Brazil 135 ultramarathon

The Brazil 135 Ultramarathon is a difficult challenge as it is – 135 miles across mountains and some of Brazil’s roughest terrain – only 12 of which do not involve an incline or decline. ¬†On top of that, barefoot runner David Wronski of Sausalito, California, will be attempting the distance in his Vibram FiveFingers KSO [...]

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