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.
More seriously, though, itâs probably safe to assume that no one will ever run as fast as Usain Bolt for an entire mile (16 times longer than his 100m race), which puts an upper limit of about 2:36 on the fastest mile time. The world record stands at 3:43 right now.