.9 is the official World record for non-electronic timing.10.49 with 0.0 wind is the official with electronic timing.
Kristy Coventry from Zimbabwe rewrote the world record for the women's 100m breastroke, and the record is 58.77 seconds.
Usain Bolt holds the world record for the 100m sprint. He did this in 9.69 seconds, which gives an average speed of 23.08mph (10.32m/s). As this is an average speed the maximum speed will be a bit higher than this. so to answer your question the maximum speed of a human is about 25mph
10.49s
47sec
Asafa Powell set the 100m World Record three times during his career.
9.58 sec
9.6 secones
Florence Griffiths-Joyner