The Butterfly Wall (バタフライウォール) was a first stage obstacle introduced in SASUKE 14 and SASUKE 15 as the second obstacle. In order to advance, competitors had to jump and grab onto a padded wall that spun around a central vertical axis to reach the platform on the other side. Only six competitors failed on this obstacle in its two tournament span, and was removed in the next tournament.

American Ninja Warrior Appearances

Review Cover 3

The Butterfly Wall during USA vs. The World

ANW8 Butterfly Wall

American Ninja Warrior 8's Butterfly Wall in Stage Two

On American Ninja Warrior 6, the Butterfly Wall appeared, replacing the Balance Tank as the fourth obstacle in Stage Two. However, there were several differences between this obstacle and the one that is used in SASUKE:

  • The rotating wall was shaped more like butterfly wings with rounded corners and inclined ledges.
  • The wall was situated much higher up in relation to the starting platform, requiring a more accelerated and higher jump.
  • Competitors must time their release from the wall to grab a rope, then climbed it up (in a similar fashion with the Rope Climb), and finally dropped down to the landing platform.

It took out any competitor who was shorter than average, or had a bad run up. On its first appearance, only two competitors failed on this obstacle. However, during USA vs. The World, Morimoto Yūsuke failed on this obstacle, due to his shorter height, as he could not reach the top of the wall. On American Ninja Warrior 7, no competitor failed on this obstacle.

On American Ninja Warrior 8, the distance between the starting platform and the wall was greater than on American Ninja Warrior 6 and 7. So, there was a trampoline added to the starting platform. Despite that change, no competitor failed on this obstacle once again.

Because of its high success rate, this obstacle was replaced by the Swing Surfer on the next season.

Competitor's Success Rate

  • All results based on the TBS/NBC broadcast and external information found
SASUKE Clears Attempts Percentage
14 43 46 93.47%
15 27 30 90%
Total 70 76 92.11%

American Ninja Warrior

ANW Clears Attempts Percentage
ANW6 7 9 77.78%
ANW7 20 20 100%
ANW8 6 6 100%
USA vs. The World 5 6 83.33%
USA vs. The World 2 5 5 100%
USA vs. The World 3 5 5 100%
Total 48 51 94.12%

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