Alastair Chalmers

Birth dateMar 31, 2000

BirthplaceGuernsey, Guernsey

Height1.88 m

Weight-

Alastair Chalmers 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 400 m hurdles champion.

Key facts

400 m hurdles

48.30

#123 all-time

300 Metres Hurdles

35.35

2026 season best

48.53

Jun 3, 2026 · Paavo Nurmen Stadion, Turku (FIN)

2026 season best

Last competition

ISTAF 2026

Aug 30, 2026 · 49.14

ISTAF 2026

Age

26 years old

As of Sep 13, 2026: 400 m hurdles 48.30 (#123 all-time), 300 Metres Hurdles 35.35, 2026 season best 48.53 (Jun 3, 2026, Paavo Nurmen Stadion, Turku (FIN)) · Last competition: ISTAF 2026, Aug 30, 2026, 49.14 · 26 years old

Personal bests

11.53

46.84

48.30

3:05.64

3:05.49

6.88

46.84

35.35

1:18.21

1:18.21

8.11

51.22

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	400mH	48.53	-	Jun 3, 2026	↑	Paavo Nurmi Games
2025	60m	6.88	-	Jan 26, 2025	-	Cardiff Met Non Thomas Speed Grand Prix
2025	400m-short-track	46.84	-	Feb 22, 2025	↑	UK Indoor Championships, Arena Birmingham, Birmingham (i)
2025	400m	46.84	-	Feb 22, 2025	↑	UK Indoor Championships, Arena Birmingham, Birmingham (i)
2025	400mH	48.30	-	Jun 8, 2025	↑	60. Internationales Pfingstsportfest Rehlingen, Bungertstadion, Rehlingen
2025	600m-short-track	1:18.21	-	Jan 12, 2025	-	Cardiff Met Non Thomas Endurance Grand Prix
2025	600m	1:18.21	-	Jan 12, 2025	-	Cardiff Met Non Thomas Endurance Grand Prix
2025	4x400Metre	3:05.49	-	Mar 9, 2025	-	European Athletics Indoor Championships
2024	400mH	48.54	-	Jun 30, 2024	↑	UK Championships
2023	400mH	49.49	-	Jul 9, 2023	↑	UK Championships, Manchester Regional Arena, Manchester
2023	4x400m	3:11.95	-	Jul 14, 2023	↓	Natwest International Island Games 2023
2022	400mH	48.88	-	May 28, 2022	↑	IFAM Oordegem, Putbosstadion, Oordegem
2021	400mH	49.55	-	Aug 14, 2021	↑	Résisprint, Stade de La Charrière, La Chaux-de-Fonds
2021	4x400m	3:09.28	-	Jul 11, 2021	↓	European Athletics U23 Championships, Kadrioru staadion, Tallinn
2020	300MetresH	35.35	-	Jul 12, 2020	↑	Osmond Priaulx Memorial Playing Fields Track, St. Peter Port (GBR)
2020	400mH	49.66	-	Sep 5, 2020	↑	British Championships, Sportcity Regional Arena, Manchester
2019	400m	48.18	-	Feb 9, 2019	↑	UK Indoor Championships, Birmingham (i)
2019	400m-short-track	48.18	-	Feb 9, 2019	↑	UK Indoor Championships, Birmingham (i)
2019	400mH	50.07	-	Jun 15, 2019	↑	AtletiCAGenève
2018	400m-short-track	48.70	-	Feb 25, 2018	↑	Sheffield (GBR) (i)
2018	400m	48.70	-	Feb 25, 2018	↑	Sheffield (GBR) (i)
2018	400mH	50.11	-	Jul 13, 2018	↑	IAAF World U20 Championships, Ratinan Stadion, Tampere
2018	4x400m	3:05.64	-	Jul 15, 2018	↓	IAAF World U20 Championships, Ratinan Stadion, Tampere
2017	400mhurdle	51.22	-	Jul 23, 2017	↑	Nassau (BAH)
2017	400mH	52.06	-	Jun 18, 2017	↑	Bedford (GBR)
2016	60MetresHu	8.11	-	Feb 14, 2016	-	Sheffield (GBR) (i)
2016	400m	49.59	-	May 15, 2016	↑	Portsmouth (GBR)
2016	400mhurdle	52.86	-	May 14, 2016	↑	Portsmouth (GBR)
2016	300MetresH	53.62	-	Apr 23, 2016	↑	Loughborough (GBR)
2015	100m	11.53	+1.3	Jul 1, 2015	-	Jersey (GBR)
2015	400mhurdle	53.92	-	Aug 30, 2015	↑	Bedford (GBR)

Discipline	Result	Wind	Date	Competitions
400mH	49.14	-	Aug 30	ISTAF 2026
400mH	48.65	-	Aug 20	Athletissima Lausanne
400mH	48.81	-	Jul 18	Novuna London Athletics Meet
400mH	49.05	-	Jun 21	Novuna UK Athletics Championships
400mH	50.22	-	Jun 20	Novuna UK Athletics Championships
400mH	49.05	-	Jun 20	Novuna UK Athletics Championships
400mH	48.53	-	Jun 3	Paavo Nurmi Games
400mH	48.71	-	May 29	8th Irena Szewińska Memorial
400mH	48.64	-	May 20	15th Savona International Meeting

Discipline	Result	Wind	Date	Competitions
400mH	49.49	-	Sep 17	World Athletics Championships, Tokyo 2025, National Stadium, Tokyo
400mH	49.49	-	Sep 15	World Athletics Championships, Tokyo 2025, National Stadium, Tokyo
400mH	48.86	-	Sep 15	World Athletics Championships, Tokyo 2025, National Stadium, Tokyo
400mH	48.88	-	Aug 28	Weltklasse Zürich, Letzigrund, Zürich - Diamond Discipline
400mH	49.92	-	Aug 20	Athletissima Lausanne, Stade Olympique de la Pontaise, Lausanne - Diamond Discipline
400mH	49.20	-	Aug 3	UK Championships, Alexander Stadium, Birmingham
400mH	50.68	-	Aug 3	UK Championships, Alexander Stadium, Birmingham
400mH	50.68	-	Aug 2	UK Championships, Alexander Stadium, Birmingham
400mH	48.64	-	Jun 28	European Athletics Team Championships First Division
400mH	48.57	-	Jun 20	Meeting de Paris, Stade Charléty, Paris - Diamond Discipline
400mH	48.63	-	Jun 15	BAUHAUS-Galan, Olympiastadion, Stockholm - Diamond Discipline
400mH	48.30	-	Jun 8	60. Internationales Pfingstsportfest Rehlingen, Bungertstadion, Rehlingen
400mH	48.61	-	Jun 1	Goldenes Oval 2025, Heinz-Steyer-Stadion, Dresden
400mH	49.13	-	May 18	Seiko Golden Grand Prix 2025 Tokyo, National Stadium, Tokyo
4x400Metre	3:05.49	-	Mar 9	European Athletics Indoor Championships
4x400Metre	3:16.49	-	Mar 6	European Athletics Indoor Championships
400m-short-track	47.14	-	Feb 23	UK Indoor Championships, Arena Birmingham, Birmingham (i)
400m-short-track	47.14	-	Feb 22	UK Indoor Championships, Arena Birmingham, Birmingham (i)
400m-short-track	46.84	-	Feb 22	UK Indoor Championships, Arena Birmingham, Birmingham (i)
400m-short-track	47.89	-	Feb 22	UK Indoor Championships, Arena Birmingham, Birmingham (i)
60m	6.88	-	Jan 26	Cardiff Met Non Thomas Speed Grand Prix
600m-short-track	1:18.21	-	Jan 12	Cardiff Met Non Thomas Endurance Grand Prix

Discipline	Result	Wind	Date	Competitions
400mH	56.52	-	Aug 10	The XXXIII Olympic Games, Stade de France, Paris
400mH	48.98	-	Aug 10	The XXXIII Olympic Games, Stade de France, Paris
400mH	56.52	-	Aug 7	The XXXIII Olympic Games, Stade de France, Paris
400mH	48.98	-	Aug 5	The XXXIII Olympic Games, Stade de France, Paris
400mH	49.52	-	Jul 20	London Athletics Meet, Olympic Stadium, London - Diamond Discipline
400mH	48.54	-	Jun 30	UK Championships
400mH	50.51	-	Jun 29	UK Championships
400mH	48.54	-	Jun 29	UK Championships
400mH	48.98	-	Jun 22	Atleticageneve - EAP, Centre sportif Bout-du-Monde, Genève
400mH	51.22	-	Jun 18	Paavo Nurmi Games, Paavo Nurmen Stadion, Turku
400mH	48.76	-	Jun 10	European Athletics Championships, Stadio Olimpico, Roma
400mH	49.71	-	Jun 9	European Athletics Championships, Stadio Olimpico, Roma
400mH	49.71	-	Jun 8	European Athletics Championships, Stadio Olimpico, Roma
400mH	48.76	-	Jun 8	European Athletics Championships, Stadio Olimpico, Roma
400mH	49.55	-	May 26	IFAM Outdoor, Boudewijnstadion, Bruxelles
400mH	49.10	-	May 15	13th Savona International Meeting, Centro Sportivo Fontanassa, Savona
400mH	49.76	-	Apr 12	Tom Jones Memorial, Percy Beard Track, Gainesville, FL - Invitational Events
400mH	49.54	-	Mar 30	Pepsi Florida Relays
400mH	49.54	-	Mar 29	Pepsi Florida Relays

FAQ

Frequently asked questions

What is Alastair Chalmers's 400 m hurdles personal best?

Alastair Chalmers's 400 m hurdles personal best is 48.30, set on Jun 8, 2025 in Bungertstadion, Rehlingen (GER), #123 on the all-time list.

Which events does Alastair Chalmers compete in?

Alastair Chalmers competes in the 400 m hurdles and 300 Metres Hurdles.

How did Alastair Chalmers perform in 2026?

2026 season best: 48.53, set on Jun 3, 2026 in Paavo Nurmen Stadion, Turku (FIN). Last competition: ISTAF 2026 on Aug 30, 2026, 49.14.

Alastair Chalmers

Personal bests

Performance Charts

Season bests

2026

2025

2024

Honours

Frequently asked questions