2016 Tough 100 | Mark Kirby Prologue Onboard | Go ProMark Kirby take us around the 2016 Tough 100 Prologue course up in the stunning Welsh mountains aboard his KTM 300EXC.#2016Tough100MarkKirbyPrologueOnboardGoPro
Mark Kirby take us around the 2016 Tough 100 Prologue course up in the stunning Welsh mountains aboard his KTM 300EXC.#2016Tough100MarkKirbyPrologueOnboardGoPro
