[1][2] Following her success, Firman joined the new Production S1 class of European Endurance Racing Club's championship for 2005.

[3] Firman and Ticehurst scored victory in class C of the series at the first round of the season at Silverstone.

[4][5] Firman was born in Holt, Norfolk, and educated at Gresham's School from 1990 to 1994.

Her father, Ralph Firman Sr., co-founded the Van Diemen racecar constructor.

[6] Her brother is former Jordan Formula One racing driver Ralph Firman.