In 2016, Marion competed in 11 LET tournaments, Marion had her best week of the season in Abu Dhabi where she finished in T26 position.
In 2015, Marion played in 15 LET tournaments and secured her best finish at the Mission Hills World Ladies Championship (T14). She finished the season in 48th position on the Order of Merit, winning €35,176.05.
In 2014, Marion played in 19 tournaments, made 14 cuts and her best results were 6th in ISPS Handa New Zealand Women’s Open, 8th in Sanya Ladies Open and 2nd in Xiamen Ladies Open, finishing 22nd of the Order of Merit.
In 2013, Marion played in 15 tournaments and her best result was T19th at the ISPS HANDA New Zealand Women’s Open. She fired successive career low rounds of 67 at the ISPS HANDA Ladies European Masters but closed with a 78 to end T21.
In 2012, played 6 LET events, 4 cuts made with a season-best T11 at the Deloitte Ladies Open in Holland. On the LET Access Series, played 12 events and finishing 2nd on the Order of Merit behind Pamela Pretswell, winning the Terre Blanche Ladies Open in France.
In 2011, played in 8 events with a season best T32 at the Lacoste Ladies Open de France.