Assertion: km | /r/HasProperty | 25 mi
Facets:
Source sentences:
text: This route, as it existed when the Olympics were revived in 1896, was approximately 40 kilometres (25 mi) long, and this was the approximate distance originally used for marathon races.
text: The length of an Olympic marathon was not precisely fixed at first, but the marathon races in the first few Olympic Games were about 40 kilometres (25 mi), roughly the distance from Marathon to Athens by the longer, flatter route.
text: It was constructed from 13,000 hollowed-out tree trunks to transport brine 40 kilometres (25 mi) from Hallstatt to Ebensee.