RICE for first 3 days after sustaining injury. Complete rest week 1. Introduced mountain biking week 2. Walking and cycling in Cairngorms week 3. Rest plus one circuit training session week 4. Built up exercise very carefully without any noticeable problems to calf. Went out for very gentle run on Tuesday and calf started niggling on an uphill section 30 mins into run. Stopped immediately and went for Guinness and read of Fellrunner mag in the local.