After 27 Years of Nonstop Walking and Overcoming Global Barriers Like the Bering Strait, British Adventurer Karl Bushby Prepares for the Final Challenge in the Channel Tunnel, Aiming to Complete His Historic Journey of 58,000 Kilometers by September 2026.
British Man Walks 58,000 Kilometers Since 1998 on the Goliath Expedition and Plans to Cross Service Tunnel of 4.8 Meters in the English Channel by September 2026
Karl Bushby, 56, has walked 36,000 miles around the globe since November 1998, overcoming geographical and bureaucratic barriers in the “Goliath Expedition”. His 27-year journey is set to conclude by September 2026 with a walk across the English Channel.
The Scale of the Goliath Expedition and Timeline
Karl Bushby, a native of Hull, England, began his journey in Punta Arenas, Chile. He has been walking “continuously” for 27 years, which reportedly qualifies him as the fittest man on Earth. The original 12-year estimate has been vastly exceeded.
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In an interview with BBC Radio Humberside, Bushby recalled starting on November 1, 1998. He described the feeling of facing a 58,000-kilometer road — equivalent to 36,000 miles — without any exact idea of how to complete it.
The completion of the challenge is expected to occur by September 2026. Bushby mentioned that due to the long period away, it may take some time for him and his family to “recognize each other again” after their reunion.
Logistical and Geographical Challenges Faced
The expedition has faced three significant “deficits” or geographical gaps between countries. The first gap crossed was the Darién Gap, located between Colombia and Panama. The second barrier crossed was the Bering Strait, which separates the United States from Russia.
Bushby cannot use any means of transportation to maintain the validity of the challenge. This has created complex situations, such as his arrest in Panama for crossing a closed border zone. Despite this, he has successfully crossed the first two “gaps”.
In addition to physical barriers, there have been numerous external complications. The Briton cited visa issues, financial crises, and the global pandemic as obstacles that needed to be overcome. There were moments when the difficulties made him fear for his own life.
The Recent Route Through Europe and Asia
Last year, Bushby swam for 31 days in the Caspian Sea. Subsequently, the journey continued through the territory of Azerbaijan and then through Turkey. He continued the journey on Turkish soil during the month of August.
He entered Europe through the Bosporus Strait in Istanbul on May 2. Before this European stage, he was in Mexico waiting for approval of his visa to proceed with the long-awaited challenge of returning home.
The Final Barrier of the English Channel
The remaining obstacle is the Channel Tunnel, between France and the United Kingdom. Overcoming this gap requires a walk through the Eurotunnel, avoiding the trains that operate 24 hours a day, 7 days a week.
The strategy involves using an additional service tunnel. According to the Getlink Group, this structure has a diameter of 4.8 meters and is located between the two railway tunnels, maintaining a distance of 15 meters from each.
The biggest current problem is securing the correct authorization since pedestrian passage is prohibited. Bushby told the BBC that returning will be “very strange”, as his life’s purpose will come to an abrupt end, requiring a swift transition to new activities.

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