 In March 2018, he finished 4th place in the Indoor World Championship, with a 21.37 mark, a new indoor South American record.In early September 2018, representing the Americas in the IAAF Continental Cup, Darlan won gold with a 21.89 weight-shot, defeating 2017 World Champion Tom Walsh.On September 15, 2018 became the first South American to reach the mark of 22 m. In the Brazil Trophy, he got the exact mark of 22.00, again breaking the South American record.