#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.
A typical marathon training program is about 16 to 20 weeks. If you're running a mid-October race, you've got about 10 weeks of training to go. That means 10 more long runs, with at least a couple 20-plus-milers sprinkled among those.