I'm looking to add one strength training day (ideally body weight/bands) and one stretching day/week to complement my existing running program (was doing yoga for runners 1/week but it's not enough). Any good resources out there? Ideally focused on injury prevention...

Run lots. Architecture also. And also crypto.

Core and General: https://www.youtube.com/watch?v=tuWK-Kxp8qE&pp=ygUsMTAgbWludXRlIGNvcmUgd29ya291dCBmb3IgcnVubmVycyBmbGVldGZlZXM%3D

Here are some of my weekely go tos: 
Ankles:

Here are some of my weekely go tos: 
Ankles:
https://www.youtube.com/watch?v=_GTu2MkGQ3M&ab_channel=forRunners

and this: https://warpcast.com/dopemandave.eth/0x2981646a

I think lifting lighter may be the way! Squats. Split squats. And step ups? 🤷‍♂️

I’ll track down a few I like. And hit you up.

Loosening up:
https://www.youtube.com/watch?v=_eqBBzMnRIQ&pp=ygUaeW9nYSBmb3IgcnVubmVycyB3aXRoIGJpcmQ%3D