Alastair Chalmers

GBR Born 31 Mar 2000 Male

Events

PB: 48.3 seconds

Season Bests & Year-on-Year Change

Performance % Change

Season Bests

Year	Season Best	Age	vs Prior Year	% Change
2026	48.53	26.2	-0.23	-0.48%
2025	48.30	25.2	+0.46	+0.94%	PB
2024	48.76	24.2	+0.12	+0.25%	PB
2022	48.88	22.2	+nan	+nan%	PB