It’s Transvulcania week, and iRunFar is in the Canary Islands! Read our previews of the Ultra, as well as the VK and Half Marathon, and follow our live blogging of these races on Thursday and Saturday.

Petzl Iko Core – back battery pack

The back battery pack of the Petzl Iko Core.
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Petzl Iko Core - back battery pack

Edwin Gathungu