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Press release: new record for 2025 - Julien Deneyer

Julien Deneyer, from Wépion, has just broken the record for the Summum challenge, an extraordinary triathlon combining a 3.8km swim, a 180km bike ride over the Col des Aravis pass, and an ascent to the summit of Mont Blanc. 

His time: 9:12 p.m.
A resounding achievement, smashing the previous record held by Cyril Blanchard (11:18 p.m.), pioneer of the challenge.

Upon his arrival, Julien's words remained the same:
"A violent effort."

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Summum, Cyril Blanchard's challenge at the summit

After completing the Enduroman in 2016, the Curtivessien native is embarking on another extreme adventure this Saturday.
He will complete a 200 km triathlon, finishing at the roof of Europe, all in less than 24 hours.
It's all about reaching the peak... of his abilities.

Triathlon: Cyril Blanchard takes on a new challenge... at Mont Blanc

On September 26, the former Enduroman world record holder will take part in an extreme challenge in the Alps that he devised himself.
Starting at Lake Aiguebelette, it will end at the summit of Mont Blanc...

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Documentary Summum Mont-Blanc, by Goulwenn Tristant

Ultra-Triathlon World Cup winner: 2016, 2022 & 2023
31 Ultra-Triathlons - 9 podiums Finisher of 191 Ironman distances
Ironman distances completed per year: 49 in 2024 / 43 in 2023 / 38 in 2022 / 33 in 2016 / 23 in 2015 / 4 in 2014 and 1 in 2011

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