She was born in La Tronche,[1] and was the granddaughter of Jean Pomagalski [fr], founder of the Poma ski lift manufacturing company.

[1] Pomagalski made her international debut in the 1997–98 FIS Snowboard World Cup season, where she placed 46th at an event in Tignes.

[11] In the 1998 French Championships in Alpe d'Huez, Pomagalski won gold in the snowboard cross[12] and bronze in the giant slalom.

[22] Pomagalski began her 2000–01 World Cup season in January 2001 and quickly rose through the ranks to gain second place in Morzine.

[23] At the 2001 World Championships in Madonna di Campiglio, however, she was unable to match her previous performances back in Berchtesgaden and did not gain any medals in the three disciplines in which she completed.

[24][25][26] On 24 February 2001, Pomagalski achieved her first World Cup discipline victory in the parallel giant slalom in Asahikawa, Japan.

[28] In the 2001–02 season, she started off with a fourth place showing in the parallel giant slalom at Valle Nevado in Chile.

[29] By December, she was back on the podium, winning second place in Whistler, British Columbia, Canada,[30] and then her second victory, on Mont-Sainte-Anne in Quebec.

[3] Afterwards, she earned two silver medals for the snowboarding events at Rukatunturi in Finland[34] and Tandadalen in Sälen, Sweden,[35] eventually resulting in her 4th-place ranking in that year's World Cup overall.

[48] In the 2005–06 World Cup season, Pomagalski was able to win an event again, this time a parallel slalom competition in Landgraaf, located in the Netherlands.