The third task is about to start, the couples are in the starting line the boys are kneeled down while the girls hands are around the neck the man was about to pull the flag 

*bam!* the buzz start all of the boys carried the girls and started walking fast each couple has the strategy 

Myungyoon couple is just walking the normal state to save energy because they are planning a surprise in the end.

Sunggyeon couple is increasing speed time to time they are the second the lead of 100 km lap. 

The leading couple is dongsoo they are speeding up all the time dongwoo hasn't have the sign of giving up and wants to take the first place this time.

Hoya and seohyun = SEOYA couple is the fourth behind L and Yoona has the same idea with yoona and myungsoo but they didn't talked about it. 

Suddenly woosun couple increase speed and reached the 3rd lead couple. 

The hyoyeon and sungjong = Hyosungthey speed up and having a competition with woosun couple 

Sungyeol and Yuri increase speed as well sungyeol suddenly walked so fast and added a competition to the woosun and hyosung couple 

In the middle of the third lap suddenly dongsoo couple slowed downcouple as well sunggyeon  woosun hyosung and sungyul then suddenly transformed into a walking fast machine and started walking fast yoona tightly gripped by hugging him for not to fall then hoya noticed and and synchronized speed with L they are now competing for the first place all of the other couple are shocked they are now trying to speed up as well 

In the middle of the fourth quarter L is still speeding up.

"YAH! L WHAT ARE YOU SOME KIND OF ROBOT?! LET US WIN THIS TIME!!" Hoya is still competing with him 

"Sorry but myungyoon or should I say blue couple doesn't gave up on the first place." He smirked then be speed up again leaving hoya and seohyun

"Yah!!" Hoya whined again.

In the middle of the last lap myungyoon couple are obviously the winner they are the first one who reached the finished line followed up by hoya and seohyun.

Then the third place is sungyeol and yuri 

Then for the fifth place is sunggyu and taeyeon

Then for the last place is tied up by woosun and dongsoo couple.

"Okay the critics decided that 1st place and 2nd place couple will be exempted on the fourth strength and balance test." The referee said.

The myungyoon couple sit down on the bench yoona wipped L's sweat and gave him cold compress and cold bottled water and massage him. They smiled at each other "great job L!" Yoona smiled at him and they high fived.

Seohyun did the same with hoya. "You did great oppa even tho we didn't get the 1st place you still tried hard I'm proud of you" seohyun smiled at him hoya smiled at her he couldn't speak because of his hardly catch his breath they high fived.