Biography
From Seoul to the global stage, Sung Su Lee has quietly become one of the most formidable boulderers of his generation. His calm focus, refined movement, and obsession with precision have pushed him from IFSC competitions to the hardest outdoor problems on earth.
Accomplishments
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Fifth ascent of Burden of Dreams (V17/9A), Finland
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Repeat of Burden of Dreams (V17/9A) — 5th ascent (May 2025)
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Six V15 boulders in 2024 including Lucid Dreaming (V15)
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Longtime competitor on the IFSC World Cup circuit (Boulder & Lead)
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Established multiple V15–V16 boulders across Asia and Europe