furlong, race

Concise Bible Dictionary:

Strong’s Dictionary of Greek Words:

Greek:
στάδιον
Transliteration:
stadion
Phonic:
stad’-ee-on
Meaning:
στάδιος (stad'-ee-os) from the base of 2476 (as fixed); a stade or certain measure of distance; by implication, a stadium or race-course
KJV Usage:
furlong, race

From Manners and Customs of the Bible: