Worn Out

Adj. 1. worn-out - worn until no longer useful; "battered trumpets and raddled radios"; "worn-out shoes with flapping soles"
raddled worn - affected by wear; damaged by long use; "worn threads on the screw"; "a worn suit"; "the worn pockets on the jacket"
2. worn-out - drained of energy or effectiveness; extremely tired; completely exhausted; "the day's shopping left her exhausted"; "he went to bed dog-tired"; "was fagged and sweaty"; "the trembling of his played out limbs"; "felt completely washed-out"; "only worn-out horses and cattle"; "you look worn out" dog-tired, exhausted, fagged, fatigued, played out, spent, washed-out, worn out tired - depleted of strength or energy; "tired mothers with crying babies"; "too tired to eat"

..... not sure fagged is what I'd call it ... but nevertheless I have a theory about marathon training .....

As the weeks go on, my body is accumulating the fatigue and it is harder to make each session faster .... harder? .... well physically there are limits ... but it's all good ..... I know that I will bounce back when I taper and it's a bit like running with a weight tied to me now ..... ok so it's a theory!