#3 He wrote a popular book on his travels known as The Voyage of the Beagle. In the years following his return from the voyage, Charles Darwin compiled a book in which he shared his experiences and observations during the voyage. Now known as The Voyage of the Beagle, the book was published in 1839.
How much should you train if you want to run a good half marathon? There are two distinct types of runners who ask this question: the first-time half marathon runner who runs just 2 to 3 days a week for 3 to 5 miles.
Hold yourself back to a pace about 90 seconds or 2 minutes per mile slower than your current 10K pace. Finally, the pre-training schedule. You should be able to run this schedule for four to five weeks without much discomfort before starting the half marathon program. If not, give yourself some time to build up to that level gradually, or you may risk injury.