Hi !! W3 R2 complete - I don’t see how on Earth my calf muscles are going to take any more than 3 minutes ! Anyone got any tips on how to build them up more or am I running wrong, or is this normal ? My fitness is soooo much better but my legs just want to give up I am doing it on a treadmill at mo so maybe that is why as well ? I’m too scared to run outside x thanks in advance!