Assertion: speedway's series race | /r/HasProperty | a 311.2-mile/500-kilometer
Facets:
value: since its 1992 inception
type: TEMPORAL
value: historically
type: TEMPORAL
Source sentences:
text: The Xfinity Series race has historically been a 311.2-mile/500-kilometer (117 laps) since its 1992 inception, but was cut to 300 miles (480 km) (113 laps) in 1998 due to a spectator's letter questioning the metric distance, but restored to 500 kilometers by its current sponsor.