Runners have notoriously tight hamstrings, for a good reason! With that repetitive contraction of the hamstrings over the miles, it’s to be expected that runners have tighter than average hamstrings.
And, in part, this is good
What’s the best way to ensure you do your post-run stretching? Make it part of the routine! If you can learn just a minimum of 3 simple poses, and do them right off the back of your run, you’ll have ensured you’ve made a huge difference to your recovery, and therefore your performance. Anything else you can do as part of your recovery (like Yin), is then a double win!