Crossword Puzzle Uphill climb

Clue: Uphill climb

Aid in an uphill climb (TBAR with 4 letters)
Tough uphill climb (SLOG with 4 letters)
It's needed for the uphill climb (FIRSTGEAR with 9 letters)
'-- uphill climb' (ITSAN with 5 letters)
Climb into the saddle (MOUNT with 5 letters)
Climber of small hills (ANT with 3 letters)
Climber's concern (RUNG with 4 letters)
Spikes used by mountain climbers (PITONS with 6 letters)
Climbing knot wound twice as many times as a common figure (DOUBLEEIGHT with 11 letters)
Upward climb (ASCENT with 6 letters)