I'm gonna be 53, I've averaged 200 miles a month for the last 20 years or so, never had an injury, putting at least 1000 miles on every pair of Asics. I'm cheap, and I'm sturdy I guess.
Yea, it depends on a ton of stuff. One of my best friends puts 1300+ miles on a pair of shoes and he runs 70-80 miles a week. If your body can handle this type of thing, then do it I guess. However, I think thats pretty darn risky.
I generally retire my shoes after 450 miles or so, but I'm currently playing around with a pair of Glycerin 5's. I've got 530 miles on them and only using them twice a week (for my longer runs). So far I haven't had any issues during or after the runs, so I will be interested to see how long these shoes can last.
Brooks sent me a free pair, but I haven't used em yet other than trying em on to make sure they fit.
From what I could tell, the Glycerin 6s were a little softer with the double stacked mogo and were perhaps a little more flexible than the 5s. Again, I haven't ran in them yet, so I can't give a fair comparison.
I'm not really picky on my shoes though, I take whatever I can get for free (or super cheap) as long as it fits and isn't corrective.
Free Shoes!? lucky you!
Mine usually work out to be about 500 miles. My arches and me knees start getting achy around this time, and I take that as in indication to replace the shoes. I'm not sure if achy-ness is the recommended method for determining shoe life, but it's pretty clear cut.
Idenbes:
I agree. The guage I use is when my knees and or shins start to ache. It usually happens at about 500-600 miles. In my experience the surface on which you run can have a lot to do with the lifespan of a shoe. For instance, I mix in trail and hill runs 2 times per week and run on asphalt 4 times per week. The more I run on ashpalt, the faster my shoes wear out.
I just retired a pair of Nike Structure Triax 10's. They just reached the 300mi mark and after my last few runs, I decided it was time to retire them. I noticed on my last few runs, I've started getting shin pains again, so I went out for new shoes. Unfortunately, last time I had the pains, I ranthrough them and developed a stress fracture. B/c of that, I went ahead with a new pair. Can't hurt.
I just purchased a pair of Nike Structure Triax 11's and hopefully they'll go as long or longer.
Another thing, I'm rough w/ shoes. I overpronate and hit with a hard stride. It really doesn't take me long to flatten shoes.
I did talk with the guy at the shop who was definitely wanting me to purchase the Asics Kayano 14's b/c they go 400mi+ in their life. Too bad they didn't fit very well.
Speaking of cost, my Triax 10's were $95, lasted me about 8months and wound up costing me $0.31/mile. I figure that's not too bad.
The new Triax 11's I just purchased were ony $70 and should last me close to the same as the last pair. The only other expense from running would be the occassional shirt and race fees, right?
Also, I'm not one to run 30-50mi/week either. I'm probably averaging 15-20 right now and that seem to be the comfortable medium for me.
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