Cillin Greene

Birth dateFeb 12, 1998

Height-

Weight-

Cillin Greene is a Ireland sprinter, born on February 12, 1998. He competes primarily in the 100m, 200m and 400m.

His personal bests include 10.65 in the 100m, 21.17 in the 200m, 45.61 in the 400m, 40.48 in the 4x100m and 3:04.42 in the 4x400m. He has earned 4 gold and 1 bronze medals in major international competitions. He is currently active on the international athletics circuit, representing Ireland.

Key facts

400 Metres Short Track

46.49

300 Metres

32.68

2026 season best

48.73

Feb 11, 2026 · National Indoor Arena, Abbotstown, Dublin (IRL) (i)

2026 season best

Last competition

Track & Field Live, National Indoor Arena, Abbotstown, Dublin (i)

Feb 11, 2026 · 48.73

Track & Field Live, National Indoor Arena, Abbotstown, Dublin (i)

Record

National record · 4x400 Metres Relay Short Track 3:08.63

National record

Age

28 years old

As of Sep 15, 2026: 400 Metres Short Track 46.49, 300 Metres 32.68, 2026 season best 48.73 (Feb 11, 2026, National Indoor Arena, Abbotstown, Dublin (IRL) (i)) · Last competition: Track & Field Live, National Indoor Arena, Abbotstown, Dublin (i), Feb 11, 2026, 48.73 · National record (4x400 Metres Relay Short Track) · 28 years old

Personal bests

10.65*

21.17

45.61

40.48

3:04.42

3:08.63

46.49

21.41

32.68

34.06

1:26.82

* Wind-assisted (> 2.0 m/s)

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	200m	22.04	-	Feb 8, 2026	↑	National Indoor League Rd 2
2026	200m-short-track	22.04	-	Feb 8, 2026	↑	National Indoor League Rd 2
2026	400m-short-track	48.73	-	Feb 11, 2026	↓	Track & Field Live, National Indoor Arena, Abbotstown, Dublin (i)
2026	400m	48.73	-	Feb 11, 2026	↓	Track & Field Live, National Indoor Arena, Abbotstown, Dublin (i)
2025	300m	32.68	-	May 25, 2025	↑	IFAM Outdoor, Boudewijnstadion, Bruxelles
2025	400m	46.12	-	Aug 9, 2025	↓	IFAM Oordegem, Putbosstadion, Oordegem - Pre-Programme
2025	400m-short-track	46.49	-	Feb 8, 2025	↓	National Indoor League Final
2025	4x400m	3:04.42	-	May 11, 2025	-	World Athletics Relays, Tianhe Sports Center, Guangzhou
2025	4x400Metre	3:12.56	-	May 10, 2025	↑	World Athletics Relays, Tianhe Sports Center, Guangzhou
2024	200m	21.41	-	Jan 27, 2024	↑	AAI Indoor Games, National Indoor Arena, Abbotstown, Dublin (i)
2024	200m-short-track	21.41	-	Jan 27, 2024	↑	AAI Indoor Games, National Indoor Arena, Abbotstown, Dublin (i)
2024	300m	33.03	-	Sep 8, 2024	↑	Stratford Speed GP4 - Newham & Essex Beagles Outdoor Series, Stratford Community Track, London
2024	400m	45.61	-	Jul 27, 2024	↓	Meeting national de courses, Stade Olympique de la Pontaise, Lausanne
2024	400m-short-track	47.10	-	Dec 18, 2024	↓	Track & Field Live
2024	4x400Metre	3:11.53	-	May 5, 2024	↑	World Athletics Relays
2023	100m	10.76	+0.4	Jul 8, 2023	↑	Guldensporenmeeting, Sportcentrum Wembley, Kortrijk
2023	200m	21.17	+0.4	Jul 8, 2023	↑	Guldensporenmeeting, Sportcentrum Wembley, Kortrijk
2023	400m	47.33	-	Aug 12, 2023	↓	Norgeslekene
2022	400m-short-track	46.64	-	Feb 27, 2022	↓	Irish Indoor Championships, National Indoor Arena, Abbotstown, Dublin (i)
2022	400m	46.64	-	Feb 27, 2022	↓	Irish Indoor Championships, National Indoor Arena, Abbotstown, Dublin (i)
2022	4x400Metre	3:08.63	-	Mar 20, 2022	↑	World Athletics Indoor Championships, Štark Arena, Beograd (i)
2021	400m	46.18	-	Jun 12, 2021	↓	ATLETICAGENEVE, Centre sportif Bout-du-Monde, Genève
2021	400m-short-track	48.06	-	Feb 21, 2021	↓	Irish Life Health Elite Athlete Indoor Micro Meet
2021	4x400Metre	3:12.88	-	Jul 30, 2021	↑	The XXXII Olympic Games
2020	4x200Metre	1:26.82	-	Feb 15, 2020	-	AIT International Arena, Athlone (IRL) (i)
2019	200m-short-track	21.47	-	Jan 27, 2019	↑	Athlone (IRL) (i)
2019	200m	21.47	-	Jan 27, 2019	↑	Athlone (IRL) (i)
2019	400m-short-track	47.19	-	Feb 17, 2019	↓	Irish Indoor Championships, Abbotstown (i)
2019	400m	47.19	-	Feb 17, 2019	↓	Irish Indoor Championships, Abbotstown (i)
2018	100m	10.65	+3.9	May 5, 2018	↑	Waterford (IRL)
2018	200m	21.62	+2.7	Jul 8, 2018	↑	Athlone (IRL)
2018	200m-short-track	22.64	-	Jan 28, 2018	↑	Athlone (IRL) (i)
2018	300m-short-track	34.06	-	Dec 12, 2018	↑	Athlone (IRL) (i)
2018	300m	34.06	-	Dec 12, 2018	↑	Athlone (IRL) (i)
2017	100m	10.70	+3.0	Jun 3, 2017	↑	Tullamore (IRL)
2017	200m	21.50	-1.1	Jul 21, 2017	↑	European U20 Championships, Stadio Zecchini, Grosseto
2017	200m-short-track	22.72	-	Jan 29, 2017	↑	Athlone (IRL) (i)
2017	4x100m	40.89	-	Jul 23, 2017	↓	European U20 Championships, Stadio Zecchini, Grosseto
2016	100m	10.89	+0.1	Jun 4, 2016	↑	Tullamore (IRL)
2016	200m	21.44	-	Jun 26, 2016	↑	Mannheim (GER)
2016	200m-short-track	21.90	-	Mar 13, 2016	↑	Athlone (IRL) (i)
2016	300m-short-track	35.16	-	Dec 17, 2016	↑	Athlone (IRL) (i)
2016	300m	35.16	-	Dec 17, 2016	↑	Athlone (IRL) (i)
2016	4x100m	40.48	-	Jul 22, 2016	↓	IAAF World U20 Championships
2015	100m	10.96	+3.4	Jul 12, 2015	↑	Tullamore (IRL)
2015	200m	21.88	+2.4	Jul 24, 2015	↑	Dublin (IRL)
2015	200m-short-track	22.63	-	Mar 28, 2015	↑	Athlone (IRL) (i)
2014	200m	22.47	-	Jun 21, 2014	↑	Dublin (IRL)

Discipline	Result	Wind	Date	Competitions
400m-short-track	48.73	-	Feb 11	Track & Field Live, National Indoor Arena, Abbotstown, Dublin (i)
200m-short-track	22.04	-	Feb 8	National Indoor League Rd 2

Discipline	Result	Wind	Date	Competitions
400m	46.19	-	Aug 27	Meeting CHP Genève, Stade de Champel, Genève
400m	46.54	-	Aug 16	Meeting voor Mon, AtletiekArena Gaston Roelants Kessel-Lo / Hal 5, Leuven
400m	46.12	-	Aug 9	IFAM Oordegem, Putbosstadion, Oordegem - Pre-Programme
400m	46.57	-	Jul 20	Les Soirées de Saint-Denis, Stade Annexe Stade de France, St-Denis
400m	46.89	-	Jun 11	Motonet GP Lahti, Stadion, Lahti
300m	32.68	-	May 25	IFAM Outdoor, Boudewijnstadion, Bruxelles
4x400m	3:04.42	-	May 11	World Athletics Relays, Tianhe Sports Center, Guangzhou
4x400Metre	3:12.56	-	May 10	World Athletics Relays, Tianhe Sports Center, Guangzhou
400m-short-track	46.49	-	Feb 8	National Indoor League Final

Discipline	Result	Wind	Date	Competitions
400m-short-track	47.10	-	Dec 18	Track & Field Live
300m	33.03	-	Sep 8	Stratford Speed GP4 - Newham & Essex Beagles Outdoor Series, Stratford Community Track, London
400m	46.08	-	Aug 28	International Wiesław Maniak Memorial, Wieslaw Maniak Municipal Athletic Stadium, Szczecin
400m	45.61	-	Jul 27	Meeting national de courses, Stade Olympique de la Pontaise, Lausanne
400m	45.90	-	Jul 20	Flanders Cup, Stedelijke Atletiekpiste, Ninove
400m	46.62	-	Jul 12	Morton Games, Morton Stadium, Santry, Dublin
400m	46.85	-	Jun 30	Irish Championships, Morton Stadium, Santry, Dublin
400m	47.47	-	Jun 30	Irish Championships, Morton Stadium, Santry, Dublin
400m	47.47	-	Jun 29	Irish Championships, Morton Stadium, Santry, Dublin
400m	47.06	-	Jun 22	Atleticageneve - EAP, Centre sportif Bout-du-Monde, Genève
400m	47.66	-	May 25	IFAM Outdoor, Boudewijnstadion, Bruxelles
400m	47.29	-	May 22	Kladno hází a Kladenské Memoriály, Mestský Stadion Sletište, Kladno
400m	47.79	-	May 18	Next Generation Athletics
400m	46.37	-	May 11	Belfast Irish Milers Meet In Association with Tripadvisor
4x400Metre	3:11.53	-	May 5	World Athletics Relays
4x400Metre	3:12.50	-	May 4	World Athletics Relays
400m-short-track	47.46	-	Feb 28	Track & Field Live
400m-short-track	48.26	-	Feb 18	Irish Indoor Championships
400m-short-track	47.79	-	Feb 18	Irish Indoor Championships
400m-short-track	47.20	-	Feb 18	Irish Indoor Championships
400m-short-track	47.79	-	Feb 17	Irish Indoor Championships
400m-short-track	48.26	-	Feb 17	Irish Indoor Championships
400m-short-track	47.58	-	Feb 7	TRACK & FIELD Live
400m-short-track	47.54	-	Feb 3	IFAM Gent Indoor, Topsporthal Vlaanderen, Gent (i)
400m-short-track	47.58	-	Jan 27	AAI Indoor Games, National Indoor Arena, Abbotstown, Dublin (i)
200m-short-track	21.41	-	Jan 27	AAI Indoor Games, National Indoor Arena, Abbotstown, Dublin (i)
400m-short-track	48.73	-	Jan 20	Sparkassen Indoor Meeting Dortmund, Helmut-Körnig-Halle, Dortmund (i)

Discipline	Result	Wind	Date	Competitions
400m	47.33	-	Aug 12	Norgeslekene
400m	47.33	-	Aug 11	Norgeslekene
400m	47.46	-	Aug 5	Folksam Grand Prix Malmö
400m	48.18	-	Jul 30	Irish Championships
400m	47.45	-	Jul 30	Irish Championships
400m	48.18	-	Jul 29	Irish Championships
400m	47.38	-	Jul 14	Morton Games, Morton Stadium, Santry, Dublin
100m	10.76	+0.4	Jul 8	Guldensporenmeeting, Sportcentrum Wembley, Kortrijk
200m	21.17	+0.4	Jul 8	Guldensporenmeeting, Sportcentrum Wembley, Kortrijk

Discipline	Result	Wind	Date	Competitions
4x400Metre	3:08.63	-	Mar 20	World Athletics Indoor Championships, Štark Arena, Beograd (i)
400m-short-track	47.41	-	Mar 7	Belgrade Indoor Meeting, Štark Arena, Beograd (i)
400m-short-track	46.64	-	Feb 27	Irish Indoor Championships, National Indoor Arena, Abbotstown, Dublin (i)

FAQ

Frequently asked questions

What is Cillin Greene's 400 Metres Short Track personal best?

Cillin Greene's 400 Metres Short Track personal best is 46.49, set on Feb 8, 2025 in AIT International Arena, Athlone (IRL) (i).

Which events does Cillin Greene compete in?

Cillin Greene competes in the 400 Metres Short Track and 300 Metres.

How did Cillin Greene perform in 2026?

2026 season best: 48.73, set on Feb 11, 2026 in National Indoor Arena, Abbotstown, Dublin (IRL) (i). Last competition: Track & Field Live, National Indoor Arena, Abbotstown, Dublin (i) on Feb 11, 2026, 48.73.

Cillin Greene

Personal bests

Performance Charts

Season bests

2026

2025

2024

2023

2022

Honours

Frequently asked questions