- I hadn't considered barefoot running until after Melissa had read "Born to run" by Christopher McDougall and she and I had discussed it some. It's fairly journalistic in nature but interesting to read (I've only read some of her recommended chapters). Here is an article based on book excerpts.
- A great series of youtube videos by Dr. Irene Davis (pt1, pt2, pt3, pt4).
- A good review of what research has been done as of 2001 on barefoot running.
- Nature (2010) 463:531-5: Daniel Lieberman, a Harvard University Professor who runs a skeletal biology lab, has now done the most high-profile research into barefoot running mechanics. The paper is worth reading all the way through. Their website has good videos.
- Steven Robbins research: another guy who has done a lot of work in the field. His research suggests that it is actually going barefoot (not just minimal shoes) that contributes to less impact. This protracted conversation [start at the bottom and work up] with Lieberman over some points of his study is interesting. I think he is blowing things out of proportion some (and not being very reasonable in his discussions) even though his arguments have some merit.
- My favorite video on running. Not really research, but interesting that he has folks run barefoot to try and run with better form. Just ignore the part at the end about putting your shoes back on ;)
Jury Still Out
Barefoot running touches on lots of interesting ideas involved in "proper" running form. Here is a sample of posts somewhat related:
- a blog post that examines foot strike angle and injury, economy, and prevalence.
- a post examining center of gravity.
At the end of the day, it is a surprisingly complex topic...
I've been running barefoot since April/May of 2010. Since then I've run between about 7 and 21 miles a week barefoot, probably 75% of which is on asphalt or concrete (the rest grass). I run to and from work, 3.5 miles each way. Downhill I average 7:15-7:45 per mile, uphill 8:30-9:10 per mile, so roundtrip 8:00-8:30 per mile. On occasion I will run for fun, but mostly it is just transportation.
Here are my observations:
I have never cut my foot on anything, although I got a few thorns off on a trail once. I got a good bloodblister in my heel from hitting a rock once, although I never noticed the injury (I had noticed the rock) until coming home. When running once in Texas, I stepped off the sidewalk and got about 12 stickers in my foot in 2 steps. Just pulled them out and caught up to our little group.
Takes 3-6 weeks to build up decent callouses. Before that certain stretches can be pretty painful and you can get blisters (usually under the skin and they never really pop). Pebbles hurt and rocks really hurt when you hit them. Once you develop good callouses, asphalt and little pebbles just feel like a nice massage. Nothing really hurts your foot at that point.
It takes a while to adjust your stride. For many months you have to constantly remind yourself to try to shorten your stride and quicken your pace and to try to land more mid/front foot. Your heel will tell you not to land on it too hard.
Calf and foot muscles take a longer time to build up. My calves are almost always sore, now sore less.
No problems with my knees at all. I personally think it is better on my knees than with shoes because my foot can land and pronate very naturally and the strike is with a bent knee ready to absorb impact rather than a straighter knee with a heel strike.
My feet feel like they take a beating, especially at first. Up until recently though, they felt pretty great the next day. A while back, though, my outer midfoot was bruised (single incident or cumulative I don't know) and it has been bothering me, although I've still been running on it (but less). This has been my first and biggest injury running barefoot. Update: I had to take it easy for a while and run with shoes for a few months. Now it is better and I can run barefoot again.
Steep uphill is much easier than with shoes (significantly faster). Steep downhill is more difficult (significantly slower and more difficult).
For me, barefoot running forces you into a nicer running posture, head back, feet landing more under your hips. Midfoot and forefoot strike more. Getting the right foot strike is merely a matter of getting your posture right. The connection between the two makes it easy to run "properly" (if that's what I'm finally doing).
Overall, I really, really enjoy it. It is really stimulating to run without shoes (lots of sensory input on your feet, can feel the different temperatures of the pavement and textures, etc.). I think it is worth trying a few times to see what you think. After all, it is free (minus any trips to the ER ;) I prefer it so much I will only very reluctantly run with shoes on.
My real running friends dismiss it and say that real runners mid/fore-foot strike anyway and think it is silly overall, so opinions from real runners will vary. You will notice that most (99.99%) of them still run with shoes.