Assertion: marathon's finisher | /r/CapableOf | have broken standing world record
Facets:
value: in the 1953 boston marathon
type: TEMPORAL
Source sentences:
text: In the 1953 Boston Marathon, the top three male finishers were thought to have broken the standing world record, but Keizo Yamada's mark of 2:18:51 is now considered to have been set on a short course.