brooks pure-->sore calves/lactate threshold

Running Shoes/Running Gear Shoes

12 years ago 03/02/2012 2:43pm EST

switched to the brooks pure connect after a recommendation from my chiropractor to clear up a month's worth of achilles tendonitis (was running in asics 2170s before). achilles felt fine after 2-3 days and i've enjoyed the shoes.

after about a month in them my calves are tired after an hour of running (as expected, i suppose) but i also feel like i hit my lactate treshold much earlier than before. legs feel a bit rubbery, and having more trouble than i should doing 20 min tempo runs.

this isn't something i've ever heard of, and just wanting to see if i'm possibly mistaking soreness/fatigue for lactic acid presence. anybody else feel like this with similar shoes?

12 years ago 07/13/2012 9:47am EDT

re: purim

12 years ago 07/13/2012 9:54am EDT

No. When I got my first pair of Connects I switched to them completely for about 300 miles. No issues. No ill effects.

However, I've always been a pretty efficient runner no matter what shoe I'm wearing.

12 years ago 07/13/2012 10:44am EDT

re: another shoe guy

When I switched to the Pure Flows I would alternate them with Precisions every other day. I had no calf or Achilles issues. My only problem was with my forefoot when the cushion started to wear after about 200 miles. The definitely do not last very long.

12 years ago 07/13/2012 12:06pm EDT

re: joho

12 years ago 07/13/2012 12:32pm EDT

re: purim

Are you wearing them on all of your runs?

It is normal to need some transition time to adapt to the shoe. Most likely, you are altering your stride and are doing more work with your lower legs. Not only are you on your toes more, but you may also have more lateral movement since the shoe is less supportive than a "normal" shoe. This will stress the muscles in your calves and shins. These are the things that should make it a "better" shoe. Like any other training stimulus, you need to adapt to the stress in order to improve.

I would think after a month you would have adapted and would not just start having issues. As one of the helpful posters indicated, You may want to alternate with another shoe or try one of the other sturdier shoes in the Connect line.

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