42公里马拉松最快纪录用英语

The fastest marathon record is 42 kilometers. In English, it would be: "The fastest marathon record is 42 kilometers."

The fastest marathon record is 2 hours, 2 minutes, and 57 seconds, set by Eliud Kipchoge at the Berlin Marathon in 2018. In English, you would say: "The fastest marathon record is 2 hours, 2 minutes, and 57 seconds."