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Simmotion (also known as Always on the Run) is a recurring individual challenge that originated in Survivor: Tocantins, and reappeared in South PacificCambodia, Ghost IslandDavid vs. Goliath, and Winners at War. The challenge requires strong mental focus and endurance.


Each castaway, usually with one hand tied behind their back, must drop a ball into a metal chute. The ball will travel down a spiraling metal track and exit out of one of two points (a turnstile gate in the middle of the track causes the balls to come out at alternate exits). The castaway must catch the ball and drop it back into the chute at the top. At designated intervals, an additional ball is added to the track until the maximum amount of balls are simultaneously in play. If a ball exits the track and is not caught at any time, the castaway is eliminated from the challenge. The last person standing wins.

In Ghost Island, the challenge was modified to be used as a team challenge. The metal track was replaced with large wooden cascading beams, and the balls were replaced with large spools which would roll down the track. One member would mount the spool on one end, while the other member catches. The members of the pair will alternate tasks. This version of the challenge is significantly more physically demanding as the challenge setup is significantly larger than the original, requiring players to run from one end to the other.


The challenge debuted in Tocantins as the Final Immunity Challenge, with a maximum of eight balls. Erinn Lobdell was the first to drop out on her third ball. The challenge came down to J.T. Thomas and Stephen Fishbach, with Stephen dropping on his fourth ball, giving J.T. immunity.

In South Pacific, the challenge was used as a Redemption Island duel between Christine Shields Markoski and Stacey Powell, with a maximum of six balls. Unlike other iterations of the individual version of this challenge, both castaways were allowed to use both their hands. Christine's strategy of spacing out when to drop her balls ultimately allowed her to win after Stacey dropped on her third ball, permanently eliminating Stacey.

In Cambodia, the challenge was once again used as the Final Immunity Challenge, with a maximum of seven balls. Kelley Wentworth dropped out first, followed by Tasha Fox, both dropping on their fourth ball. It ultimately came down to Jeremy Collins and Spencer Bledsoe, with Spencer dropping on his fifth ball, giving Jeremy immunity.

In Ghost Island, the challenge appeared as the final seven Reward Challenge. Castaways were divided into three teams of two, with Angela Perkins sitting out with no shot at reward. Each team managed to get all five spools rolling at once, but the purple team of Domenick Abbate and Wendell Holland ultimately outlasted the other two teams to reward.

In David vs. Goliath, the challenge again appeared as the Final Immunity Challenge, with a maximum of seven balls. Angelina Keeley dropped out first, followed by Mike White, both dropping on their third ball. The challenge came down to Kara Kay and Nick Wilson, with Kara dropping just before adding her fourth ball, giving Nick immunity.

In Winners at War, the challenge appeared as the Final Immunity Challenge once again, with a maximum of seven balls. Tony Vlachos was the first to drop out on his third ball, followed by Sarah Lacina on her fourth ball. The challenge ultimately came down to Michele Fitzgerald and Natalie Anderson, with Michele dropping on her fifth ball, giving Natalie immunity.


Episode Challenge Type Winners
"I Trust You but I Trust Me More"
Individual Immunity
(Final Immunity)
S18 jt t.png
J.T. Thomas
South Pacific
"Taste the Victory"
Duel S23 christine t.png
Christine Shields Markoski
"Lie, Cheat and Steal"
Individual Immunity
(Final Immunity)
S31 jeremy t.png
Jeremy Collins
Ghost Island
"Always Be Moving"
Team Reward S36 domenick t.pngS36 wendell t.png
Domenick & Wendell
David vs. Goliath
"With Great Power Comes Great Responsibility"
Individual Immunity
(Final Immunity)
S37 nick t.png
Nick Wilson
Winners at War
"It All Boils Down to This"
Individual Immunity
(Final Immunity)
S40 natalie t.png
Natalie Anderson



  • This challenge was created when a prop maker, Simon Ross, created a smaller version of the challenge when Dan Monday saw it and decided to make it a large scale version.
  • The most amount of balls that could have been in play in any iteration of the challenge is eight, in Tocantins.
    • In Cambodia, David vs. Goliath, and Winners at War, the maximum number of balls that could have been in play was seven.
    • In South Pacific, the maximum number of balls that could have been in play was six.
    • In the team version used in Ghost Island, the maximum number of spools that could have been in play was five. This iteration was also the first instance in which the maximum was reached.
  • The longest that the individual version of this challenge has gone is with five balls in play, in Cambodia and Winners at War. The shortest that the individual version has gone is with three balls in play, in South Pacific and David vs. Goliath.
  • South Pacific is the only season where this challenge was not the last challenge of its type. It was the Final Immunity Challenge in Tocantins, Cambodia, David vs. Goliath, and Winners at War, and the final Reward Challenge in Ghost Island.
  • South Pacific is the only season in which this challenge was played individually where the castaways did not have a hand tied behind their back.
  • Christine Shields Markoski is the only person to win this challenge and not reach the Final Tribal Council.
  • Natalie Anderson is the only person to win this challenge for immunity and not become the Sole Survivor.


Recurring Challenges
A Bit Tipsy · A Crate Idea · A Leg Up · A Numbers Game · Air Raid · Angry Chair · Around the Bend · Back in Slack · Balancing Point · Ballin' A Jack · Barrel Bridge · Barrel of Monkeys · Basket Brawl · Better Homes and Island Living · Beyond the Wheel · Blind Leading the Blind · Blue Lagoon Bustle · Blue Plate Special · Boats, Brains & Brawn · Bone to Pick · Boulder Smash · Bow Diddley · Box Your Mind · Braille Maze · Broken China · Buggin' Out · Build It Up, Break It Down · Butch Cassidy · By Any Means Necessary · By the Numbers · Can't Buoy Me Love · Cannonball Run · Caught in the Web · Cell Block Sea · Challenge Pitch · Chief's Choice · Chimney Sweep · Chinese Zodiac Symbols · Choose Your Weapon · Coconut Juice · Crate Escape · Crocodile Rock · Crosswalk · Cube Crisis · Dear Liza · Dive Masters · Domino Effect · Draggin' the Dragon · Dragging the River · Drop A Log · Dulcimer Stomp · End of the Line · Fallen Comrades · Fast Fire · Faulty Towers · Fauxconut Bowling · Fire and Water · Fire Fighter · Float Your Boat · Floating Puzzle · Game of Bridge · Gatecrasher · Get a Grip · Get Barreled · Get Hooked · Get Your Goat · Gimme Three Steps · Great Escape Run · Hands on a Hard Idol · Hear About It Ladder · Hot Pursuit · House of Cards · House of the Holey · Idol Hands · Jail Break · Jump Shot · Jungle Love · Jungle Relay · Kamikaze · Keel Hauling · Keep It Up · Keep on Your Toes · Kicking and Screaming · Kitty Litter · Know Your Loved One · Ladder Tree Golf · Last Gasp · Letter Hunt · Lock, Load and Light · Lock Step · Log Jam · Losing Face · Mask Match · Matchmaker · Matt Finish · Memory · Mud Pack · Mud Slide · Muddy Waters · New School · New Tribe Member · Nut Bucket · O-Black Water · Odd Shaped Bottoms · Operation Balance Build · Out on a Limb · Over-Extended · Paddle Battle · Paddle Out · Perch · Pilfering Pirates · Piranha Feast · Pole Dancing · Pot Head · Push Me, Pull You · Puzzle Dig · Pyramid Scheme · Q and A · Quest for Fire · Race to Shore · Ram-Ball On · Rescue Mission · Rice Race · Rise and Shrine · Rock Bottom · Rock n' Roll · Rod Screw-It · Roll With It · Roller Ball · Running Down a Dream · · Sacrificial Lamb · Schmergen Brawl · Sea Crates · Sea Legs · Sea Salvage · Shipwrecked · Shoot 'n' Shuffle · Shooting Gallery · Shoulder the Load · Simmotion · Slip, Slide & Score · Slither Me Timbers · Smash and Grab · Snag, Drag and Bag · Snake in the Grass · Snake Island Relay · SOS Signal · Spear-it Hunt · Spit It Out · Splash Back · Sprung A Leak · Squared Off · Squatty Probst · Stacked Up · Stairway to Heaven · Stairway to the Stars · Station By Station · Step on Up · Stomp-ede · Strung Out · Sumo at Sea · Survivor Auction · Survivor History · Survivor Pentathlon · Survivor Quiz Show · Swahili Scramble · Swing Break · Temple Transfer · The Ball Drop · The Cruel Sea · The Game is Afoot · The Gauntlet · The Home Stretch · The Maze · The Obstacle Course · This Much · Thrash, Splash & Bash · TLP O-Course · Tomb Raider · Troubled Water · Uncomfortably Numb · United We Stand · Vampire Bats · Vertically Challenged · Vertigo · Wall to Wall · Well Stacked · What-er Drag · When It Rains, It Pours · Wicker Flicker · Will It Go Round · Witch Hunt · Wrist Assured · Yank Your Hank · You Shook Me