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She told me that she used a Camel Back system and her coach actually asked her if she was going to carry that during the marathon. The coach indicated that she didn't need to carry all that water because there were aid stations every two miles. The gal insisted [to her coach] that she was going to use her Camel Back because it was something she was used to carrying on hikes, walks, backpacking trips, etc.
Kathi -
Yes, I think we all agree that folks should carry whatever hydration system(s) work for them, as long as they are comfortable with it. It would have been better for that coach to ask if she had ever considered other systems and was satisfied with what she had.
I agree with coach Eric about the pace and the frequency of water/aid stations determining when some runners do ok without carrying hydration. If the weather isn't too warm, and if aid stations are every 2 miles (likely for PDX), then at 8 min/mile (3:30 pace) a runner hits an aid station every 16 minutes. That's about when out hydration seminar suggested we should have about 8 oz of water/drink (every quarter hour.) Some people might be able to go 18 or 20 minutes (3:58 or 4:22 goal time) between those aid stations. Some might not. But out 21 miler probably was a pretty good indication of what the weather might be for Oct 1, so each of us should have a pretty good idea of our hydration needs.
As coach JR said in the "Wall" seminar, he likes to carry a water bottle just so he can control when he wants to drink, etc. It can be filled up at the aid stations.
My own experience corresponds to what coach Eric said. All those 3:30 or better marathons I never carried any hydration (in those days few people did.) That worked out ok.
But one where I went out too fast and the weather was warmer... not good... hit the wall and was on the ground with painful leg cramps. No fun. Finished, though. Good hydration would've helped some...
It would have been good to have hydration along on Pike's Peak. They had a few water stations, but not many (ok, it was 27 years ago) and the temperature at the finish was above 85 F in the shade. That plus going from 6400 ft to 14100 ft in the 1st half, and the fact that they essentially ran out of water at the last station 5 or so miles from the finish... I'm glad it was downhill from there to the line. I had ro *really* re-hydrate at the finish. My strong advice: please don't anyone even think about doing something like this w/o a hydration plan and system. You want to be able to control your own destiny. Heck, you want to *have* a destiny- something besides the hospital or a body bag.
We are very lucky in PDXFit to have that 21 miler as an excellent preview of Oct 1. The course, the weather, our hydration/electrolytes, the great coaching and all the folks involved...
Take care, stay safe, and just do relaxed and enjoyable training until October..
Gene