
I doubt it. This comes in handy for short runs as I hate carrying around a PDA. The magnets generally hold up well and I haven't had an issue with the bottle leaking like some others. However, when the bottle is full it tends to bounce/pull and this doesn't work with more elastic straps. This works best with wide, flat straps. It's not very comfortable to wear on the front so I carry it on my back and there have been times when I grabbed the whole bottle and it fell off. The small Flipbelt bottle seems to work better as it is slightly smaller than the bag. All in all a good alternative if you need some water on shorter distances (and I wouldn't wear it to a race).

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