Jonathan Sharp Brown, fondly known by his initials “JSB,” was a beloved PE teacher and six-time American Ninja Warrior competitor remembered for his determination, creativity, and charisma.
Competing in seasons 5 through 10, Brown built a reputation as both a fearless athlete and a supportive figure in the Ninja community.
Follow along to learn more about Jonathan’s friends, family, and career.
Known For His Athletic Ability, Jonathan Is Missed Immensely By His Family And Friends
On September 24, 2025, the American Ninja Warrior community was shaken by the news of Jonathan Sharp Brown’s passing, announced to fans and fellow athletes across social media.
Brown tragically died by suicide, prompting an outpouring of grief and heartfelt tributes from countless competitors, including Vance Walker, Michael Johnson, and many others.

Known for his big heart as much as his athletic ability, Jonathan touched the lives of students, friends, and fans alike, leaving behind a legacy of dedication and perseverance.
His passing served as a sobering reminder of the importance of mental health awareness and support within the competitive sports community.
Jonathan is survived by his father, Bob Brown; his mother, Jill Sharp Brown; his wife, Lauren Nicole, and his brother, Bryan Brown.
He also leaves behind a loving extended family, including his uncle Chris Sharp, aunts Sue Sharp and Anne Brown, and cousins Adrian Warwick, Zach Kindt, Aaron Kindt, Alden Sharp, Heath Brown, Phillip Brown, Casey Sharp, Danielle Fountain, and Vanessa Beaudreault.
Each family member and friend continues to honor Jonathan’s memory and the impact he had on their lives.
Brown Has Been Disqualified And Later Got Banned From ANW
Jonathan Brown first competed in American Ninja Warrior 5 in Miami, where he placed 20th in qualifying but showed his grit by conquering the Warped Wall in the finals, advancing to Vegas before falling on the Jumping Spider.
He improved in ANW 6, posting the second-fastest qualifying time at 51.11 seconds behind Drew Drechsel and again reaching Vegas.

In ANW 7, Brown stunned audiences in Orlando with an unorthodox approach to the Rolling Log but fell on the Paddle Boards, missing Vegas for the first time.
In ANW 8, he camped out as a walk-on for 23 days in Atlanta but was eliminated on the Floating Steps in seconds, demonstrating his unwavering commitment despite the setback.
ANW 9 saw him disqualified in Daytona due to a technicality involving the Broken Bridge.
Finally, in ANW 10, Brown attempted to run the course with his cell phone hidden in his shoe. Still, after advancing past several obstacles, he was later disqualified and banned from future competitions for training on leaked obstacles ahead of time.
Despite these ups and downs, Brown’s persistence and creativity cemented him as a memorable figure in Ninja history, embodying both the highs and the struggles of competitive sport.
Additional Infomation
- Despite being barred from competing on American Ninja Warrior after disagreements with production, Brown was still highlighted in Season 17, ranking third on the show’s list of “Most Unforgettable Falls.”
- Following Jonathan Brown’s unconventional approach to the Rolling Log obstacle in ANW 7, producers tightened their safety and standardization rules, officially banning his style of completion and applying stricter guidelines to all challenges. Any attempt not performed in the intended manner would henceforth count as a disqualification—a shift that other competitors have informally nicknamed the “Jon Brown Rule.”
- Jonathan has spent his whole life in his hometown, Merritt Island, Florida.
