In this episode of Pro Running News Matt and Dave discuss the impacts of requiring to take time off during a Marathon build up. How much will time off potentially effect your end result at the Marathon? Show Notes:  Article on time lost and impact on marathon times:https://www.frontiersin.org/articles/10.3389/fspor.2022.1096124/full?&utm_source=Email_to_authors_&utm_medium=Email&utm_content=T1_11.5e1_author&utm_campaign=Email_publication&field=&journalName=Frontiers_in_Sports_and_Active_Living&id=1096124