Strength training can have significant benefits for runners. First, stronger leg muscles can deliver more power when you run while strengthening connective tissue.
One of the benefits of running is getting a lot of "bang for your buck." Even if you only have half an hour to run, you can still burn many calories and work on building strength, speed, and endurance.
HIIT interval training can be laborious interval training with short breaks until you are completely exhausted, but it does not have to be. Learn how to run high-intensity intervals.
Learn how to run easy long runs as a beginner. Train yourself to run with the right intensity to become a more enduring runner.
Learn how to run intervals in a way that gets you in shape and avoid interval training becoming the form of exercise you prefer to drop.