Cyril White from Chelsea stands in the dark holding the American Flag during GORUCK Challenge Class 771 on Saturday, September 14, 2014 in Ann Arbor.

Cyril White from Chelsea stands in the dark holding the American Flag during GORUCK Challenge Class 771 on Saturday, September 14, 2014 in Ann Arbor.

 Cadre Tyler, a U.S. Army Special Forces member, speaks to the team, giving them an objective and time hack during the GORUCK Challenge on Saturday, September 14, 2013 in Ann Arbor.

Cadre Tyler, a U.S. Army Special Forces member, speaks to the team, giving them an objective and time hack during the GORUCK Challenge on Saturday, September 14, 2013 in Ann Arbor.

 GORUCK Challenge Class 771 moves through the night to their next objective on Saturday, September 14, 2014 in Ann Arbor.

GORUCK Challenge Class 771 moves through the night to their next objective on Saturday, September 14, 2014 in Ann Arbor.

 Team members low-crawl across a volleyball pit after being submerged in a pond during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

Team members low-crawl across a volleyball pit after being submerged in a pond during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

 GORUCK Challenge Class 771 does flutter kicks in the Huron River during their Challenge on Saturday, September 14, 2014 in Ann Arbor.

GORUCK Challenge Class 771 does flutter kicks in the Huron River during their Challenge on Saturday, September 14, 2014 in Ann Arbor.

 Katherine Berishaj from Utica, drags Lisa Cichowlas from Troy through the grass for an evolution during the GORUCK Challenge, Class 771 on Saturday, September 14, 2014 in Ann Arbor.

Katherine Berishaj from Utica, drags Lisa Cichowlas from Troy through the grass for an evolution during the GORUCK Challenge, Class 771 on Saturday, September 14, 2014 in Ann Arbor.

 Derek Johnson from Southgate grimaces in pain as he shoulders a massive telephone pole with the rest of his team during the GORUCK Tough Challenge on the morning of Saturday, Apr. 16, 2016 near the Russell Industrial Center in Detroit. Johnson, along with nearly 50 other participants, completed the twelve hour, overnight endurance event to simply earn a patch and camaraderie. 

Derek Johnson from Southgate grimaces in pain as he shoulders a massive telephone pole with the rest of his team during the GORUCK Tough Challenge on the morning of Saturday, Apr. 16, 2016 near the Russell Industrial Center in Detroit. Johnson, along with nearly 50 other participants, completed the twelve hour, overnight endurance event to simply earn a patch and camaraderie. 

 Heather Lenfesty, left, from Ferndale, assists Chris Arace, from Lake Orion, off of the ground during GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ.

Heather Lenfesty, left, from Ferndale, assists Chris Arace, from Lake Orion, off of the ground during GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ.

 Team members move up Camelback Mountain during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

Team members move up Camelback Mountain during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

 Team members rest for a moment during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

Team members rest for a moment during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

 Heather Lenfesty from Ferndale, looks to the sky as she exercises alongside her teammates during the GORUCK HCLS, an approximately 44-hour endurance challenge, on Saturday, Nov. 8, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

Heather Lenfesty from Ferndale, looks to the sky as she exercises alongside her teammates during the GORUCK HCLS, an approximately 44-hour endurance challenge, on Saturday, Nov. 8, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

 Cadre Derek Zahler looks down the mountain as the team pauses for a photo on a peak overlooking Arizona State's Sun Devil Stadium during the GORUCK HCLS, an approximately 44-hour endurance event, on Saturday, Nov. 8, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

Cadre Derek Zahler looks down the mountain as the team pauses for a photo on a peak overlooking Arizona State's Sun Devil Stadium during the GORUCK HCLS, an approximately 44-hour endurance event, on Saturday, Nov. 8, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

 Cyril White from Chelsea stands in the dark holding the American Flag during GORUCK Challenge Class 771 on Saturday, September 14, 2014 in Ann Arbor.
 Cadre Tyler, a U.S. Army Special Forces member, speaks to the team, giving them an objective and time hack during the GORUCK Challenge on Saturday, September 14, 2013 in Ann Arbor.
 GORUCK Challenge Class 771 moves through the night to their next objective on Saturday, September 14, 2014 in Ann Arbor.
 Team members low-crawl across a volleyball pit after being submerged in a pond during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.
 GORUCK Challenge Class 771 does flutter kicks in the Huron River during their Challenge on Saturday, September 14, 2014 in Ann Arbor.
 Katherine Berishaj from Utica, drags Lisa Cichowlas from Troy through the grass for an evolution during the GORUCK Challenge, Class 771 on Saturday, September 14, 2014 in Ann Arbor.
 Derek Johnson from Southgate grimaces in pain as he shoulders a massive telephone pole with the rest of his team during the GORUCK Tough Challenge on the morning of Saturday, Apr. 16, 2016 near the Russell Industrial Center in Detroit. Johnson, along with nearly 50 other participants, completed the twelve hour, overnight endurance event to simply earn a patch and camaraderie. 
 Heather Lenfesty, left, from Ferndale, assists Chris Arace, from Lake Orion, off of the ground during GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ.
 Team members move up Camelback Mountain during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.
 Team members rest for a moment during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.
 Heather Lenfesty from Ferndale, looks to the sky as she exercises alongside her teammates during the GORUCK HCLS, an approximately 44-hour endurance challenge, on Saturday, Nov. 8, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.
 Cadre Derek Zahler looks down the mountain as the team pauses for a photo on a peak overlooking Arizona State's Sun Devil Stadium during the GORUCK HCLS, an approximately 44-hour endurance event, on Saturday, Nov. 8, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

Cyril White from Chelsea stands in the dark holding the American Flag during GORUCK Challenge Class 771 on Saturday, September 14, 2014 in Ann Arbor.

Cadre Tyler, a U.S. Army Special Forces member, speaks to the team, giving them an objective and time hack during the GORUCK Challenge on Saturday, September 14, 2013 in Ann Arbor.

GORUCK Challenge Class 771 moves through the night to their next objective on Saturday, September 14, 2014 in Ann Arbor.

Team members low-crawl across a volleyball pit after being submerged in a pond during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

GORUCK Challenge Class 771 does flutter kicks in the Huron River during their Challenge on Saturday, September 14, 2014 in Ann Arbor.

Katherine Berishaj from Utica, drags Lisa Cichowlas from Troy through the grass for an evolution during the GORUCK Challenge, Class 771 on Saturday, September 14, 2014 in Ann Arbor.

Derek Johnson from Southgate grimaces in pain as he shoulders a massive telephone pole with the rest of his team during the GORUCK Tough Challenge on the morning of Saturday, Apr. 16, 2016 near the Russell Industrial Center in Detroit. Johnson, along with nearly 50 other participants, completed the twelve hour, overnight endurance event to simply earn a patch and camaraderie. 

Heather Lenfesty, left, from Ferndale, assists Chris Arace, from Lake Orion, off of the ground during GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ.

Team members move up Camelback Mountain during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

Team members rest for a moment during the GORUCK HCLS, an approximately 44-hour endurance event, on Friday, Nov. 7, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

Heather Lenfesty from Ferndale, looks to the sky as she exercises alongside her teammates during the GORUCK HCLS, an approximately 44-hour endurance challenge, on Saturday, Nov. 8, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

Cadre Derek Zahler looks down the mountain as the team pauses for a photo on a peak overlooking Arizona State's Sun Devil Stadium during the GORUCK HCLS, an approximately 44-hour endurance event, on Saturday, Nov. 8, 2014 in Phoenix, AZ. The HCLS is a multi-day endurance event consisting of a 24-hour event, a 12-hour event, a 6-hour event and 2-hour event, all but the last strung together consecutively.

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