I've just finished W7R3, I'm following the plan and fingers crossed it's working well. However my main issue is I run with a runners bottle of water and certainly when doing longer runs I take the odd sip. It almost feels like s comfort blanket and I don't feel confident going without it. However I'm fully aware that running whilst holding something is posturally very bad.
Does anyone have any advice, should I just leave the water at home or are there any fancy gadgets that people use?