WordNet sense 1 (excessively quick):

hasty

WordNet sense 2 (moving rapidly or performed quickly or in great haste):

hurried

WordNet sense 3 (at breakneck speed):

precipitately

WordNet sense 4 (in a hasty and foolhardy manner):

rashly

WordNet sense 5 (with the head foremost):

headfirst

WordNet sense 6 (at or near or directed toward the front):

forward