A quarter marathon is a race that covers approximately one-quarter of the full marathon distance. The exact length is about 10.55 kilometers (6.55 miles), which is a quarter of the full marathon distance of 42.195 kilometers (26.2 miles)

. Sometimes, the term "quarter marathon" can refer to races ranging from 10 to 15 kilometers (6.2 to 9.3 miles), but the standard and most commonly accepted distance is around 10.55 kilometers or 6.55 miles

. In summary:

• Standard quarter marathon distance: ~10.55 km (6.55 miles)
• It is exactly one-quarter of a full marathon (42.195 km or 26.2 miles)
• Some variations may range up to 15 km, but the typical race is close to 10.5 km

This distance serves as a good stepping stone for runners progressing beyond 5K or 10K races and aiming for longer distances like half or full marathons