Olympic comeback kids

Just call it a comeback. The recent swimming, track and gymnastics trials offered plenty of stories of athletes overcoming a setback -- ranging from injuries to drug-related suspensions to gunshot wounds -- to earn their ticket to London. -By Pauline Vu

2012 U.S. Olympic Track & Field Team Trials - Day 3

EUGENE, OR - JUNE 24: Justin Gatlin celebrates after winning the men's 100 meter final in front of Ryan Bailey on Day Three of the 2012 U.S. Olympic Track & Field Team Trials at Hayward Field on June 24, 2012 in Eugene, Oregon. (Photo by Christian Petersen/Getty Images)

2012 U.S. Olympic Track & Field Team Trials - Day 2

EUGENE, OR - JUNE 23: Lolo Jones reacts after qualifying for 2012 Olympics after coming in third in the women's 100 meter hurdles final during Day Two of the 2012 U.S. Olympic Track & Field Team Trials at Hayward Field on June 23, 2012 in Eugene, Oregon. (Photo by Christian Petersen/Getty Images)

2012 U.S. Olympic Gymnastics Team Trials - Day 2

SAN JOSE, CA - JUNE 29: McKayla Maroney competes on the beam during day 2 of the 2012 U.S. Olympic Gymnastics Team Trials at HP Pavilion on June 28, 2012 in San Jose, California. (Photo by Ronald Martinez/Getty Images)

2012 U.S. Olympic Swimming Team Trials - Day 6

OMAHA, NE - JUNE 30: Jessica Hardy reacts after she competed in the championship final of the Women's 100 m Freestyleduring Day Six of the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 30, 2012 in Omaha, Nebraska. (Photo by Al Bello/Getty Images)

Bryshon Nellum

American sprinter Bryshon Nellum (Eric Gay/Associated Press)

2012 U.S. Olympic Swimming Team Trials - Day 7

OMAHA, NE - JULY 01: Anthony Ervin reacts after he competed in the championship final of the Men's 50 m Freestyle during Day Seven of the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on July 1, 2012 in Omaha, Nebraska. (Photo by Jamie Squire/Getty Images)

2012 U.S. Olympic Gymnastics Team Trials - Day 3

SAN JOSE, CA - JUNE 30: Sam Mikulak reacts after competing on the pommel horse during day 3 of the 2012 U.S. Olympic Gymnastics Team Trials at HP Pavilion on June 30, 2012 in San Jose, California. (Photo by Ronald Martinez/Getty Images)

2012 U.S. Olympic Swimming Team Trials - Day 2

OMAHA, NE - JUNE 26: (L-R) Brendan Hansen and Eric Shanteau celebrate after they competed in the championship final heat of the Men's 100 m Breaststroke during Day Two of the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 26, 2012 in Omaha, Nebraska. (Photo by Al Bello/Getty Images)

2012 U.S. Olympic Gymnastics Team Trials - Day 1

SAN JOSE, CA - JUNE 28: Jonathan Horton competes on the pommel horse during day 1 of the 2012 U.S. Olympic Gymnastics Team Trials at HP Pavilion on June 28, 2012 in San Jose, California. (Photo by Ronald Martinez/Getty Images)

2012 U.S. Olympic Swimming Team Trials - Day 4

OMAHA, NE - JUNE 28: Dana Vollmer reacts after they competed in the championship final of the Women's 200 m Freestyle during Day Four of the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 28, 2012 in Omaha, Nebraska. (Photo by Jamie Squire/Getty Images)

2012 U.S. Olympic Swimming Team Trials - Day 4

OMAHA, NE - JUNE 28: Brendan Hansen competes in preliminary heat 13 of the Men's 200 m Breaststroke during Day Four of the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 28, 2012 in Omaha, Nebraska. (Photo by Jamie Squire/Getty Images)

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