A half marathon is a road running event of 21.0975 kilometres (13 miles 192.5 yards)—half the distance of a marathon. It is common for a half marathon event to be held concurrently with a marathon or a 5K race, using almost the same course with a late start, an early finish or shortcuts.

What is considered a half marathon?

A road race of 13.1094 miles (21.0975km), the half marathon is exactly half the distance of a full marathon.

What distance is half a marathon?

A half marathon in 13.1 miles.