Landing two first place finishes across her three individual competitions, Marin had a strong showing at the ECAC Winter Championships. In the 200 butterfly, the graduate student touched in 2:03.12 for a first place finish at the meet and an NEC-best time. Showing off her verastile skill set, the Madrid, Spain native swam an NEC second-best 4:25.86 time in the 400 individual medley, good for another first place finish. The 500 freestyle saw Marin finish in third place following a 5:02.15 time. Swimming legs in three relay events, Marin was a part of Shark quartets that came second in the 400 freestyle relay, fourth in the 400 medley relay and fifth in the 800 freestyle relay.