The following are income-earning Amazon Associate links at no extra cost to you:
I use this pretty much whenever not running. Sits in the car, on the night table, desk, etc. They say that we're made up mostly of water; and I think they're right.
I'm not going to say that you need to get these. Regular cotton socks aren't ba, but not a terrible idea for "marathon" Race Day and a few training runs.
This may be the best book on preparing for a marathon. The programs go from somewhat to very aggressive. I'm doing the "easiest" one for my next race.
This is very helpful when raining before the Start. Comes in quantity 5 and is disposable yet reusable. A great choice, too, for travel and just to have on hand.
These are the ones for those cold days and/or on the way to the Starting Line (on those cold days). With or without gloves. You might wish you had these.
These actually work. Will be using them more myself; in light of just pulling a tick out of my head. Maybe essential for trail running and definitely for travel.
Consider Fox Labs Pepper Spray when looking for a personal defense item. This is extremely harsh so don't test on yourself and don't ask how I know.
A great do-it-all hydration belt for running. No-bounce silicone grip that contours to the body. Comes with two 8 oz. bottles. Wear low on the hips.
Very light and ergonomic for a relaxed, no-slip natural grip. Expandable zippered pocket on strap for small items/phone. Holds 20 oz. of water.
Simply the best bag glove. Unmatched for quality, design and value. If in doubt go with Large. A good bag glove is a must for hitting the heavy bag.
An ex exceptional warm-up and for overall fitness. Smooth and fast ball bearings with memory foam handles and coated steel wire cable. Adjustable as well.