Charlotte Irving and Abby Johnson, who row at Lady Eleanor Holles school in Hampton, teamed up with Kat Cordiner.
The extraOARdinary crew in their boat, Dolly Parton, completed the challenge in 42 days, raising £100,000 for cancer research.
Kat, who is believed to be the first woman with incurable cancer to take on the Talisker Whiskey Atlantic Challenge, reflects on the row.