Hi.. I need some advice... I've been on the C25k for the last 10 weeks and things for going great up until Week 7. I took a week's gap between week 6 and 7 because of travel but i came back to week 7 and initial runs of 25 minutes were exhausting but doable. I wanted to be confident about running 25 minutes so i did the 7 week run a total of 5 times, 2 of which i had to stop mid way. But i moved on to week 8 thinking i was fatigued with week 7 and my first run of week 8, i started feeling a lot of pain in my lower back ( which happened also maybe in week 2) in the first 15 minutes. I had to stop at the end of 15 minutes because my right calf also cramped up. The pain in my legs hon runniaven't gone away thought my lower back pain stopped the minute i stopped running. I'm feeling pretty disillusioned and I'm not really sure what has changed. Or why I'm not able to do the longer runs. The program was challenging upto week 7 but it seems to have gotten the better of me the last 2 weeks.
My question is, should i supplement my 3 days of running with maybe 3 days of some other workout which helps build stamina? I'm thinking about starting a yoga class, something more low impact so i don't feel exhausted on running days.
I'd appreciate any advice. My steady jog seems to have come down to panting crawl.