Georgia Taylor-Brown first established her elite presence by securing the World Junior Duathlon title in 2012. That same year, she earned gold at the European Junior Championships, a feat she repeated in 2013, alongside a World Junior Championship Silver medal. Her senior career debuted with significant progression in 2018 in the World Triathlon Series, where she achieved her first podium finish at ITU World Triathlon Leeds. This was followed by bronze medals at ITU World Triathlon Montreal and ITU World Triathlon Edmonton, ultimately earning her a third-place ranking in the overall 2018 World Triathlon Series.
Taylor-Brown replicated her third-place overall ranking in the 2019 World Triathlon Series, a season highlighted by a key hometown win at AJ Bell World Triathlon Leeds. She further showcased her team capabilities, contributing to British Mixed Relay teams that secured gold at the 2019 Accenture World Triathlon Mixed Relay Series Nottingham and silver at the ITU World Triathlon Mixed Relay Series Tokyo. The pinnacle of her career arrived in 2020 when she became the World Triathlon Champion by winning the Hamburg sprint triathlon race. In 2021, at the delayed Tokyo 2020 Summer Olympics, Taylor-Brown demonstrated remarkable resilience by earning a silver medal in the individual women’s triathlon despite a pre-race injury and a mid-race puncture.
Her elite career continued its momentum with a bronze medal in the mixed relay at the 2024 Paris Summer Olympics. In July 2025, she is slated to receive an honorary doctorate from Leeds Beckett University, recognizing her exceptional contributions and achievements in the sport.