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Not to be confused with Sosoritatsu Kabe.

Soritatsu Kabe (そり立つ壁), called Warped Wall in English broadcasts, is one of the oldest and the most difficult obstacles in SASUKE history.

Introduced in SASUKE 5, Soritatsu Kabe has been in every SASUKE tournament since then, only not appearing in four tournaments, which were SASUKE 18 where Great Wall took its place and SASUKE 28 to SASUKE 30 where Ni Ren Soritatsu Kabe (see below) took its place, making it the obstacle with the second most appearances in SASUKE, only behind Wall Lifting.

Its function is simple: competitors must scale a concave quarter-pipe by running up and grabbing the top of the wall. However, this has proven to be one of the most difficult obstacles in history, as every competitor who achieved Kanzenseiha and most of the top competitors failed here at least once, including every member of SASUKE All-Stars except Yamamoto Shingo.

This is one of the most iconic obstacles in the show's history, showing up in places including:

  • Muscle Park.
  • American Ninja Challenge.
  • All of SASUKE's international formats, such as:
    • American Ninja Warrior.
    • Ninja Warrior UK.
    • Ninja Warrior Sweden.
    • Australian Ninja Warrior.
    • Ninja Warrior Poland
    • SASUKE Ninja Warrior Indonesia.
    • SASUKE Ninja Warrior Mongolia.


Many competitors, including five of the All-Stars, have built this in their backyards to help training for this obstacle at some point in their career.

Interestingly, if the competitors went off the obstacle, as Takeda Toshihiro did in SASUKE 7, they would be allowed to climb back up to the obstacle and try again without disqualification, meaning that there was no possible way to fail here other than running out of time.


Original Version

Soritatsu Kabe's blueprint

Takeda Toshihiro attempting Soritatsu Kabe in SASUKE 5

Yamamoto Shingo attempting modified Soritatsu Kabe in SASUKE 13

In the original version of the obstacle, competitors had 2.7 metres to run in order to scale a 4.3 metres (actual height is 5 metres) wall. Many competitors found that in order to have success on the obstacle, competitors would need to run up and jump at their highest point in order to reach the top.

Originally, the wall was painted silver with a green platform, but when First Stage was redesigned in SASUKE 13, it was painted black in line with the course modification that tournament.


Advantages

  • In SASUKE 13, the producers added in Nejireta Kabe to the course.
    • This made Soritatsu Kabe slightly easier, as competitors were able to use the landing platform of Nejireta Kabe to get more speed running to Soritatsu Kabe, making reaching the top easier.
  • In SASUKE 16, there was a long runway after Reverse Fly, in which the competitors could use it to gain more speed, making Soritatsu Kabe very easy.
    • As a proof, this tournament almost had 100% Clear Rate as only Suzuki Yusuke failed it in an All-Cut performance.
  • Also, starting in SASUKE 13, the producers would remove a piece off the top of the wall for competitors under the age of 17, over the age of 50, and woman competitors.
    • This made the wall about half a metre shorter.


Weather Debacles

  • Soritatsu Kabe proved to be very tough in SASUKE 8 due to the heavy rains that day. This significantly reduced competitor’s grip on the obstacle.
  • It also became particularly tricky in SASUKE 15. Due to the extreme heat, competitors became very winded by the time they reached Soritatsu Kabe, possibly due to exhaustion. This caused several time outs of top competitors.


Current Version

Hirata Atsushi attempting modified Soritatsu Kabe in SASUKE 19

A tester demonstrating Soritatsu Kabe
in SASUKE 24

Soritatsu Kabe was brought back in SASUKE 19 after being replaced by Great Wall in SASUKE 18.

This new version of the obstacle was harder, as the height was raised to 4.5 metres, 20 cm higher than the original - the actual height is now 5.2 metres.

In its first tournament, it proved to be a problem for SASUKE All-Stars Shiratori Bunpei and Takeda Toshihiro as they failed there several times before finally beating it with little time left.


Advantages

  • From SASUKE 19 to SASUKE 21 was a long runway after Half-Pipe Attack's platform that competitors could use to gain speed, however, it was rarely attempted.
  • From SASUKE 22 to SASUKE 24, Half-Pipe Attack's modification made the long runway disappear, however, a small platform next to Soritatsu Kabe was provided to help get them more speed going into the wall, similar to how Nejireta Kabe would do the same for Soritatsu Kabe in SASUKE 13-15.
  • A portion of the wall is removed to make it easier for woman competitors to climb atop with, similar to KUNOICHI version.


Disadvantages

  • During its return in SASUKE 31, the height of the wall was increased to 5.5 metres. This increased height, combined with the introduction of Tackle that replaced Ni Ren Soritatsu Kabe's first wall which is designed as a massive energy drain for the competitors, made most competitors tired by the time they attempted it. Many competitors eventually timed out there, including Nagano Makoto, Urushihara Yuuji, and Matachi Ryo.
    • However, the wall's height was retracted back to its original 5.2 metres in the following tournament, making the combination slightly easier, though this was offset by the weight of Tackle drastically increasing in comparison to SASUKE 31.
  • The rain during the taping in some of the tournaments was a huge problem for competitors, the obstacle being slick raised the difficulty.
    • In SASUKE 32, this caused the last seven competitors to attempt the First Stage in the following day for the sake of safety and fairness.
    • In SASUKE 37, this caused turbulence as almost half of the competitors attempting this obstacle fail to scale it, including Morimoto Yūsuke who had never failed the First Stage since his return in SASUKE 27.


Success of Women

In SASUKE 32, Kacy Catanzaro became the first female competitor to complete this obstacle within the allocated time limit in an official SASUKE tournament, not counting Watanabe Mika's completion during the SASUKE 13 Trials, before timed out on Lumberjack Climb. However, Oshima Ayano was officially announced to be the first female competitor to clear the obstacle, doing so in SASUKE 31, even though she timed out before climbing atop of the wall.

In SASUKE 34, Jessie Graff became the second woman to complete the obstacle within the time limit, then follow this up by clearing the First Stage in that tournament (both replicated in SASUKE 37), becoming the first woman to clear the First Stage since the introduction of Soritatsu Kabe in SASUKE 5, as well as becoming the second woman after Tanabe Chie in SASUKE 2 to clear the First Stage.


Ni Ren Soritatsu Kabe


Ni Ren Soritatsu Kabe (2連そり立つ), literally Double Warped Wall, a modification of Soritatsu Kabe, would later appear from SASUKE 28 to SASUKE 30. As the name implied, there were two walls instead of one. The first wall's height was 4 metres. After scaling up the first wall, competitors needed to slide down a pole that would lead to the second wall, which height was equivalent to the current version, which is 4.5 metres.

This obstacle took out Nagano Makoto, who hadn't failed on Soritatsu Kabe since SASUKE 8, in the first two tournaments it was present in. It should be noted that Nagano had badly injured his hamstring during his second attempt at the second wall in SASUKE 29, due to the extreme landing during Long Jump. It also took down notable competitors such as Nakayama Kinnikun and Tomoyuki.

After SASUKE 30, the first wall was removed to make room for Tackle.

Nakayama Kinnikun attempting the first wall of Ni Ren Soritatsu Kabe in SASUKE 29.png

Comparison between the two walls during Nakayama Kinnikun's run in SASUKE 29

KUNOICHI Appearance


Soritatsu Kabe (反り立つ壁) will later appeared for the very first time as the sixth obstacle of the RED Stage (First Stage) in KUNOICHI 2017 Spring. This version of the obstacle was modified for the woman competitors and was lower than the original version's height, somewhat identical to SASUKE's modified version for women.

During the official broadcast, the name for Soritatsu Kabe differs from the original SASUKE name. It was also given a custom translated English name, Steep Wall.

Even though at first competitors struggled, as the tournament progressed, competitors started to learned it better and it didn't eliminate any competitor in KUNOICHI 2017 Summer and 2018.

Oshima Ayano attempting Soritatsu Kabe in KUNOICHI 2017 Spring

Competitors' Success Rate

  • All results based on the TBS broadcast and external information found.

SASUKE

Original Version
SASUKE Clears Attempts Percentage
5 5 10 50%
6 7 11 63.64%
7 11 17 64.71%
8 10 15 66.67%
9 7 10 70%
10 10 11 90.91%
11 13 17 76.47%
12 15 16 93.75%
13 11 15 73.33%
14 15 18 83.33%
15 11 17 64.71%
16 22 23 95.65%
17 14 20 70%
Total 150 199 75.38%
  • Notes: In a special before SASUKE 15, the completion percentage from SASUKE 5 to SASUKE 14 was said to be 110 clears out of 192 attempts for a percentage of 57.29%, however, it was unknown how competitors did in each specific tournament, so only the total number was counted with this information.


Current Version
SASUKE Clears Attempts Percentage
19 12 16 75%
20 13 18 72.22%
21 22 28 78.57%
22 23 26 88.46%
23 33 35 94.29%
24 16 20 80%
25 16 22 72.73%
26 14 16 87.5%
27 30 36 83.33%
31 20 33 60.61%
32 18 29 62.07%
33 15 23 65.22%
34 28 37 75.68%
35 8 11 72.73%
36 15 20 75%
37 10 19 52.63%
38 14 19 73.68%
Total 307 408 75.25%


Ni Ren Soritatsu Kabe
SASUKE Clears Attempts Percentage
28 7 12 58.33%
29 22 26 84.62%
30 33 38 86.84%
Total 62 76 81.58%


KUNOICHI

KUNOICHI Clears Attempts Percentage
2017 Spring 8 9 88.89%
2017 Summer 6 6 100%

2018

14 14 100%
Total 28 29 96.55%


Other Appearances

Soritatsu Kabe

American Ninja Warrior

American Ninja Warrior 1's Warped Wall

American Ninja Warrior 4's Warped Wall

American Ninja Warrior 6's Warped Wall

American Ninja Warrior 8's Warped Wall (the white line indicates the old 14 feet high)

The Warped Wall is one of the most iconic obstacle on American Ninja Warrior. Many competitors have built this obstacle in their backyard/ninja gym to help training for this obstacle specifically. However, between American Ninja Warrior and SASUKE version of the Warped Wall, there are several differences:

  • The wall's height is just 14 feet (4.26 meters). Starting on American Ninja Warrior 8, the wall's height is increased to 14.5 feet (4.41 meters).
  • Competitors have just three attempts, five on American Ninja Warrior 1, to complete it due to the fact that as the clock counts up during qualifying, there is no way to being timed out.
  • Any competitor who slipped off the side of the wall will be disqualified, as opposed to being allowed to try again.
  • The wall has longer runway than in SASUKE for qualifying.
  • The Warped Wall is the sixth obstacle, except on American Ninja Warrior 4 in Northeast and Southeast regions, where it was the seventh obstacle, with the Wall Lift taking its place.


American Ninja Warrior 4's Warped Wall in Stage One

American Ninja Warrior 8's Warped Wall in Stage One

The SASUKE version of the Warped Wall is also used as the sixth obstacle in Stage One since American Ninja Warrior 4 (except on American Ninja Warrior 12), with the shorter runway than in qualifying, about half in length than in qualifying, and no three-attempt rule as in qualifying; the only way to fail is to time out. While the shorter run-up has not been an issue for most male competitors, it has posed a challenge for many female competitors compared to qualifying.

On American Ninja Warrior 6, Meagan Martin became the first female competitor to attempt this version of Warped Wall, and failed (timed out).

On American Ninja Warrior 7, Jessie Graff became the second female competitor to attempt it, but failed (timed out), and so did Meagan Martin for the second straight season.

On American Ninja Warrior 8, Jessie Graff became the first female competitor to complete the Warped Wall in Stage One, and later the stage, becoming the first female competitor to complete Stage One in American Ninja Warrior history.

On American Ninja Warrior 9, a record five female competitors could get past the Warped Wall in Stage One, Barclay Stockett, Jesse Labreck, Allyssa Beird, Meagan Martin, and Jessie Graff. Eventually, four of them, all except Meagan Martin, could reach the final obstacle, the Flying Squirrel, and Allyssa Beird was the only one who could complete it and hit the buzzer, making her just the second woman to complete Stage One in American Ninja Warrior history.


The Warped Wall is one of the toughest obstacles for women, mostly due to their height and technique. However, there are some notable attempts by woman competitors:

Kacy Catanzaro became the first female competitor to scale the Warped Wall in American Ninja Warrior history during American Ninja Warrior 6's Dallas qualifiers


Other SASUKE's International Formats

Ninja Warrior UK 3's Warped Wall

Australian Ninja Warrior 2's Warped Wall with curved run-up

Ninja Warrior Poland 2's Warped Wall

SASUKE Ninja Warrior Indonesia 2's Warped Wall in Semifinal Stage 1 in International Competition

SASUKE Ninja Warrior Mongolia's Warped Wall in Stage 1

The Warped Wall has been used on all of SASUKE's international formats, with most of them had a similar specification from American Ninja Warrior's city qualifying course, along with the three-attempt rule, although there was a difference between the wall's height for each format, including:

  • Ninja Warrior UK (4 meter tall in Heats and Semifinals, 4.25 meter tall in Grand Final)
  • Australian Ninja Warrior
  • Ninja Warrior Poland
    • In all seasons, the wall height was 4.25 meters for male competitors and 4 meters for female competitors.
  • Ninja Warrior France (4.25 meter tall)
  • Ninja Warrior Germany
  • Ninja Warrior Sweden
  • SASUKE Ninja Warrior Indonesia (3.8 meter tall in pre-Semifinal, 4.3 meter tall in Semifinal, with the run-up was made curved similar to SASUKE version.)
  • SASUKE Ninja Warrior Mongolia (where the run-up was made curved similar to SASUKE version)

On most of the SASUKE/Ninja Warrior's international formats in English-speaking countries (such as American Ninja Warrior, Ninja Warrior UK, and Australian Ninja Warrior), every time the competitors reached the Warped Wall, the crowds/spectators would point to the obstacle and shout "Beat the Wall" repeatedly, or "Beat That Wall" on American Ninja Warrior, in order to give the competitors the motivation and morale boost to complete the obstacle.


Ni Ren Soritatsu Kabe

SASUKE Vietnam

SASUKE Vietnam 2's Double Warped Wall

From SASUKE Vietnam 1 to SASUKE Vietnam 3, The Ni Ren Soritatsu Kabe, called locally Hai Tường Cong, or simply as Tường Cong, appeared as the sixth and final obstacle in Stage 2.

The height of the first and second walls was 3.5 and 4.1 metres respectively, as revealed during SASUKE Vietnam 3, lower than the ones used in SASUKE. Due to the low difficulty, competitors were given just three attempts on each wall to complete the obstacle, despite the time limit in Stage 2 on SASUKE Vietnam 1, SASUKE Vietnam 2 and in Stage 1A on SASUKE Vietnam 5. Also, unlike in SASUKE, any competitor who slipped off the side of the wall would be disqualified.

SASUKE Vietnam 4's Double Warped Wall

On SASUKE Vietnam 4, the obstacle was moved to the fifth and final obstacle in Stage 2. For the first time, the obstacle was changed the design, when the old SASUKE Vietnam's logo used on previous two seasons was removed due to changing the new logo, and the white rim was replaced by the yellow rim. The design was similar to the Soritatsu Kabe from KUNOICHI. The producers also replaced the stone pattern decorating the sideways of the wall by the blue pattern.

SASUKE Vietnam 5's Double Warped Wall

On SASUKE Vietnam 5, the obstacle was moved to the fifth and final obstacle in Stage 1A. This time, the color of the pattern decorating the sideways of the wall was changed to yellow.


SASUKE Ninja Warrior Indonesia

SASUKE Ninja Warrior Indonesia's Double Warped Wall in Semifinal Stage 2

On SASUKE Ninja Warrior Indonesia, the Ni Ren Soritatsu Kabe, called Double Warped Wall, appeared as the fifth and final obstacle during Semifinal Stage 2. The height of two walls was 3.8 and 4.3 metres respectively.


Mega Wall

American Ninja Warrior

American Ninja Warrior 10's Warped Wall (left) and Mega Wall (right)

On American Ninja Warrior 10, new modifications were added to the Warped Wall during city qualifiers round:

  • There were two Warped Walls placed side-by-side in the course:
    • the regular Warped Wall (at 14.5 feet/4.41 meters high), and
    • the Mega Warped Wall, or simply Mega Wall, at 18 feet/5.49 meters high.
  • If the competitors could reach the Warped Wall, they must decide which Warped Wall they would like to attempt:
    • If they decided to attempt the regular Warped Wall, as usual, they were given three attempts to complete it.
    • If they decided to attempt the Mega Wall, they were given just one attempt to complete it. If they succeeded, they would receive the cash prize of $10,000. If they failed, they couldn't reattempt the Mega Wall and were given just one attempt to complete the regular Warped Wall.
  • During city finals round, even though the Mega Wall was structurally presented to the course, the Mega Wall was not used in the course, making the regular Warped Wall as the only sixth obstacle in the course.

During its first season appearance, only six competitors have completed the Mega Wall and each of them has earned $10,000:

Only two competitors failed to complete the Mega Wall and the regular Warped Wall under this rule: Venn Johns, during Dallas qualifiers, and Austin Gray, during Minneapolis qualifiers.

On American Ninja Warrior 11, new completion rules were added to the Mega Wall during city qualifiers round:

  • Competitors were given 3 attempts to complete either the regular Warped Wall or Mega Wall.
  • If they decided to attempt the Mega Wall and failed to complete it after 3 attempts, they couldn't return to the regular Warped Wall this time.
  • The cash prizes for completing the Mega Wall would decrease as competitors used up more of the attempts. The cash prizes were listed as followed:
    • Completion on the first attempt: $10,000.
    • Completion on the second attempt: $5,000.
    • Completion on the third and final attempt: $2,500.

During its second season appearance, 29 competitors had attempted the Mega Wall, and 9 of them completed it:

Among these 9 competitors, Lance Pekus completed the Mega Wall on his third attempt, Caleb Bergstrom, Karsten Williams, and Grant McCartney completed the Mega Wall on their second attempts, while the others completed it on their first attempts.

This modification eliminated a lot of top competitors, including Jody Avila, Flip Rodriguez, Mathis Owhadi, Karson Voiles, Neil Craver, Najee Richardson, Joe Moravsky, Dan Yager, Reko Rivera, and Michael Torres.

However, this rule was reverted to the original one on American Ninja Warrior 12, likely due to the format change caused by the COVID-19 pandemic. This time, only three competitors have completed the Mega Wall and each of them has earned $10,000:

A lot of top competitors failed to complete the Mega Wall under the return of original rule, including Daniel Gil, who completed the Mega Wall twice before, Jon Alexis Jr., Kevin Bull, Mike Wright, Julius Ferguson, Grant McCartney, Mathis Owhadi, Austin Gray, Donovan Metoyer, Najee Richardson, Dan Polizzi, David Wright, and Lance Pekus. However, all of them were able to complete the regular Warped Wall.

The Mega Wall returned during qualifiers on American Ninja Warrior 13, with the same rules as the previous season. This time, only four competitors completed it and have earned $10,000:

  • Joe Moravsky (during Episode 2; he's also the fourth competitor to complete the Mega Wall twice, having previously completed the Mega Wall during the fourth qualifying episode on American Ninja Warrior 12)

Several competitors who had previously completed the Mega Wall failed earlier on the course and did not get to attempt it, including Daniel Gil, Lance Pekus, Grant McCartney, and Nick Hanson. However, many veterans did attempt the Mega Wall but failed to complete it, including Kevin Carbone, Adam Rayl, and David Campbell, all of whom had previously completed it.


Australian Ninja Warrior

Australian Ninja Warrior 3's Warped Wall (left) and Mega Warped Wall (right)

On Australian Ninja Warrior 3, the Mega Wall (named as the Mega Warped Wall) appeared along with the regular Warped Wall as the sixth obstacle during the heats, with the obstacle being 5.25 meters in height and using the same completion rules from American Ninja Warrior 11, though the prize money would not decrease as competitors used up more of the attempts. Competitors who completed the Mega Warped Wall would receive the cash prize of AU$5,000.

In total, 23 competitors had attempted the Mega Warped Wall, and 12 of them completed it:


Ninja Warrior France

On Ninja Warrior France 4, the Mega Wall (named as the Le Méga Mur) appeared along with the regular Warped Wall as the fifth obstacle during the qualification rounds. It was a 5.5-meter wall, with the same completion rules from American Ninja Warrior 10. Competitors only had one attempt to try their luck at the Mega Wall and got a spot directly to the final, as well as € 5,000 cash prize. However, if they failed, they will then only be entitled to one attempt for the classic Warped Wall.

Only 3 competitors completed the Mega Wall during this season:

  • Charles Poujade,
  • Thomas Dudoué, and
  • IbraTV.

This would return on Ninja Warrior France 5, now as the sixth and final obstacle during the qualification rounds, with the same completion rules from American Ninja Warrior 11. The cash prizes for completing the Mega Wall would decrease as competitors used up more of the attempts. The cash prizes were listed as followed:

  • Completion on the first attempt: €5,000.
  • Completion on the second attempt: €2,500.
  • Completion on the third and final attempt: €1,000.

In addition, if they cleared the Mega Wall on their first attempt, they would automatically advance to the finals, but if they cleared the Mega Wall on their second or third attempt, their run would still be counted into the leaderboard, which is shown during Solan Dejouy's run as he ended up placing fifth on the leaderboard even though he cleared the Mega Wall on his second attempt.

Only 4 competitors completed the Mega Wall during this season:

  • Maxime Ben-Medjani (first attempt),
  • Soen Brière-Robert (first attempt),
  • Solan Dejouy (second attempt), and
  • Benyamine Elouafi (first attempt).

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