Reko Rivera is a Mobile DJ who has competed on seven seasons of American Ninja Warrior. Reko is most known for his run in a T-Rex costume on the Atlanta course.

American Ninja Warrior 4

Rivera first participated in American Ninja Warrior 4, where he fell on the Swing Circle.

American Ninja Warrior 5

Rivera later had returned in American Ninja Warrior 5, where although his run was digested, he was one of the many competitors to fall on the Slider Jump in Miami.

American Ninja Warrior 6

In American Ninja Warrior 6, he managed to beat qualifying course, placing 26th in qualifying. However, in the city finals, he was one of the many to trip on the Buyoishi.

American Ninja Warrior 7

In American Ninja Warrior 7, he once again beat qualifying, holding the 16th fastest time. Unfortunately, he was one of the many to fail Cannonball Alley, and just barely missed out on Vegas, placing 16th overall.

American Ninja Warrior 8

Rivera was known by many in American Ninja Warrior 8 as the man running the course within the Atlanta course. His actual run was completely cut from broadcast during qualifying, but Rivera was recognized by many on the internet as the man in the T-Rex costume that passed the Floating Steps, Big Dipper, Block Run, and even scaling the Warped Wall.

In qualifying, he placed 14th overall. Unfortunately, Rivera himself once again failed to reach Vegas in the city finals, as he fell on the Salmon Ladder. He placed 17th overall in the finals.

American Ninja Warrior 9

In ANW 9 Reko returned in Daytona. Although his qualifying run was cut, it was shown that he cleared the qualifying course for the fourth consecutive year. Reko placed 8th overall in the city qualifiers.

Although his run was digested in the city finals, he redeemed himself on the Salmon Ladder, but failed the Giant Cubes. However, Reko managed to place 12th overall and after 5 previous seasons, he managed to earn his first shot in the national finals.

His run in the national finals was cut, but he was one of the few to fail the first obstacle, Snake Run, when he lost his balance and fell right off the course.

A T-Rex Dinosaur Crashes The American Ninja Warrior Course - American Ninja Warrior

A T-Rex Dinosaur Crashes The American Ninja Warrior Course - American Ninja Warrior

His run in the T-Rex costume currently has over 200,000 views on YouTube.

American Ninja Warrior 10

Reko Rivera competed in Miami in American Ninja Warrior 10. His run was digested, but he was one of many to fail the Slippery Summit, making it his first time in 5 years failing to complete the qualifying course. Rivera still was able to place 27th overall and advance to the city finals.