Tough Mudder
Roy Wallack, from Irvine, slides through the Ring of Fire as he and other volunteers tryout new features during the Tough Mudder Beta Test in Temecula on Saturday, November 1, 2014. (Hayne Palmour IV / UT San Diego)
Team A members Crystal and Tony Rodriguez, from Bakersfield, stretch before they and other Tough Mudder veterans participate in the Tough Mudder Beta Test. (Hayne Palmour IV / UT San Diego)
Team C members Kevin Warnecke, right, and Jeff Baumann slide down a water slide called Greased Lightning. (Hayne Palmour IV / UT San Diego)
Team C members Kevin Warnecke, front, and Jeff Baumann fly into a pool of water after sliding down a water slide called Greased Lightning. (Hayne Palmour IV / UT San Diego)
Amro Abdel, 39, from Chino Hills, flies off a water slide, called Greased Lightning, and into a pool of water. (Hayne Palmour IV / UT San Diego)
Team C members run the Mud Mile. (Hayne Palmour IV / UT San Diego)
An all women’s team run to the next obstacle. (Hayne Palmour IV / UT San Diego)
Navy Senior Chief Petty Officer Joshua Jackson, center, uses rings to swing his way across an obstacle. (Hayne Palmour IV / UT San Diego)
Participants in the Tough Mudder Beta Test use rings to swing their way across an obstacle. (Hayne Palmour IV / UT San Diego)
Team C member Kevin Warnecke crawls through the Birth Canal. (Hayne Palmour IV / UT San Diego)
A participant tries to get across the steep wall, called Meat Slab, by using ropes. (Hayne Palmour IV / UT San Diego)
Craig Bollesen tries to not go into the mud puddle below as attempts to get across a steep wall, called Meat Slab, by using ropes. (Hayne Palmour IV / UT San Diego)
A participant lands in the water after trying to get across a steep wall called Meat Slab. (Hayne Palmour IV / UT San Diego)
Running shoes stayed wet during the Tough Mudder Beta Test. (Hayne Palmour IV / UT San Diego)
The mud streaks on a steep walled obstacle, called Meat Slab, resembles modern art and shows the level of difficulty. (Hayne Palmour IV / UT San Diego)
Amro Abdel points up as he and fellow Team C members run to the next obstacle. (Hayne Palmour IV / UT San Diego)
Team C members Sunny Kim, Jeff Baumann, left, and Amro Abdel, crawl through the Kiss the Mud 2.0 obstacle. (Hayne Palmour IV / UT San Diego)
Team C members are covered in mud after going through Kiss the Mud 2.0. (Hayne Palmour IV / UT San Diego)
A participant slides back down the Mount Everest 2.0 wall as she attempts to grab the hands of teammates. (Hayne Palmour IV / UT San Diego)
Teamwork is a must to get over the Mount Everest 2.0 wall. (Hayne Palmour IV / UT San Diego)
Sunny Kim slides back into the mud again after trying to get on top of the Mount Everest 2.0 wall. (Hayne Palmour IV / UT San Diego)
Particpants are pulled up at the Mount Everest 2.0 wall. (Hayne Palmour IV / UT San Diego)
A particpant runs up to waiting teammates at the Mount Everest 2.0 wall. (Hayne Palmour IV / UT San Diego)
Team C members get shocked by hanging wires while running through Electroshock Therapy. (Hayne Palmour IV / UT San Diego)
A Team C member Kevin Warnecke gets shocked by hanging wires while running through Electroshock Therapy. (Hayne Palmour IV / UT San Diego)
Bridgette Padilla screams as she gets shocked by hanging wires as she runs through Electroshock Therapy. (Hayne Palmour IV / UT San Diego)
A participant gets through the hanging electrified wires of Electroshock Therapy during the Tough Mudder Beta Test. (Hayne Palmour IV / UT San Diego)
A participant prepares to slide through the Ring of Fire. (Hayne Palmour IV / UT San Diego)
Joshua Montano slides through the Ring of Fire. (Hayne Palmour IV / UT San Diego)
Ernie Castro, from Los Angeles, shows off his biceps after sliding through the Ring of Fire. (Hayne Palmour IV / UT San Diego)
After lunch, Shaun Radcliffe and Andrea Foster try to get warm before running the second obstacle course. (Hayne Palmour IV / UT San Diego)
Participants haul logs during the Tough Mudder Beta Test. (Hayne Palmour IV / UT San Diego)
Jennifer Deasy, left, is pulled up Hanna Cooper and the rest of her team at the Pyramid Scheme obstacle. (Hayne Palmour IV / UT San Diego)
The all women team celebrates getting all members over the Pyramid Scheme. (Hayne Palmour IV / UT San Diego)
A team runs to the top of a hill during the Tough Mudder Beta Test. (Hayne Palmour IV / UT San Diego)
Team C members Jenna Bees, left, and Sunny Kim get over the Hangover. (Hayne Palmour IV / UT San Diego)
Participants are suspended over simulated sewage water as they make their way across the Swingers obstacle. (Hayne Palmour IV / UT San Diego)
Jonnie Hanson falls into simulated sewage water while trying to make her way across the Swingers obstacle. (Hayne Palmour IV / UT San Diego)
Jennifer Deasy, 24, from San Jose, screams as she tries to move across the Swingers obstacle and not end up in simulated sewage water. (Hayne Palmour IV / UT San Diego)
A participant crawls out of a pipe before having to fall into water. (Hayne Palmour IV / UT San Diego)
Two particpants fall into water after crawling through a pipe. (Hayne Palmour IV / UT San Diego)
A participant falls into simulated sewage water after crawling through a pipe. (Hayne Palmour IV / UT San Diego)
A team runs toward the Arctic Enema obstacle. (Hayne Palmour IV / UT San Diego)
Participants swim through ice cubes at the Arctic Enema obstacle. (Hayne Palmour IV / UT San Diego)
Participants swim through a dumpster filled with ice cubes called Arctic Enema. (Hayne Palmour IV / UT San Diego)
Stephen Hulsey, 72, gets help out of the ice cube filled dumpster called Arctic Enema. (Hayne Palmour IV / UT San Diego)
Roy Wallack, from Irvine, screams from the shock of ice water while swimming through the Arctic Enema obstacle. (Hayne Palmour IV / UT San Diego)
Roy Wallack, from Irvine, exits the frigid Arctic Enema. (Hayne Palmour IV / UT San Diego)
Roy Wallack, from Irvine, does pushups as he and teammates try to warm up after going through the Arctic Enema. (Hayne Palmour IV / UT San Diego)
A participant swings out over water in an attempt to ring a small bell. (Hayne Palmour IV / UT San Diego)
Jeff Horton, from Salt Lake City, swings out over water in an attempt to ring a bell. (Hayne Palmour IV / UT San Diego)
Marine Lance Cpl. Jordan Waggoner dives into water after trying to ring a suspended bell. (Hayne Palmour IV / UT San Diego)
Jeff Horton and Raquel Baldwin, who are from Salt Lake City, hug as they watch testers go through theCry Baby obstacle. (Hayne Palmour IV / UT San Diego)
Participants slide down the Electric Slide, a water slide with hanging electrified wires. (Hayne Palmour IV / UT San Diego)
A pair of participants hit the pool of water at the end of the Electric Slide, a water slide with hanging electrified wires. (Hayne Palmour IV / UT San Diego)