What do you think about when you run? For more than 3,000 charity athletes training for the 129th Boston Marathon, their mind is always on the lives they'll help impact, with the money they raise.

"Visions of Impact" is the second installment of Bank of America's Human Sponsorship, the antithesis of corporate sponsorship. Here we spotlight runners stories and the causes their close to, donating every piece of media to amplify their charitable efforts.