I bought this to measure running distances for training and racing. I took it to the 500m calibration line and it was within a meter. (Average 501+-0.7) I suspect most of the variance is due to me. It folds conveniently for storage and the meter is easy to read, although you have to bend down to read it. The kickstand is adequate, although it might not work on a soft surface. For the price I am completely satisfied.
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