Hi, I have been going through the pages on your site (amongst others) but am yet to ID this, measures around 20mm and was taken in the South of England. If it helps at all it quickly ran underground (crack in the concrete). Thanks!
This is a Rove Beetle in the family Staphylinidae. It greatly resembles an American species, the Hairy Rove Beetle, Creophilus maxillosus pictured on BugGuide. Since there are references to this species photographed in France and Czech Republic, we believe it may be your exact species, or a closely related species.