Today I remembered to take enough water with me during my run at the High Bridge Trail. Despite the heat, I was able to finish my 6 mile run without any issues (round trip from and back to Rice).
Before running I had a monster workout at the Y. Today I worked my arms and back, finishing with 15 reps of what's called an eccentric pullup (where you lower yourself back down slowly).
While I strongly believe that you can do too much cardio if you're a lifter, I don't think we need to choose between the two. We can have both. Personally, I'd say use lifting for toning your muscles and running for heart health. Use the two activities any way you deem best. After all, it's your steering wheel.
Have a beautiful day!