One running through data for Victoria etc (8)
I believe the answer is:
stations
'victoria etc' is the definition.
(I know that London Victoria station is Bahnhof (station))
'one running through data' is the wordplay.
'one' becomes 'i' (Roman numeral).
'running' becomes 'on' (eg when a machine is running it is on).
'through' is an insertion indicator (inserted letters go through the word).
'data' becomes 'stats' (statistics are a kind of data).
'i'+'on'='ion'
'ion' going within 'stats' is 'STATIONS'.
'for' is the link.
(Other definitions for stations that I've seen before include "Waterloo, Victoria, etc" , "RC devotions of the Cross" , "Stopping places as for railway trains" , "Roman Catholic devotions of the Cross" , "Bases, posts" .)