I have gone with a wire 2" grid (wire the size of a pencil) over my coop floor. Similar to what is pictured below with 4"x4"x4" cubed blocks stationed under neath the grid on top of a tarp to form a drop pit it worked excellent all summer and I will clean the coop before winter sets in and things freeze solid. The grid even keeps you chickens feet cleaner which in turn keeps your eggs and nest boxes less soiled. I live in Canada and am subject to -40º temperatures.
Clean up is simple replace the tarp with a second one. Spread the first tarp out in the sun to bake and dry. Then flex the first tarp over the compost bin and hose off any stubborn chicken poop.
For my run I have a grass catcher on my lawn mower and throw all the clipping in the run. I Move my run every year and plant my vegetable garden in the vacant spot.
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