Assertion: racing's race | /r/HasProperty | altered to metric
Facets:
Source sentences:
text: These events have their roots in races of imperial measurements which were later altered to metric: the 100 m evolved from the 100-yard dash, the 200 m distances came from the furlong (or 1/8 of a mile), and the 400 m was the successor to the 440-yard dash or quarter-mile race.