[clifdweller]

-Stretch -Seriously stretch every day; as an older software dev who ignored this it took months to get limber enough I wasn't getting hurt every time I would go to a pick up soccer/volleyball game -Group sports are great because they crate a schedule to follow but often aren't too much of a commitment. Often also meet people with similar interests that you would want to do other outdoor activities with -Starting from no stamina to half marathon while doable unless you have done it before is ambitious. The best bet for running would be to try the hal higdon method for beginners but don't worry when i8t says run X miles you can take that as go x miles and repeat weeks as needed