Isla and Sarah Calvert were in action in Manchester on 12 June, travelling with a Scottish Athletics contingent to compete in the BMC Trafford Grand Prix.
Competing in the 800m, Isla ran 2:06.99 to take almost 5 seconds off her previous best and set new U17 and Overall club records.
Isla was also very close to the Scottish National U17 record which currently stands at 2:06.82.