I've finished C25K and I'd really like an app that allows me to set myself a sequence that I can vary e.g. 5 min walk, 10 minute jog, 5 minute fast run, 10 minute jog etc etc. I've tried the Nike Run club guided runs on the app but I find the constant talking from the coaches really annoying and I just want to listen to my music and zone out with just a beep or something to signal the next phase.
Or is there something clever I can do on my iPhone with timers that doesn't mean stopping to set each timer for a phase of faster/slower running.