Adventure Travel

Tyler Andrews Embarks on Fifth Everest Speed Ascent Attempt Without Supplemental Oxygen

2025-09-25

American endurance athlete Tyler Andrews has once again set his sights on an ambitious goal: establishing the Fastest Known Time (FKT) for an unsupported ascent of Mount Everest. This marks his fifth attempt within five months to conquer the world's highest peak without the aid of supplemental oxygen. Having departed Everest Base Camp at 8:20 PM Nepal time, Andrews aims to reach the summit in under 20.5 hours, a feat that would solidify his place in mountaineering history. His journey is being closely monitored by his dedicated support team, who will track his progress and ensure his safety throughout this demanding expedition.

The current undertaking evokes a powerful sense of d\u00e9j\u00e0 vu, as Andrews, clad in lightweight gear and gripping his trekking poles, began his arduous journey from the historic stone chorten at Everest Base Camp. As night fell, his team activated the chronometer, signaling the start of his attempt. He then commenced his ascent, heading towards the treacherous Khumbu Icefall, a critical and formidable section of the route known for its shifting ice and deep crevasses. This familiar ritual underscores the sheer persistence and unwavering determination that defines Andrews' pursuit of this challenging FKT.

This latest endeavor is Andrews' fifth bid in as many months to secure the FKT for an oxygen-free ascent. Each prior attempt has provided valuable lessons and insights, shaping his strategy and resolve for this current push. Approximately an hour before his departure, Andrews shared his reflections and aspirations in a video recorded by his climbing partner, Chris Fisher. Fisher remains at Base Camp, playing a crucial role in monitoring Andrews' progress through real-time tracking data and maintaining radio contact, offering vital support and guidance from afar.

The pursuit of an FKT on Everest without supplementary oxygen is an extraordinary test of human endurance, resilience, and meticulous planning. Andrews' repeated attempts highlight his deep commitment to pushing the boundaries of what is considered possible in high-altitude mountaineering. His journey is not just about speed, but also about the profound mental and physical fortitude required to perform at such extreme altitudes without the life-sustaining advantage of bottled oxygen.

As Tyler Andrews continues his ascent, the mountaineering community watches with bated breath, hoping this fifth attempt will be the one that sees him achieve his remarkable goal. His unwavering spirit serves as an inspiration, demonstrating the power of perseverance in the face of immense challenges. The raw data from his tracker, available to the public, provides a captivating real-time narrative of this incredible human endeavor, allowing enthusiasts to follow every step of his ambitious climb.

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