Good to see you back, Lucy, and I hope your knee keeps getting better. Easy, easy, easy getting accustomed to VFF's. I don't want to be accused of pushing an ideological point, but if you integrate a bit of barefoot running, even just a little in the warmup phase of your workouts, you will get an even better feel for the form you're striving for. It's not "barefoot" that matters, it's the "barefoot form." Short strides, quick light landings, high cadence, ond did I say light landings? You will do very well if you focus on a little at a time and light, light, light. It's diffecult to do, but you can try to integrate the BF form into your shod running. It's just very tricky to maintain the lightness and the mid- to forefoot strike.
I ran my first Half Marathon yesterday in Allentown, PA. It was a magnificent morning for a run with sunshine, no wind, and a temp of about 45 to start with a warmup by the end of the race to almost 60. I finished in 1:54:59 (8:50 / mile) according to my chip, and had a lovely time for the most part. The last 3 miles felt like they were all uphill, but that was just because I really hadn't run enough milage yet this year to be able to keep up my early pace through the whole 13.1 miles. It would have been a PR for me at the 10 mile point, which I passed at under 84 minutes. I stopped to stretch my calves at mile 11 or so, and walked for maybe 10 seconds through a couple of the last water stops. Still, I feel fine today, the day after, though I'll hold off running again until tomorrow.
Lucy, I ran it in VFF Bikilas, which are my go to backups for when I'm anticipating rough road/ trail surfaces. About 5 miles of this course had crushed stone trails, which eat my bare feet.
Good running all!
04/29/2012 Lehigh Valley / St. Luke's HM, 1:43:15 (2011, 1:54:20 )