Collegiate (University of California)
At her first Pac-12 Championships, Neumann led off the title winning 800 free relay, and reached the ‘A’ Final of the 100 free (3rd, 48.09), 200 free (3rd, 1:43.64) and 500 free (8th, 4:40.92).
At the NCAA Championships that year, she scored in the 200 free (5th, 1:43.54) and 100 free (15th, 48.40), as well as led off Cal’s 3rd place 800 free relay.
Neumann continued to improve as a golden bear. At the Pac-12 Championships, she led off the winning 400 freestyle relay team in a NCAA record time of 3:07.41. She also swam the second leg of the Pac-12 champion 800 freestyle relay (6:50.63) and finished 3rd in the 100 free (season best 47.78) and 7th in the 500 free (4:39.34).
At the NCAA Championships, she led off the NCAA runner up 800 freestyle relay, finished 8th in the 200 freestyle (1:43.72), 14th in the 100 free (48.24), 26th in the 500 free (4:41.25), and swam on the 400 freestyle relay in the prelims. The team went on to win the NCAA title and set an NCAA record in finals.
2015 European Short Course Championships (Netanya, Isreal)
In Netanya, Neumann finished 4th in the 200 freestyle.
2016 European Long Course Championships (London, Great Britain)
At the Euro champs, Neumann won a bronze medal as part of the 800 freestyle relay.
2016 Olympic Games (Rio de Janeiro, Brazil)
Neumann qualified for the 2016 Olympic Games in the 200 freestyle and with the 800 freestyle relay. She finished 26th in the 200 free heats, and the Netherlands team finished 14th in the 800 freestyle relay heats.
2017 World Long Course Championships (Budapest, Hungary)
Neumann finished 16th in the 200 free and 7th with the 800 free relay in Budapest.