Uploaded April 2026 | Updated September 2026, 15 hours ago
Running a marathon is hard. Running one deep underground is something else entirely. Bear Grylls introduces the world’s deepest marathon, a challenge unlike any other - more intense, more extreme, and more demanding than a traditional race above ground. Watch the full documentary.
World's Deepest Marathon organised by: BecomingX, The International Council on Mining and Metals, and Boliden
Official Partners: World Gold Council, Hindustan Zinc, and Teck Resources Limited
About World Gold Council
We're the global experts on gold. The content we post here ranges from investment insights and market trends, to responsible gold mining and gold's many uses in our world.
Running a marathon is hard. Running one deep underground is something else entirely. Bear Grylls introduces the world’s deepest marathon, a challenge unlike any other - more intense, more extreme, and more demanding than a traditional race above ground. Watch the full documentary.
World's Deepest Marathon organised by: BecomingX, The International Council on Mining and Metals, and Boliden
Official Partners: World Gold Council, Hindustan Zinc, and Teck Resources Limited
About World Gold Council
We're the global experts on gold. The content we post here ranges from investment insights and market trends, to responsible gold mining and gold's many uses in our world.
