[13][1] Waugh's first major success came at the age of 15 at the Penza U23 Youth and European Championships Women Relay alongside Olivia Mathias and Sophie Alden.

Waugh has competed in every edition of the London Arena Games since 2021, and secured her first victory in the Championships format in Toulouse in 2023, resulting in her leading the series after a 5th place in Canary Warf the previous week.

[2][27] In October 2023, Waugh came 2nd in the final event of the season in NEOM, Saudi Arabia, to claim the overall title ahead of Jeanne Lehair of Luxembourg.

[28] Waugh splits her time between Monte Gordo, Portugal, and Font Romeu, near Odeillo in France with her partner, the British triathlete Max Stapley.

[13][29] She is sponsored by Specialized[30] having previously ridden Swift and Canyon Bicycles, as well as Orca wetsuits, nutritional product BOA Blast, and Fusion Sportswear.