UKC

3weeks ago running I kicked a root giving  me a grade 2 hamstring pull,tear. At the moment I can't run more than a few meters, some strength is beginning to  return. Also just started physo program. 

Possible I think, but tight on time. What do I know? I would see a physio. Steve

As SS said, get to a physio preferably one with a back ground in running

Ah that's unlucky. I'm pretty sure you will be able to run a half marathon by then, if you let it heal and follow a good physio's advice. Will you be at your best? Probably not.

So, if you're just aiming to turn up and get round (e.g. slowly or run/walk), then I'd be hopeful some good physio will get you to the start line. If you're aiming to beat your PB or push yourself as hard as you can, then maybe forget about that!

Note that my experience of this kind of thing is a tiny calf tear (like someone shot me in the leg) not grade 2 hamstring tear. It really depends on the extent of your injury, but I wouldn't write yourself off yet...see how the physio goes. Good luck!

I’ve torn both hamstrings bouldering. The first time before I was into running and the second one running on it meant it healed incredibly quickly. The tear was bad enough that I could barely walk down from the crag, but I started ‘running’ on it (very carefully) 9 days later. A month after I’d done it I ran half an Edale Skyline (20km) without any issues.

I think if you rest too long the scar tissue builds up and can give you years of problems.