Jack Kuenzle has broken Kilian Jornet's record on the Bob Graham Round, with a provisional time of 12:23:48.
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Blistering barnacles!
This will be us on the Glen Coe Skyline 😅
Footage of his final mile here: youtube.com/watch?v=lRZiUNgqjck&
He is running amazingly well considering what he's been doing up to that point!