Answer:

pace

Answer	Crossword Clue
PACE	Focus of a marathon runner's training
PACE	Pick up the ...
PACE	Rate

PACE	Walk back and forth
PACE	Duel unit
PACE	Tempo
PACE	Clip
PACE	Walk nervously back and forth
PACE	Going rate
PACE	Something to set or pick up
PACE	Walk back and forth nervously

PACE	Go back and forth
PACE	Distance unit of about 30 inches
PACE	What a lead runner sets
PACE	Marathoner's concern
PACE	Marathon runner's stat
PACE	Distance unit on a treasure map
PACE	Step
PACE	Speed

PACE	R.I.P. part
PACE	Eight minutes/mile in a marathon is a good one
PACE	A slowpoke may be asked to pick it up
PACE	Kind of car seen at Indy
PACE	A cadet might be asked to pick it up
PACE	A sergeant might ask soldiers to pick it up
PACE	Gait
PACE	Walk like an expectant dad

PACE	A sergeant might ask a soldier to pick it up
PACE	Walk to and fro
PACE	Await delivery anxiously
PACE	Show worry
PACE	Part of R.I.P.
PACE	Dueler's unit
PACE	Horse's motion
PACE	Act the expectant father

PACE	It's set by a runner
PACE	It might need to be picked up
PACE	Stride
PACE	Walk nervously
PACE	Distance unit in duels