He doesn't even break stride. Note also Christian Eriksen's gutted reaction as the ball floats tamely into Adrian's gloves.
We don't necessarily condone pitch invasions (even if this is the second time I've done so today) but if you must make a tit of yourself and hold up the game, you might as well do it in such effortlessly carefree fashion.
'Pitch invader' is is too brutal a term for this beautiful man.