There have been three different versions of this obstacle to date. In the first four competitions, it was the first and longest obstacle, sometimes taking as much as half of the allotted time. The obstacle required the competitor to traverse the space between two parallel walls without touching the ground. A segment in the middle moved up and down, usually requiring a shift in direction. Later, it was shortened to five large sets of panels, each of which moved independently of the others. In the version used from the 7th to the 17th Competition, the competitor had to travel up, across, and down two parallel walls in an upside-down "U" shape. The two versions used in the 1st-6th tournaments ended at a pole referred to as the "Fireman's Pole". A can of adhesive spray is available at the start of the obstacle. Bare hands must be used or the contestant will be disqualified.
Note: In the 1st-3rd competitions, throughout the entire obstacle there were only mats to fall on. In the 4th competition, the first half was water, and the second half was padded with mats. From the 5th-17th competitions, the area under the whole obstacle was filled with water.
Note #2: The Spider Walk used in the first 4 tournaments had an ascending portion that the Japanese announcer referred to as the "Spider Climb", however, this area is not related to the "Spider Climb" that was found in the 5th-17th competitions' Final Stage.
Competitions in which this obstacle appears:
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