Watch one runner's selfless act of kindness at the Boston Marathon

This runner was ready to ace her final race. But then she saw a rival who needed help.

Watch: Little boy's feet barely touch the ground as he races to see Grandma at the airport

"It's so beautiful!" Boy tears up at his first World Cup

Watch UPS Driver beat the heat by joining Slip 'N Slide fun

Follow Kind Alert for World Cup moments beyond the match