Assertion: half marathon | /r/HasProperty | 21.0975 km
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text: The IAAF recognizes eleven common distances for road races that are eligible to be counted for records if they meet the eligible criteria: 5 kilometres (3.11 mi), 10 kilometres (6.2 mi), 15 kilometres (9.3 mi), 10 miles (16.09 km), 20 kilometres (12 mi), half marathon (21.0975 km or 13.1 mi), 25 kilometres (16 mi), 30 kilometres (19 mi), marathon (42.195 km or 26.2 mi), 50 kilometres (31 mi), and 100 kilometres (62 mi).