Dennis Jensen the Danish record holder on 5000m started his first marathon project mid July 2004. From mid August to mid October he ran 120km per week over 12-14 sessions with no intervals and no long runs (except two test runs in MP over half a marathon). In total he ran app. one specific paced marathon per week.
Dennis Jensen had his marathon debut in New York City Marathon, November the 7th 2004.
In 2005 Dennis continued with a moderate training volume and finished his second marathon in 2:18:36 (Amsterdam Marathon).