Does anyone know if you can connect both the foot pod and the tri heart rate strap at the same time to have both measurements be as accurate as possible?
Yes. I do it every day. 920xt, Garmin footpod, hrm-tri. But, it doesn't do anything for accuracy. Pace is all done by the footpod. Run dynamics and hr (if you care about that, I don't) is collected by the hrm-tri.