A.T. Robertson Commentary Mark 5:6

"And when he saw Jesus from afar, he ran and worshipped him;" — Mark 5:6 (ASV)

Ran and worshipped (εδραμεν κα προσεκυνησεν). "At first perhaps with hostile intentions. The onrush of the naked yelling maniac must have tried the newly recovered confidence of the Twelve. We can imagine their surprise when, on approaching, he threw himself on his knees" (Swete).