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.
So, a generic long run for someone who's goal marathon pace is 7:00 per mile might be that the first 12 miles of a long run will be at 7:30 to 8:00 per mile, then the pace over the last 6 miles will average 7:00 per mile with the last couple of miles at 6:15 to 6:30 pace and the last 400 meters very fast. say 'fast' because you will gradually increase to a faster and faster pace so that you finish the run running nearly as fast as you can for the last few miles. I learned this from Gabriele Rosa (arguably the world's greatest marathon coach).