A 15K is a road race covering 15 kilometres, or about 9.3 miles. It sits between a 10K and a half marathon, giving runners a longer endurance test without the full commitment of 21.0975 km.
A 15K covers 15 kilometres, which converts to about 9.3 miles.
Recreational runners typically finish in 1 hour 15 minutes to 1 hour 45 minutes. Competitive runners can go under an hour.
It's less common than a 5K, 10K, or half marathon, but it does appear regularly as a standalone event or a mid-distance category, including at several Indian races.
A 10K training plan extended by a few weeks works well, with the weekly long run built up to around 12 to 13 kilometres. Add one tempo or pace-focused session per week.
Yes, it bridges the gap nicely between 10K and 21K training. Completing one confidently is a good sign you're ready to start half marathon-specific training.