Electric motorcycles are already known for their instant torque and quiet performance, but now one electric dirt bike has proven it can do something gas bikes can’t: breathe where combustion engines can’t. Stark Future and Swiss mountaineer-rider Jiri Zak just made history by setting a new high-altitude world record on the world’s highest active volcano, riding a fully electric Stark VARG EX up to an astonishing 6,721 meters (22,051 feet) above sea level.
The record-setting ride took place on Los Ojos del Salado, a massive stratovolcano straddling the Chile–Argentina border in the Atacama Desert. It’s the tallest active volcano in the world and one of the most brutal environments on Earth to test the limits of man and machine. Sub-zero temperatures, violent weather, thin air, and volcanic terrain have made it the proving ground for record-breaking attempts by companies like Porsche, Yamaha, and Jeep since the early 2000s.
But this time, it wasn’t a combustion engine motorcycle powering the ascent, but rather a battery-powered motorcycle.
Stark’s electric VARG EX conquers the thin air
Riding at nearly 7,000 meters means serious altitude sickness risks for humans – and serious performance losses for gas engines. But that’s exactly where the Stark VARG EX shines. Without relying on air-fuel combustion, the VARG EX can deliver full torque even in oxygen-starved conditions. It also simplifies high-altitude riding by eliminating gear shifting, relying instead on electric driveline efficiency and seamless power delivery.
Jiri Zak, the expedition’s lead rider and a seasoned alpinist, put it best. “Two years ago this was just a dream – do it on an electric bike, where combustion loses its breath. Ojos is unforgiving; one mistake can cost your life. That’s why I’m here with a team I trust and a motorcycle that keeps delivering power in thin air.”
Zak’s attempt was logged on November 30, 2025, with GPS units that were sealed in advance to ensure authenticity. The full data is now undergoing third-party verification, with Guinness World Records authentication in process.
Stark and Zak aimed to push a motorcycle – regardless of the powertrain, electric or gas – higher than ever before. And they did.
The previous high-altitude motorcycling records involved heavily modified combustion bikes operating at the ragged edge of their capability. But the Stark VARG EX performed the feat right out of the box, with no major mechanical changes. That’s a serious milestone for electric mobility.
“This was never about a standalone number,” said Stark Future CEO Anton Wass. “It’s about proving that electric is not a compromise; it takes you further than any other combustion bike could. The VARG platform can operate at the edge of the atmosphere.”
Built for the extremes
To make the record possible, Stark assembled a team of logistics experts, mountain safety personnel, and videographers to document the expedition. The crew spent multiple days acclimating, scouting line choices, and studying energy management strategies for the high-altitude ride.
Weather windows were tight. Battery thermal regulation was crucial. Traction was unpredictable. Zak even described one of the most intense moments on the mountain, returning from the summit, “The hardest moment was the traverse to Argentina Pass. The balcony was gone. The wind and snow had erased my old track. Nature had taken the path back.”
Even with the challenges, the VARG EX maintained its composure, and its performance, throughout the climb.
A moonshot mentality
With a slogan like “Next stop? The moon!” it’s clear Stark is doing more than just chasing off-road trophies. The company is positioning itself as a symbol of what electric powertrains can accomplish in terrain where gas bikes falter.
Stark Future, founded in 2020 in Barcelona, has rapidly become the most talked-about name in the electric motocross scene. Their flagship VARG model claims to be the most powerful motocross bike ever built, and the EX variant used in this record attempt is the company’s enduro-specific version.
Stark’s vision is about pushing the motorcycle industry toward a more sustainable, electric future. And with this record-setting ride, they’ve just planted an electric flag higher than any motorcycle has ever gone before.
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