Input (grade 7): The 5000 metres (approximately 3.1 mi or 16,404 ft) is a popular running distance also known as 5 km or 5K ("five-K") in American English.
Output (grade 3): The 5000 metres (about 3.1 mi or 16,404 ft) is a popular running distance. It is also known as a 5K or 5 km.