Physically, is there a difference between running even splits of 5:15min/km for an entire marathon, versus alternate splits of 5:00 and 5:30?
Let’s say 5:15 is my target pace.
Is one scientifically more strenuous on your body than the other, or is it completely down to personal preference?
Wondering if it’s a viable tactic to literally do “intervals/fartlek” through the entire 42km, alternating between 5:00 and 5:30 every km or maybe every 2-3km.
u/anangrypudge — 19 hours ago