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ANW7 Sonic Curve

American Ninja Warrior 7's Sonic Curve in Stage One

ANW8 Sonic Curve

American Ninja Warrior 8's Sonic Curve in Stage One

The Sonic Curve is an obstacle, firstly introduced as the fifth obstacle in Stage One on American Ninja Warrior 7 (replacing the Half Pipe Attack from the past three American Ninja Warrior seasons), and appeared again on American Ninja Warrior 8, once again as the fifth obstacle in Stage One.

Competitors must run in a full speed along a series of six angled steps that were increasing in height, decreasing in width, and arranged in a semicircle, in order to make a jump to a rope. Once they were on the rope, they could swing it to reach the landing platform.

The concept of the Sonic Curve was similar to its predecessor (the Half Pipe Attack), with the rope and landing platform remained the same.

Parkour Run

ANW9 Parkour Run

American Ninja Warrior 9's Parkour Run in Stage One

A variant of the Sonic Curve, known as the Parkour Run, appeared as the fifth obstacle in Stage One on American Ninja Warrior 9, replacing the Sonic Curve itself from the past two Amrican Ninja Warrior seasons. The obstacle was similar to the Sonic Curve, but it had several key differences:

  • The Parkour Run consisted of five angled steps and a rope, with the last step being larger than the others.
  • The first four steps were similar to the ones from Snake Run, except the shape was elliptical, rather than circular.
  • The fourth step was positioned away from the other steps and tilted in the other direction, making it similar to the Floating Steps and forcing the competitors to switch their momentum.
  • The rope wass attached to a spinning wheel, like the Metal Spin.

A unique completion on the obstacle occurred during JJ Woods' run. When he got to the fourth step, he was able to jump off the step to the landing platform, rather than using the traditional method of reaching the fifth step and grabbing the rope to the landing platform. Later, this technique was also done by Drew Drechsel, as well as all the competitors who attempted the obstacle during USA vs. The World 4

This variant of the Sonic Curve was proven to be extremely easy, as no competitor failed on this obstacle. Because of this, the obstacle was replaced by the Jeep Run on the next season.

Other Appearances

SNWI2017 Sonic Curve

SASUKE Ninja Warrior Indonesia 2017's Sonic Curve in Semifinal Stage 1

On SASUKE Ninja Warrior Indonesia 2017, the Sonic Curve appeared as the fourth obstacle during Semifinal Stage 1.

However, unlike on American Ninja Warrior, the steps were made larger and less steeper, as well as the landing platform was made wider. Also, competitors were not allowed to touch the steps with their hands (if they did so, the would be disqualified). This version of the Sonic Curve was proven to be much easier than on American Ninja Warrior, as only 2 competitors failed on this obstacle.

During SASUKE Ninja Warrior Indonesia: Misi Operasi Midoriyama 2 and SASUKE Ninja Warrior Indonesia: International Competition, the number of steps was reduced from 6 to 4 by removing the last 2 steps, resulting the competitors must swing farther from the rope to the landing platform. 

Competitors' Success Rate

  • All results based on the NBC broadcast and external information found

Sonic Curve

ANW Clears Attempts Percentage
ANW7 49 57 85.96%
ANW8 29 32 90.63%
USA vs. The World 2 3 3 100%
USA vs. The World 3 4 4 100%
Total 85 96 88.96%

Parkour Run

ANW Clears Attempts Percentage
ANW9 53 53 100%
USA vs. The World 4 6 6 100%
Total 59 59 100%

Trivia

  • During Meagan Martin's run in Stage One on American Ninja Warrior 7, when she got to Sonic Curve, Akbar Gbaja-Biamila commented, "Ride the Sonic Curve like Sonic the Hedgehog", referencing the SEGA video game character of the same name.
  • The Sonic Curve became an inspiration for the debut of the Snake Run on American Ninja Warrior 8, which was instead of an angled tile, competitors have to run along a series of angled disks that differed in angles and were arranged in a 'S' track.
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