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The high-stakes world of global mining traded spreadsheets for cinema at the Investing in African Mining Indaba today, as the industry gathered for the world premiere of “World’s Deepest Marathon.”
The documentary, which follows an audacious endurance race held more than a kilometre beneath the earth’s surface, has emerged as a symbolic cornerstone for a sector eager to showcase its technological sophistication and cultural transformation.
Filmed 1,119 meters below sea level in Boliden’s Garpenberg zinc mine in Sweden, the film captures the mental and physical toll on 55 runners from 17 countries who navigated 11 laps of a subterranean circuit in October 2025.
With temperatures hovering at 28°C and humidity peaking at 72%, the event broke two Guinness World Records for the deepest individual and team marathons while raising over £1 million for global charities. The production underscores a broader strategic pivot by industry bodies to rebrand mining from a legacy extractive industry into a purpose-driven, high-tech frontier.
“The World’s Deepest Marathon not only supports great causes but shines a light on the innovation, safety, and humanity that define the modern, responsible mining industry,” said Rohitesh Dhawan, CEO of the International Council on Mining and Metals (ICMM), in a media statement following the premiere. Dhawan, who completed the race himself, emphasized that the feat was only possible due to the advanced ventilation and safety protocols inherent in modern tier-one operations.
The project, a collaboration between development firm BecomingX, the ICMM, and Boliden, drew participation from heavyweights including Newmont, Teck Resources, and Kumba Iron Ore. For executives on the ground, the race served as a gruelling litmus test for the industry’s “Stronger Together” theme.
Participants, lacking the traditional roar of spectators, were forced to rely on one another for motivation in the total silence of the Swedish deep, navigating the gravel floors with only headtorches and reflective gear to guide them.
The logistical complexity of the event which required 100 litters of water per runner and the continued operation of the mine during the race mirrors the intricate challenges faced by the African mining sector today.
By successfully staging an extreme endurance event in an active industrial environment, proponents argue that the sector has demonstrated it can manage high-risk scenarios with clinical precision.
As the Indaba 2026 continues through February 12, the narrative of the underground marathon has become a focal point for discussions on human capital and ESG.
Leaders such as Teck CEO Jonathan Price and Kumba’s Ledile Dikgale highlighted that the initiative was as much about inclusion and wildlife preservation as it was about physical grit. The film stands as a record of a moment when the industry’s elite chose to descend into the darkness to prove that the limits of modern mining are being redefined.
