Federation · GBR

Great Britain & NI national best marks

Best marks by Great Britain & NI athletes in each event, compiled from the all-time lists we import. Derived national bests — not official national records (see note below).

51

Stored marks

17

Distinct marks shown

Women's 100mH

Derived 14 Sep 2026

Great Britain & NI national best marks, women 100 Metres Hurdles
# Athlete Mark Wind Date Venue Age
1 Cynthia Sember 12.50 +0.9 24 Jul 2022 — —
2 Tiffany Porter 12.51 +0.7 14 Sep 2014 — —
3 Cynthia Sember 12.53 +2.0 9 May 2021 — —
4 Jessica Ennis 12.54 +1.3 3 Aug 2012 — 26
5 Tiffany Porter 12.55 -0.6 17 Aug 2013 — —
6 Tiffany Porter 12.56 +0.7 3 Sep 2011 — —
6= Tiffany Porter 12.56 +1.8 18 Apr 2015 — —
6= Cynthia Sember 12.56 +0.8 8 Jun 2024 — —
9 Cynthia Sember 12.57 +1.8 24 Apr 2021 — —
9= Cynthia Sember 12.57 -0.8 13 Apr 2024 — —
11 Cynthia Sember 12.59 -0.2 7 Aug 2022 — —
11= Cynthia Sember 12.59 +0.7 27 Apr 2024 — —
13 Tiffany Porter 12.60 +0.9 22 Jul 2011 — —
14 Tiffany Porter 12.62 -0.4 28 Aug 2015 — —
14= Tiffany Porter 12.62 +1.7 17 Apr 2021 — —
14= Cynthia Sember 12.62 +1.7 17 Apr 2021 — —
14= Cynthia Sember 12.62 +0.1 21 Aug 2022 — —
14= Cynthia Sember 12.62 +0.7 19 Jul 2024 — —
19 Tiffany Porter 12.63 +1.1 3 Sep 2011 — —
19= Tiffany Porter 12.63 -0.6 17 Aug 2013 — —
19= Tiffany Porter 12.63 -0.1 12 Aug 2014 — —
19= Cynthia Sember 12.63 0.0 17 Aug 2016 — —
19= Cynthia Sember 12.63 +0.8 16 Apr 2022 — —
24 Tiffany Porter 12.64 0.0 31 Aug 2014 — —
24= Cynthia Sember 12.64 +0.1 8 Jun 2024 — —
26 Tiffany Porter 12.65 +1.5 5 May 2012 — —
26= Tiffany Porter 12.65 +1.6 25 May 2012 — —
26= Tiffany Porter 12.65 +1.2 4 Jul 2013 — —
26= Tiffany Porter 12.65 +1.7 17 May 2014 — —
26= Tiffany Porter 12.65 +0.9 15 May 2015 — —
26= Tiffany Porter 12.65 +1.5 7 Jun 2015 — —
26= Cynthia Sember 12.65 +0.9 9 May 2021 — —
26= Cynthia Sember 12.65 +1.8 13 Apr 2024 — —
26= Marcia Sey 12.65 +1.5 20 Feb 2026 — —
35 Tiffany Porter 12.66 +1.7 9 Jul 2015 — —
35= Tiffany Porter 12.66 -0.3 17 Jul 2015 — —
35= Cynthia Sember 12.66 +2.0 16 Apr 2016 — —
35= Cynthia Sember 12.66 +0.2 27 Aug 2016 — —
35= Cynthia Sember 12.66 +0.7 2 Jul 2022 — —
40 Tiffany Porter 12.67 +1.9 18 Apr 2015 — —
40= Tiffany Porter 12.67 -1.2 24 Jul 2015 — —
40= Cynthia Sember 12.67 -0.4 23 Jul 2022 — —
40= Cynthia Sember 12.67 +0.6 25 Aug 2024 — —
40= Cynthia Sember 12.67 -0.5 8 Sep 2024 — —
45 Tiffany Porter 12.68 +0.6 13 Jul 2013 — —
45= Tiffany Porter 12.68 -0.3 28 Aug 2015 — —
47 Tiffany Porter 12.69 -2.0 12 Aug 2014 — —
47= Tiffany Porter 12.69 +1.0 4 Jun 2015 — —
47= Tiffany Porter 12.69 +2.0 9 May 2021 — —
47= Cynthia Sember 12.69 +1.5 13 Jul 2021 — —
47= Cynthia Sember 12.69 -0.7 28 May 2022 — —

Every mark in scope within the compiled depth. Equal marks share a rank ("1=" style). An athlete with marks for two nations appears under each nation represented at the time (e.g. Obikwelu under Nigeria and Portugal).

About this derivation

These lists are derived from the marks in our database — including the complete legal all-time lists imported from alltime-athletics.com — grouped by the nation the athlete was representing at each mark. They are not official national records: federations ratify national records under their own eligibility rules, and some marks here may not qualify.