Uploaded February 2026 | Updated September 2026, 3 hours ago
Filmed 1,119 metres below sea level inside Boliden's Garpenberg mine in Sweden, this documentary follows an extraordinary group of runners as they prepare to confront darkness, silence and depth and run the deepest marathon ever attempted. Some runners are experienced, others are taking on their first marathon, but all are pushed out of their comfort zones. The film reveals an incredible story of teamwork, courage, and endurance.
World's Deepest Marathon organised by: @BecomingX, The International Council on Mining and Metals (@ICMMvideos), and Boliden
Official Partners: World Gold Council, Hindustan Zinc, and Teck Resources Limited
Video: Chrome Productions
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.
Important Notice: This is not a recommendation or offer for the purchase or sale of any securities, investment products or services. Diversification does not guarantee any investment returns or eliminate risk of loss. Physical gold is an unregulated investment and its value is variable. Past investment performance is not a reliable guide to future performance. Please read the full disclaimer at: invest.gold/disclaimer.
Filmed 1,119 metres below sea level inside Boliden's Garpenberg mine in Sweden, this documentary follows an extraordinary group of runners as they prepare to confront darkness, silence and depth and run the deepest marathon ever attempted. Some runners are experienced, others are taking on their first marathon, but all are pushed out of their comfort zones. The film reveals an incredible story of teamwork, courage, and endurance.
World's Deepest Marathon organised by: @BecomingX, The International Council on Mining and Metals (@ICMMvideos), and Boliden
Official Partners: World Gold Council, Hindustan Zinc, and Teck Resources Limited
Video: Chrome Productions
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.
Important Notice: This is not a recommendation or offer for the purchase or sale of any securities, investment products or services. Diversification does not guarantee any investment returns or eliminate risk of loss. Physical gold is an unregulated investment and its value is variable. Past investment performance is not a reliable guide to future performance. Please read the full disclaimer at: invest.gold/disclaimer.
