Fabien Leroux has been passionate about swimming and water sports since his childhood. He is about to accomplish the project of a lifetime: swimming across the Atlantic Ocean alone. He will be the first man to cross the Atlantic in twin and monofin solo and without assistance, pure swimming: without a float or any buoy. Solo swimming across the Atlantic, unassisted in less than 50 days. Departure from Cape Verde, arrival at the Island of Martinique: an adventure of 4,050 kms. 10 to 12 hours of swimming per day on average, with sequences of 4 hours of consecutive swimming. A raft 1.88m high, 4.30m long and 2.50m wide.