@disquetteIs my math wrong, or are humans in the battle system walking at less than 1.5mph, and “dash”ing at less than 3mph? probably – not sure how that matches up to historical realities of land combat

— Mike Mearls (@mikemearls) March 3, 2015

Sage Advice: you can download Mass Combat Rules for Dungeons&Dragons here
http://dnd.wizards.com/articles/features/unearthed-arcana-when-armies-clash