Hey gals,
I am also no "speed demon." I've done 1 half Mary and three full Mary's. I've ran straight through, while walking at the aid stations and I've also done my last two full marathons using the 4 minute run, one minute walk method (thanks to reading a book by Galloway). I have to be honest that my time wasn't much better (with the 4/1's) but I felt GREAT! I actually felt like I could have kept going after 26.2 (I kid you not). I believe the 4/1's and the ice baths after the race made a "world of difference." Although I run a lot less now that I've discovered riding earlier this year, I still do 4/1's when I get out there. Anyway, wanted to wish you luck on your 1/2 Mary. It's a good distance!