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.
The 10K runner will benefit from runs of 8 miles, 10 miles and even up to 14 miles or more. A 5K runner will benefit from runs of 6 miles, 8 miles and up to 12 miles or so. The long run has been emphasized as the building block of training for over 30 years. Arthur Lydiard and many others have made it the base component of training programs for distance runners.