It awesome to run with iPhone 6 – it provides you music, measures you distance (if you care about it) and takes some seriously nice photos.
Running offers a good way to move around fast and have a great opportunity to get some nice pictures.
However, it is difficult (inconvenient) to run with large DSLR camera in your backpack.
I will take my small Sony RX100M3 for the run tomorrow.
It makes life interesting! 🙂