に[先立「さきだ」]って/に[先立「さきだ」]ち/に[先立「さきだ」]つ => Before A occurs/takes place N2
Time, Situation
に先立って => before; prior to ~ N2
に先駆けて => prior to; to be the first (pioneer); being ahead of ~ N1
…ず、…ず => No... but also no... N1
Explain
...ず => without doing N3
Determined, determined
ずに => without doing ~ N3
... はずみ.... => So N2
Result
~ににあわず (に似合わず ) => ~Different from N1
Evaluate
に[先駆「さきが」]けて => The earliest, very first in A; Ahead of A, in advance of A N1
Time, Situation
じょうず => Good at N5
Ability
~によらず      => regardless of ~ N1
…も...ずに => without doing something N4
Status, contrast