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.
Usain Bolt also holds the record for the fastest 100 metres with a running start at 8.70 (41 km/h). This was achieved during a 150 metres race in Manchester 2009, completed in 14.35 (also a World Record).