Tyler C. Andrews

Tyler C. Andrews (born May 4, 1990) is an American long-distance runner. A trail running, ultra-marathon, and mountaineering specialist, he owns multiple world records on big mountains including Everest, and, in 2019, he won the USA Track and Field 50 Mile National Championship by winning Tussey Mountainback 50 Miler.

Andrews has set more than 100 Fastest known time running records, including the speed records for ascent and descent of Manaslu and Ama Dablam in 2024, Kilimanjaro and Aconcagua in 2023, the Mt. Everest Base Camp Trail in 2024, and Ojos del Salado in 2021.

In addition, Andrews qualified for and ran in the 2016 and 2020 United States Olympic Trials Marathon, qualifying with a 10th place, 2-hour, 16-minute, 59-second finish at the 2014 California International Marathon and a 2-hour, 17-minute, 44-second finish to win the 2018 Vermont City Marathon.

Andrews is also a survivor of Aplastic Anemia and an advocate for research and support via the Aplastic Anemia and MDS International Foundation.

Career

Youth and Aplastic Anemia Treatment Andrews grew up in Concord, Massachusetts and was diagnosed with Aplastic anemia, a rare and often fatal blood disease, at age 6 in January, 1997.

High school Andrews attended Concord Academy in Concord, Massachusetts. He ran cross country, but showed little promise as a national caliber runner, with a personal best of only 18:30 for 5 km.

College Andrews attended Skidmore College for one year before transferring to Tufts University where he ran NCAA Division III Cross Country and Track and field and studied mechanical engineering. He qualified for the 10,000m race at the 2012 NCAA Division 3 Track & Field National Championship, where he placed 11th and the 2012 NCAA Division 3 Cross Country Championship, where he placed 104th. He graduated in 2013 with personal best times of 14:45.89 for 5,000m and 30:22.82 for 10,000m.

Professional career

Road Running (2013-2018) Following his collegiate career, Andrews began competing as a professional runner, beginning with his first marathon victory at the Vermont City Marathon, which he would go on to win three times (2014, 2017, 2018). Andrews represented the United States at the 2016 IAU 50 km World Championships in Doha, Qatar, where he earned a silver medal with a time of 2:56:04. and Ama Dablam (6:20:30).

In March 2025, Andrews announced that he would be attempting the fastest ascent of Mount Everest without using supplemental oxygen. Andrews made three unsuccessful record attempts in May, before returning in late September for two more tries. He progressed as high as 26,400 feet, but turned around due to deep snow pack and an elevated risk for avalanches. On May 28, 2026 Andrews summited Mount Everest using supplemental oxygen in a new world record of 9:55:43, improving the previous record of 10:56:46, set by Lhakpa Gelu Sherpa in 2003, by over an hour.

Achievements and records