swim for

swim for (someone or something)

To attempt to reach someone or something by swimming. The lifeguard swam for the girl, but he couldn't reach her in time. Our boat had started filling with water, so we jumped overboard and swam for shore.
See also: swim

swim for someone or something

to travel toward someone or something by swimming. I swam for George, who was farther out, holding onto a float. I am going to swim for the island.
See also: swim
References in classic literature ?
I know what I will do--I am sure it will be best--no matter what happens I will stick to the raft as long as her timbers hold together, but when the sea breaks her up I will swim for it; I do not see how I can do any better than this.
Many swim to spend the hot afternoons with friends to stay cool, while some swim for fitness.
As a family, we learned to swim for entertainment and survival.