In American Ninja Warrior 4, This time in Miami, he beat the qualifier in 10th place, but was one of 13 to fail the hardened Jumping Bars in the semi finals and he just missed out on making it to Vegas by placing 16th.
In American Ninja Warrior 5, competing in Baltimore he beat the qualifier again this time in 3rd, he also finished the finals in 8th and in Vegas, he beat the first stage with 19 seconds left. In the second stage, he failed the Double Salmon Ladder after transitioning to the second ladder, he slipped off the rungs trying to straighten the bar.
In American Ninja Warrior 6 , Jamie returned with a renewed costume and cleared the qualifing round in St. Louis and also cleared the finals course. However, he failed on the Jumping Spider on stage 1.
In American Ninja Warrior 8, Jamie completed the Philadelphia finals course as one of only nine finishers to complete the course. He failed the ninth obstacle, the Stair Hopper, but still, once again, earned a spot to the National Finals. In the National Finals, he made a surprised early exit on the third obstacle, the Giant Log Grip.
In American Ninja Warrior 7, Jamie competed in Pittsburgh. He cleared the first 2 obstacles, but had trouble with Snake Crossing and the Wind Chimes, but was able to clear them. Then he became the first veteran to clear the course. He had the slowest time with 6 mins.He failed the Invisible Ladder, but placed 2nd there.He completed Stage 1 and made it past the Double Salmon Ladder this time, but failed the Roulette Row in Stage 2.
|5||Failed Double Salmon Ladder (Second Stage)|
|6||Failed Jumping Spider (First Stage)|
|7||Failed Roulette Row (Second Stage)|
|8||Failed Giant Log Grip (First Stage)|