5 months ago I shut myself down due to tendinitis in my achilles. A couple of months ago I set March 1 as my return date. I could start now as the healing finally seems complete but I am sticking to March 1. I have been doing elliptical 45 mins a day, 6 days a week in place of the running. My plan is to change from my previous 6 day a week of runs to 4 days a week running and mix the elliptical in the other two days (with a day of rest). So, for my first run on March 1, I plan to warm up with elliptical for 10 mins, walk about 5 mins, then run about 2 miles. I'll repeat this on the running days each week and increase the running mileage 10% each week. I plan to now always incorporate the 10min elliptical warm-up when available. Does this make sense for a re-start plan? Better ideas are welcome.So how long is the tendinitis in my right achilles going to take to completely go away? I started running regularly two years ago and got up to 5-6 miles 5-6 days a week, after finally "retiring" as a competitive swimmer. In July my achilles started feeling sore but just kept running. Two months later it hurt to walk, but stubbornly I kept running at the same rate. Finally in September folks convinced me to stop. I can get it to where it doesn't hurt now and feels normal, but as soon as I try a single light run (even on a treadmill), its two steps back. These elliptical workouts in its place are getting boring. Biggest problem may be that I am in my mid-50s and trying to exercise like I am in my 20's-30's.