The ups (red) and downs (blue) of the Mt. Diablo Trails Challenge 50K.

alt="The ups (red) and downs (blue) of the Mt. Diablo Trails Challenge 50K. Note: Ups and downs may be reversed on out and back sections. Created in SportTracks using my GPS track." border="0">

The ups (red) and downs (blue) of the Mt. Diablo Trails Challenge 50K. Note: Ups and downs may be reversed on out and back sections. Created in SportTracks using my GPS track.

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