Freebase(0.00 / 0 votes)Rate this definition: In a parliamentary or semi-presidential system of government, a reserve power is a power that may be exercised by the head of state without the approval of another branch of the government.
5k race = 3.1 miles. Most beginner runners will take an average time to finish a 5k race of 30 - 40 minutes. 10k race = 6.2 miles. The typical time it takes to do a 10k race is 1 - 1 1/2 hours. Half marathon = 13.1 miles, 21.7 kilometres. A respectable time it takes to do a half marathon is 2 - 2 1/2 hours. Marathon = 26.2 miles, 41.2 kilometres. The average time it takes runners to do a marathon is between 4 - 5 hours.
Currently, the largest 5K in the world is the Race for a Cure: DC event in Washington D.C. The largest event in the Susan G. Komen Race for the Cure series to fight breast cancer, this 5K boasted 35,143 finishers last year.hat's a lot of runners! More: Introduction to 5K Speed Workouts. The current world record for a 5K distance run was set on May 31, 2004, by Ethiopian distance runner Kenenisa Bekele. Bekele's time was just 12:37:35.