I've been running in the Mirage II since about 7 months ago, but due to injury and my son being born, I've only gotten about 200mi on them and they're pretty beat up. I had planned on transitioning to a new shoe in the couple weeks leading up to the Tough Mudder (one week from this Saturday), but then hurt my knee (still not sure what I did...).
I was only up to about 15-18mi per week, running 3 days/week. I was wanting to transition to the Merrell Bare Access 2 (which I picked over the original model because it actually HAS an outsole). Considering I previously ran in Asics 2160's with orthotics (which I also wore when I first started with my Mirages), does this sound completely insane?