Alastair Chalmers

Alastair Chalmers (born 31 March 2000) is a British track and field hurdler who specialises in the 400 metres hurdles. He won Guernsey's first-ever Commonwealth Games track and field medal when he took bronze at the 2022 edition and he is a five-time British 400m hurdles champion.

Athletics career
Chalmers was part of the gold medal-winning Guernsey 4x100 metres relay team at the 2015 Island Games in Jersey. He also received a gold for the 4x400 metres relay having run in the heats but missing out on selection for the final.

He won gold in the 400 metres hurdles at the 2017 Island Games in Gotland, before repeating the feat a month later at the 2017 Commonwealth Youth Games in the Bahamas.

Chalmers came sixth in the 400 metres hurdles and won a bronze medal as part of the Great Britain 4x400 metres relay team at the 2018 IAAF World U20 Championships in Tampere, Finland.

He won his first British 400 metres hurdles title at the 2020 national championships in a time of 49.66 secs.

Chalmers reached the semi-finals of the 2022 World Athletics Championships in Eugene, Oregon, USA.

On 6 August 2022, he won the first-ever track and field medal for Guernsey in the history of the Commonwealth Games when he claimed bronze at the 22nd edition of the event in Birmingham, England.

In July 2023, Chalmers took more than half a second off the championship record to win the 400m hurdles at the Island Games held in Guernsey. He went on to win a second gold of the event in the 4x400 metres relay with the Guernsey team setting another Games record in the process.

At the 2024 European Athletics Championships in Rome, Italy, he set a new Guernsey 400 metres hurdles record but went out in the semi-finals.

Chalmers won his fifth successive British 400 metres hurdles title at the 2024 British Athletics Championships on 30 June 2024, setting a new personal best, and championship record, of 48.54 seconds to secure his place at the Paris Olympics. His place at the Games was confirmed on 5 July 2024, when Team GB announced their athletics team.

Personal life
Chalmers gained a degree in Sports Performance from the University of Bath. His brother Cameron is also an athlete who has represented Guernsey and Great Britain in international competition.