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.
Average Marathon Finishing Time. In terms of average marathon times, the median marathon finishing time in 2015 for men in U.S. marathons was 4:20:13 (9:55 minutes per mile pace), according to Running USA. The median finishing time for women was 4:45:30 (10:53 minutes per mile pace). Boston Marathon Qualifying Times