Winter Olympic Sport With a Two or Four-Man Cart

Puzzle 8 of Words ending with – ING Piece of Cake Pack

Question is: Winter Olympic Sport With a Two or Four-Man Cart

and the answer is: BOBSLEIGH

Word Meaning:

BOBSLEIGH — (obsolete) A sleigh for saw logs or heavy timber resting on two pairs of two short runners.

Definitions from Wiktionary.