Tyler Wall, a 38-year-old fitness coach, died suddenly while taking part in a MrBeast fitness challenge. He had been coaching a participant in a weight loss contest when he died.

The personal trainer lost his life while taking part in a challenge that required him to lose 100 pounds in 200 days.

MrBeast's latest video—titled "Lose 100 LBs, Win $250,00!"—took a tragic turn after the fitness trainer featured in it unexpectedly passed away.

Tyler Wall, a fitness instructor, died unexpectedly during MrBeast's challenge. His death has sparked speculation on social media about the cause of his death.

The fitness world mourns Tyler Wall, whose sudden demise occurred during MrBeast's weight loss challenge filming. Known for ...

A Connecticut native and physical trainer who became a central figure in an inspirational video for the popular YouTuber ...

"Coach was side by side with me, and now he isn't here," said Majd Khader, the man who won $417,650 in the challenge.

Tyler Wall, a fitness personality, has died due to mitragynine toxicity. For those unaware, the 38-year-old was a fitness coach, and according to reports, a University of Connecticut alumnus.

His legacy of compassion and encouragement will live on in the hearts of all who were fortunate enough to know him, the video description said.

Tyler Wall's sister, Kaitlyn Lindsay, launched a GoFundMe campaign in February 2025 to help pay for the late fitness personality's funeral and celebration of life.

Various speculations began surfacing on social media after the death of fitness coach Tyler Wall, who died during MrBeast’s recent challenge.