In January 1990, representing England at the 1990 Commonwealth Games in Auckland, New Zealand, Stoute was fourth in the 200 metres final, just one one-hundredth of a second behind bronze medalist Pauline Davis.

She also finished fifth in the 400 metres final before winning two relay medals, silver in the 4 × 100 m and gold in the 4 × 400 m, along with Angela Piggford, Linda Keough and Sally Gunnell.

[3][4][5] At the 1990 European Championships in Split she won a bronze medal in the 4 × 400 m relay, along with Pat Beckford, Keough and Gunnell.

The peak of Stoute's career came in 1992, at the Barcelona Olympics, where she ran her lifetime best in the 200 metres of 22.73 secs[6] to reach the semi-finals, before going on to earn a bronze medal in the 4 × 400 m relay along with Phylis Smith, Sandra Douglas and Sally Gunnell.

After two years struggling with injuries, she finished fifth in the 200 metres at the 1996 British Olympic trials in Birmingham, failing to earn selection.