In July 2017, it was announced that Doyle had been elected by her team-mates as Captain for the GB Team at the 2017 World Athletics Championships in London. At the Championships she finished 8th in the final of the 400 m hurdles but would go on to win a silver in the 4×400 m relay. In winning the silver medal, Doyle surpassed Yvonne Murray as the most decorated Scottish athlete in Olympic World, European and Commonwealth competition.