I mostly run in racing flats everyday now. I wear the Asics Sortie Magic on most runs. I bought them in Japan but don't if you can get them in the US. I used racing flats on regular runs for most of my 40+ years of running, but exclusively the last 6 years. They work for me but you have to get used to them. I'm not into minimalism running shoes. I have always run in flats when I felt like it. Had one the first pair of Nike racing flats back in 72 and wore them all summer preparing for my first season of XC in university. Ran over 100+ miles a week in them. But that's just what we did back then. Never got hurt my first ten years of running in flats. First real injury occurred when I started wearing all the new running shoes that came out in the late 70's early 80's.