Yes it does. There is something very very wrong with those times, even if reaction time is not included in the time.
The following times are all without reaction time, from Berlin 09 Finals. The first number is their 0-20m time, and the second number is their 20-40m time.
Men
Bolt: 2.74, 1.75
Gay: 2.78, 1.78
Powell: 2.78, 1.80
Bailey: 2.79, 1.81
Women
Fraser: 2.88, 1.95
Steward: 2.94, 1.96
Jeter: 2.98, 1.97
Campbell-Brown: 2.98, 1.97