Greta has been training at Legacy Gymnastics in Eden Prairie, MN her whole gymnastics career. She was the 2019 Level 4 MN State Vault and Floor Exercise Silver Medalist, 2021 Level 6 MN State Floor Exercise Silver Medalist and 2022 Level 7 MN State All-Around Silver Medalist and Uneven Bars Champion.

Greta moved up to level 8 for the 2023 season. She finished first on floor exercise and eighth in the all-around at the State Championships. She qualified to the Region 4 Championships, finishing second in the all-around, first on floor exercise and second on vault. As a level 9 gymnast in 2024, Greta finished second in the all-around and first on vault at the State Championships. At the Region 4 Championships, she eighth overall, second on vault and fourth on floor exercise. She qualified to the Level 9 Western Nationals. As a second-year level 9 gymnast in 2025, Greta placed fourth in the all-around at the State Championship and Region 4 Championships. She qualified to the Level 9 Western Nationals again, finishing sixth in the all-around with a 37.425, second on floor exercise and fourth on vault.

When Greta isn't busy training over 25 hours each week in the gym, she enjoys arts & crafts (painting, drawing, ceramics, etc), doing professional grade nails and being outside. She is the daughter of Lyndsey Lang-Morson and Andrew Morson and she has a sister, Ella, two brothers, Finn and Henry, a dog and two cats. Currently, Greta is an honor student at Minnetonka High School and she will graduate in 2027. When she has time, she is part of the Spanish interchange where she attends elementary schools and speak Spanish with the students.