1/11
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Nathan Worthington, 39, and Cody Buell, 33
Best friends from Dayton, Tenn. and Paint Lick, KY.
2/11
Sonja Flemming/CBS
Kellie Wells-Brinkley, 37, and LaVonne Idlette, 34
Olympic hurdlers from Richmond, VA. and Hampton, VA.
3/11
Sonja Flemming/CBS
Will Jardell, 30, and James Wallington, 31
A couple from Nederland, TX and Grand Rapids, Mich.
4/11
Sonja Flemming/CBS
Leo Brown, 31, and Alana Folson, 29
A couple from Somerville, Mass.
5/11
Sonja Flemming/CBS
Riley, 31, and Maddison McKibbin, 29
Pro volleyball players from Honolulu, HI.
6/11
Sonja Flemming/CBS
Michelle, 24, and Victoria Newland, 33
Sisters from Lafayette, LA.
7/11
Sonja Flemming/CBS
Eswar, 24, and Aparna Dhinakaran, 26
Siblings from Fremont and Berkeley, Calif.
8/11
Sonja Flemming/CBS
Kaylynn, 30, and Haley Williams, 31
Sisters from Bluffton, S.C.
9/11
Sonja Flemming/CBS
DeAngelo Williams, 36, and Gary Barnidge, 34
They are former NFL stars from Charlotte, N.C. and Middleburg, Fla.
10/11
Sonja Flemming/CBS
Jerry, 61, and Frank, 25, Eaves
A father-son duo from Louisville, KY.
11/11
Sonja Flemming/CBS
Chee Lee, 38, and Hung Nguyen, 39
They are married parents from Houston, TX.