The system development life cycle is the overall process of developing, implementing, and retiring information systems through a multistep process from initiation, analysis, design, implementation, and maintenance to disposal.
exists and is an alternate of . The fastest marathon ever was run by Geoffrey Mutai (2:03:02) at the Boston Marathon on April 18, 2011. But because the legendary Boston course does not meet IAAF layout standards, the World Record belongs to Patrick Makau (2:03:38) recorded at the Berlin Marathon on September 25, 2011.
The fastest time for running 100 m is about 9.8 s. So, someone running that fast would have run 100/9.8 m/s, or about 10.2 m/s, which is about 36.7 km/h. After taking acceleration into account, I would guess that the world's fastest person could run about 38-39 km/h. aaron_189 Â· 1 decade ago.