Biel-Bienne 100k
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The Biel 100km run is the oldest 100k run worldwide. It includes also a marathon and a half marathon. Also special about the runs are, that they take place thru the night (start is at 10pm). The track is around 60% on dirt road and 40% on pavemant.
Founded
1958
Start
Biel, Switzerland
- Several race distances/categories
- Timelimit of 20h.