Inwood began her refereeing career in 1999, her first international match as a referee was between the United States and the Netherlands at the 2002 World Cup.[1] She also refereed at the 2006 and 2010 Women's Rugby World Cup.[3]
In 2007, she made history as the first woman to officiate a Six Nations women's match and the first woman to referee at Twickenham. The match was the curtain-raiser to the men's Six Nations, and was between the same nations, England and Italy.[4]
Inwood has also refereed women's sevens matches in Hong Kong and Wellington. She was selected to the International Rugby Board's first women's referee panel in 2011.[3]
