She ran the anchor legs for the Jamaican
4 × 100 metres relay teams that broke the world under-20 records at both the
2021 (42.94 s) and
2022 World U20 Championships (42.59 s). Tia has a twin sister,
Tina Clayton, who ran the second leg of those world record relays. Tia finished second in the 100 m at the 2024 Jamaican Athletics Championships in a time of 10.90 seconds (-0.3 m/s wind), behind
Shericka Jackson (10.84 s) and ahead of
Shelly-Ann Fraser-Pryce (10.94 s), to qualify for the Jamaican team for the
2024 Summer Olympics. She ran a new Personal Best (PB) of 10.86 s (+1.0 m/s wind) in winning her semi-final a couple of hours beforehand (beating the PB of 11.02 s (+0.7 m/s wind) she had set the day before in the heats). == National Championships Results ==