Assertion: half marathon | /r/Synonym | a 21k
Facets:
Source sentences:
text: The half marathon is also known as a 21K, 21.1K or 13.1 miles, although these values are rounded and not formally correct.[examples needed]
text: A half marathon is 13.1 miles or 21K
text: The half marathon is also known as a 21K, 21.1K or 13.1 miles, although these values are rounded and not formally correct.